Subject: Re: SMTP/IPv6, stf0 and stuff
To: None <itojun@iijlab.net>
From: Michael Richardson <mcr@sandelman.ottawa.on.ca>
List: tech-net
Date: 08/21/2003 11:05:39
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>>>>> "itojun" == itojun  <itojun@iijlab.net> writes:
    >> My default route was:
    >> 
    >> mtu default fe80::280:c8ff:feca:766c%vr0 UG 4 738 - vr0

    itojun> looks ok.  do you have any device that filters icmpv6 out?  (that
    itojun> would cause PMTUD blackhole)

  None that I know about.
  I was surprised that the fragments were produced at all - that TCP didn't
adapt to a lower MSS.

    >> I poked at it by doing:
    >> 
    >> route change -inet6 -net -mtu 1280 :: fe80::280:c8ff:feca:766c

    itojun> you have to specify the outgoing link on the last argument, like
    itojun> "fe80::280:c8ff:feca:766c%vr0".  it is mandatory.

  Okay, I didn't know that I could put the % in there.

]      Out and about in Ottawa.    hmmm... beer.                |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian/notebook using, kernel hacking, security guy");  [



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