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Date: Tue, 22 Mar 2011 04:59:42 GMT
From: Alexey Samoylov <sav@ecom24.ru>
To: freebsd-gnats-submit@FreeBSD.org
Subject: ifconfig: ioctl (SIOCAIFADDR): File exists on directly connected networks
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>Number:         155772
>Category:       kern
>Synopsis:       ifconfig(8): ioctl (SIOCAIFADDR): File exists on directly connected networks
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    melifaro
>State:          patched
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 22 05:00:02 UTC 2011
>Closed-Date:    
>Last-Modified:  Fri Mar 08 20:48:59 UTC 2013
>Originator:     Alexey Samoylov
>Release:        8.2-RELEASE
>Organization:
SigmaTelecom Ltd
>Environment:
FreeBSD svm.sigma24.ru 8.2-RELEASE FreeBSD 8.2-RELEASE #2 r219081M: Wed Mar  2 10:30:04 CET 2011     root@www4:/usr/obj/usr/src_v28/sys/GENERIC  amd64

>Description:
ifconfig inet command doesn't install "directly connected" route if this
route is already in routing table with other flags. In my case I use quagga
for redistributing connected routes:

svm.sigma24.ru# show ip route 83.143.32.32/28
Routing entry for 83.143.32.32/28
  Known via "ospf", distance 110, metric 20, best
  Last update 00:26:50 ago
  * 83.143.32.9, via vlan4

svm# ifconfig vlan6 create
svm# ifconfig vlan6
vlan6: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=3<RXCSUM,TXCSUM>
        ether 00:1b:21:93:ba:85
        inet 83.143.32.43 netmask 0xfffffff0 broadcast 83.143.32.47
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        vlan: 6 parent interface: igb7
svm# route get 83.143.32.32/28
   route to: 83.143.32.32
destination: 83.143.32.32
       mask: 255.255.255.240
    gateway: br2
  interface: vlan4
      flags: <UP,GATEWAY,DONE,PROTO1>
 recvpipe  sendpipe  ssthresh  rtt,msec    mtu        weight    expire
       0         0         0         0      1500         1         0
svm# ifconfig vlan6 delete
svm# ifconfig vlan6 inet 83.143.32.43 netmask 0xfffffff0 broadcast 83.143.32.47
ifconfig: ioctl (SIOCAIFADDR): File exists

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-net 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Wed Mar 23 01:01:17 UTC 2011 
Responsible-Changed-Why:  
Not sure how to classify this one, but give it a shot anyways. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=155772 

From: Nikolay Denev <ndenev@gmail.com>
To: bug-followup@FreeBSD.org,
 sav@ecom24.ru
Cc:  
Subject: Re: kern/155772: ifconfig(8): ioctl (SIOCAIFADDR): File exists on directly connected networks
Date: Tue, 5 Apr 2011 14:46:35 +0300

 I'm not sure if this can be solved unless RADIX_MPATH is used.
 
 My workaround in simiral situations (like OSPF redistributing connected =
 routes) is like this "route del -net 10.0.0.0/24; ifconfig em0 =
 10.0.0.2/24"
 
 
 Regards,
 Nikolay=
Responsible-Changed-From-To: freebsd-net->melifaro 
Responsible-Changed-By: melifaro 
Responsible-Changed-When: Fri Mar 8 20:45:18 UTC 2013 
Responsible-Changed-Why:  
Take 

http://www.freebsd.org/cgi/query-pr.cgi?pr=155772 
State-Changed-From-To: open->patched 
State-Changed-By: melifaro 
State-Changed-When: Fri Mar 8 20:48:41 UTC 2013 
State-Changed-Why:  
Fixed in r248070. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=155772 
>Unformatted:
