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Message-Id: <200909280856.n8S8undZ071084@www.freebsd.org>
Date: Mon, 28 Sep 2009 08:56:49 GMT
From: Nikolai Saoukh <nms+bsd@otdel-1.org>
To: freebsd-gnats-submit@FreeBSD.org
Subject: DHCP server replies rejected, ARP entry lost before max_age
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         139204
>Category:       kern
>Synopsis:       [arp] DHCP server replies rejected, ARP entry lost before max_age
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-net
>State:          patched
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Sep 28 09:00:11 UTC 2009
>Closed-Date:    
>Last-Modified:  Sat Mar 12 17:39:39 EST 2011
>Originator:     Nikolai Saoukh
>Release:        8.0-RC1
>Organization:
>Environment:
FreeBSD Hell.otdel-1.org 8.0-RC1 FreeBSD 8.0-RC1 #1: Sat Sep 26 19:03:52 MSD 2009     nms@otdel-1.org:/usr/obj/usr/src/sys/HELL  i386
>Description:
Dhclient is unable to renew the lease. Inspection with tcpdump

tcpdump -i fxp0 -s 0 -vvvv -n -l host 192.168.254.254

revealed that dhcp server replies were rejected (udp port xxxx unreachable).

Tcpdump log also shows unexpected arp requests (more often the max_age).

The tcpdump log is in attachment.
>How-To-Repeat:
For interface with DHCP set in /etc/dhclient.conf

interface "fxp0" {
        send dhcp-lease-time 600;
}

just to save wait time and watch.
>Fix:
none

Patch attached with submission follows:

12:31:27.189717 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46
12:31:27.189746 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28
12:31:32.360981 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:31:32.362066 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:31:32.363174 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:31:32.364324 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:31:32.365544 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:31:32.366649 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:31:32.368011 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:31:32.369236 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:31:32.370279 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:31:32.371234 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:31:52.372127 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:31:52.373479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:31:52.375042 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:31:52.376780 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:31:52.378543 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:31:52.380356 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:31:52.382256 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:31:52.384259 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:31:52.385643 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:31:52.387353 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:32:12.382450 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:32:12.383530 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:12.384630 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:32:12.385789 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:32:12.386994 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:12.388095 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:32:12.389266 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:32:12.390472 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:12.391497 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:32:12.392479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:32:30.101619 IP (tos 0x0, ttl 64, id 53471, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.68: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 274, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 275
	    RB Option 59, length 4: 500
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:32:30.101666 IP (tos 0x0, ttl 64, id 5721, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 68 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53471, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.68:  [|bootp]
12:32:32.393275 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:32:32.394359 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:32.395458 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:32:32.396589 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:32:32.398103 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:32.399197 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:32:32.400321 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:32:32.401639 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:32.403322 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:32:32.404291 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:32:35.092185 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46
12:32:35.092211 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28
12:32:51.403469 IP (tos 0xc0, ttl 1, id 24463, offset 0, flags [none], proto IGMP (2), length 28)
    192.168.254.254 > 224.0.0.1: igmp query v2
12:32:52.404186 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:32:52.405275 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:52.406380 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:32:52.407489 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:32:52.408646 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:52.409744 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:32:52.410735 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:32:52.411728 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:32:52.413034 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:32:52.414330 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:33:00.373480 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA))
    192.168.254.254 > 224.0.0.2: igmp v2 report 224.0.0.2
12:33:12.414835 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:33:12.415915 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:12.417013 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:33:12.418167 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:33:12.419393 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:12.420494 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:33:12.421663 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:33:12.422885 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:12.423949 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:33:12.424914 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:33:32.425406 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:33:32.426482 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:32.427581 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:33:32.428737 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:33:32.429951 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:32.431052 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:33:32.432221 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:33:32.433428 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:32.434453 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:33:32.435431 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:33:52.436143 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:33:52.437220 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:52.438320 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:33:52.439480 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:33:52.440689 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:52.441782 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:33:52.442948 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:33:52.444167 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:33:52.445184 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:33:52.446220 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:34:12.446879 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:34:12.447957 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:12.449055 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:34:12.450206 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:34:12.451423 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:12.452521 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:34:12.453691 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:34:12.454919 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:12.455949 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:34:12.456936 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:34:32.457577 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:34:32.458652 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:32.459753 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:34:32.460910 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:34:32.462120 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:32.463218 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:34:32.464385 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:34:32.465614 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:32.466630 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:34:32.467681 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:34:52.468397 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:34:52.469471 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:52.470576 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:34:52.471721 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:34:52.472932 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:52.474040 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:34:52.475206 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:34:52.476436 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:34:52.477466 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:34:52.478479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:34:56.479014 IP (tos 0xc0, ttl 1, id 24464, offset 0, flags [none], proto IGMP (2), length 28)
    192.168.254.254 > 224.0.0.1: igmp query v2
12:34:57.867786 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA))
    192.168.254.254 > 239.255.255.250: igmp v2 report 239.255.255.250
12:34:59.857859 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA))
    192.168.254.254 > 224.0.0.2: igmp v2 report 224.0.0.2
12:35:12.479087 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:35:12.480164 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:12.481262 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:35:12.482419 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:35:12.483629 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:12.484728 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:35:12.485903 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:35:12.487131 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:12.488161 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:35:12.489660 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:35:32.489900 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:35:32.490986 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:32.493439 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:35:32.494644 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:35:32.495804 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:32.497015 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:35:32.498166 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:35:32.499428 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:32.500440 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:35:32.501635 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:35:52.500590 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:35:52.501699 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:52.504126 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:35:52.505319 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:35:52.506479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:52.507688 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:35:52.508830 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:35:52.510110 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:35:52.511126 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:35:52.512319 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:36:12.511285 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:36:12.512754 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:12.513867 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:36:12.515097 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:36:12.516254 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:12.517341 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:36:12.518635 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:36:12.519791 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:12.520845 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:36:12.521843 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:36:32.522018 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:36:32.523093 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:32.524196 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:36:32.525354 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:36:32.526565 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:32.527666 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:36:32.528839 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:36:32.530096 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:32.531756 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:36:32.532725 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:36:52.532790 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:36:52.533864 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:52.535543 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:36:52.536854 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:36:52.538018 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:52.539110 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:36:52.540357 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:36:52.541587 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:36:52.542749 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:36:52.544051 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:37:01.542779 IP (tos 0xc0, ttl 1, id 24465, offset 0, flags [none], proto IGMP (2), length 28)
    192.168.254.254 > 224.0.0.1: igmp query v2
12:37:03.152448 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA))
    192.168.254.254 > 224.0.0.2: igmp v2 report 224.0.0.2
12:37:03.922519 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA))
    192.168.254.254 > 239.255.255.250: igmp v2 report 239.255.255.250
12:37:05.135842 IP (tos 0x0, ttl 64, id 5766, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.36294 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:37:05.142032 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46
12:37:05.142052 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28
12:37:05.142519 IP (tos 0x0, ttl 64, id 53472, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.36294: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 281
	    RB Option 59, length 4: 506
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:37:05.142547 IP (tos 0x0, ttl 64, id 5767, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 36294 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53472, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.36294:  [|bootp]
12:37:09.143794 IP (tos 0x0, ttl 64, id 5771, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.65502 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 4, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:37:09.149353 IP (tos 0x0, ttl 64, id 53473, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.65502: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 4, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 280
	    RB Option 59, length 4: 505
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:37:09.149383 IP (tos 0x0, ttl 64, id 5772, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 65502 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53473, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.65502:  [|bootp]
12:37:12.543487 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:37:12.544521 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:12.545621 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:37:12.546773 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:37:12.547989 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:12.549088 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:37:12.550259 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:37:12.551476 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:12.552503 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:37:12.553507 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:37:20.151729 IP (tos 0x0, ttl 64, id 5780, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.46821 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 15, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:37:20.159215 IP (tos 0x0, ttl 64, id 53474, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.46821: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 15, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 278
	    RB Option 59, length 4: 503
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:37:20.159249 IP (tos 0x0, ttl 64, id 5781, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 46821 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53474, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.46821:  [|bootp]
12:37:27.159680 IP (tos 0x0, ttl 64, id 5785, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.48276 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 22, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:37:27.165351 IP (tos 0x0, ttl 64, id 53475, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.48276: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 22, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 263
	    RB Option 59, length 4: 488
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:37:27.165385 IP (tos 0x0, ttl 64, id 5786, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 48276 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53475, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.48276:  [|bootp]
12:37:32.554198 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:37:32.555282 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:32.556379 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:37:32.557538 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:37:32.558753 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:32.559847 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:37:32.561015 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:37:32.562240 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:32.563256 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:37:32.564236 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:37:49.167544 IP (tos 0x0, ttl 64, id 5792, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.53846 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 44, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:37:49.173118 IP (tos 0x0, ttl 64, id 53476, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.53846: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 44, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 279
	    RB Option 59, length 4: 504
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:37:49.173150 IP (tos 0x0, ttl 64, id 5793, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 53846 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53476, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.53846:  [|bootp]
12:37:52.564979 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:37:52.566062 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:52.567158 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:37:52.568315 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:37:52.569527 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:52.570629 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:37:52.571801 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:37:52.573035 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:37:52.574062 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:37:52.575075 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:37:56.175501 IP (tos 0x0, ttl 64, id 5801, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.31133 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 51, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:37:56.181071 IP (tos 0x0, ttl 64, id 53477, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.31133: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 51, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 274
	    RB Option 59, length 4: 499
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:37:56.181103 IP (tos 0x0, ttl 64, id 5802, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 31133 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53477, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.31133:  [|bootp]
12:38:01.174155 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46
12:38:01.174183 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28
12:38:12.575750 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307
12:38:12.576996 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:38:12.578095 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379
12:38:12.580149 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371
12:38:12.582264 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:38:12.583407 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355
12:38:12.584654 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387
12:38:12.585836 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316
12:38:12.586811 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375
12:38:12.588110 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397)
    192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369
12:38:17.183378 IP (tos 0x0, ttl 64, id 5809, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.213.51209 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 72, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: Request
	    Lease-Time Option 51, length 4: 600
	    Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37
	    Hostname Option 12, length 4: "Hell"
	    Parameter-Request Option 55, length 8: 
	      Subnet-Mask, BR, Time-Zone, Classless-Static-Route
	      Default-Gateway, Domain-Name, Domain-Name-Server, Hostname
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 25
12:38:17.189244 IP (tos 0x0, ttl 64, id 53478, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.51209: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 72, Flags [none] (0x0000)
	  Client-IP 192.168.254.213
	  Your-IP 192.168.254.213
	  Server-IP 192.168.254.254
	  Client-Ethernet-Address 00:0c:f1:6b:45:37
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    Server-ID Option 54, length 4: 192.168.254.254
	    Lease-Time Option 51, length 4: 600
	    RN Option 58, length 4: 273
	    RB Option 59, length 4: 498
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    BR Option 28, length 4: 192.168.254.255
	    Default-Gateway Option 3, length 4: 192.168.254.254
	    Domain-Name-Server Option 6, length 4: 192.168.254.254
	    Hostname Option 12, length 4: "Hell"
	    END Option 255, length 0
	    PAD Option 0, length 0, occurs 2
12:38:17.189277 IP (tos 0x0, ttl 64, id 5810, offset 0, flags [none], proto ICMP (1), length 56)
    192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 51209 unreachable, length 36
	IP (tos 0x0, ttl 64, id 53478, offset 0, flags [none], proto UDP (17), length 328)
    192.168.254.254.67 > 192.168.254.213.51209:  [|bootp]



