Subj : Very slow tunnel
To   : All
From : Victor Sudakov
Date : Mon Aug 05 2019 12:58:38

Dear All,

As you probably know I'm using an IPv6 tunnel via HE. Recently my IPv6 connectivity has become *very* slow, any ideas how to debug it:

http://img2.ipv6-test.com/speedtest/result/2019/08/05/ceac2388ac36fdcb5f905df5081e9d8a.png

# ifconfig gif0
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1480
        options=80000<LINKSTATE>
        tunnel inet 78.140.19.131 --> 216.218.221.42
        inet6 2001:470:35:7af::2 --> 2001:470:35:7af::1 prefixlen 128
        inet6 fe80::5604:a6ff:feb4:9a66%gif0 prefixlen 64 scopeid 0x6
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        groups: gif


Victor Sudakov, VAS4-RIPE, VAS47-RIPN
--- GoldED+/BSD 1.1.5-b20160322-b20160322
 * Origin: Ulthar (2:5005/49)

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