> On Thu, Jun 03, 2004 at 12:50:56 +0900, Jun-ichiro itojun Hagino wrote:
> 
> >  5  sh3.iijlab.net  2.35 ms
> > 	| MTU=1280
> >  6  garlic  4.161 ms
> 
> Is it the standard traceroute6 that prints the mtu?

	no, i put the line and MTU by hand.

> One more datapoint. Ping6 packets are sent with the lower mtu, while udp
> is sent with the higher mtu. I guess I have to see what happens in
> udp6_output.

	i guess udp pcb is keep pointing to MTU=1500 route (like default)
	somehow.  normally udp pcb will get notified from icmp layer using
	*ctlinput, and should point to MTU=1280 route.

itojun