GIF MTU parmeter is needed

David DeSimone fox at verio.net
Mon Dec 28 18:58:04 UTC 2009


Hideki Yamamoto <hyama99 at gmail.com> wrote:
>
>     h99# ifconfig xl0 inet6 2001:99::1
>     h99# ifconfig gif0 create
>     h99# ifconfig gif0 inet tunnel 192.168.1.8 192.168.1.4
>     h99# route add -inet6 2001:98::/64 -interface gif0
>     add net 2001:98::/64: gateway gif0
>     h99# ifconfig  gif0 up

I wonder if the problem you're seeing is due to the MTU attached to the
static route that you're adding rather than the MTU of the interface.

Try different command sequences and perform a "route get" to find out
what MTU is being applied to the routes, to see if they change to what
you expect.

-- 
David DeSimone == Network Admin == fox at verio.net
  "I don't like spinach, and I'm glad I don't, because if I
   liked it I'd eat it, and I just hate it." -- Clarence Darrow


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