Subject: Re: SMTP/IPv6, stf0 and stuff
To: Michael Richardson <mcr@sandelman.ottawa.on.ca>
From: None <itojun@iijlab.net>
List: tech-net
Date: 08/21/2003 07:43:34
>My default route was:
>
>                                                              mtu   
>default   fe80::280:c8ff:feca:766c%vr0   UG          4    738  -  vr0

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

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

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

itojun