>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-net 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Wed Sep 30 16:11:04 UTC 2009 
Responsible-Changed-Why:  
I'm going to make a guess that this is ARP-related, based on a comment 
in the PR. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=139204 

From: Nikolai Saoukh <nikolai.saoukh@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/139204: [arp] DHCP server replies rejected, ARP entry lost 
	before max_age
Date: Sat, 10 Oct 2009 13:25:46 +0400

 > I'm going to make a guess that this is ARP-related, based on a comment
 > in the PR.
 
 After some inspection I think the problem is in /sbin/dhclient.
 
 Patch in PR bin/96018 introduced unicast REQUESTs. That requests are
 sent from random port (not from bootpc (68)), thus defeating bpf
 filter in dhclient for replies. Moreover when there are two or more
 interfaces on the same network, that requests can be transmitted from
 another interface (with different ethernet address). IP packet with
 the same IP number (but changed ethernet address) confuse ARP
 machinery.
 
 See also PR ports/139405.
 
 IMHO, category, severity, ... of this PR should be edited.

From: Nikolai Saoukh <nms+bsd@otdel-1.org>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/139204: DHCP server replies rejected, ARP entry lost before 
	max_age
Date: Thu, 22 Oct 2009 16:57:52 +0400

 Looks like recent changes in CURRENT fixed the problems. This PR can
 be closed after MFCs.
State-Changed-From-To: open->patched 
State-Changed-By: eadler 
State-Changed-When: Sat Mar 12 17:39:38 EST 2011 
State-Changed-Why:  
committed in head 

http://www.freebsd.org/cgi/query-pr.cgi?pr=139204 
>Unformatted:
