kern/115413: [ipv6] ipv6 pmtu not working

Jacek Zapala jacek at ipv6.jacek.it.pl
Tue Aug 21 07:38:46 PDT 2007


On Tue, 2007-08-21 at 16:31 +0200, Daniel Hartmeier wrote:
> Is the following a correct view of your setup:
> 
>   src ---- $int_if pf $ext_if ---- router ---- dst
> 
> Where client src connects to server dst, and you create the state
> entry
> when the initial TCP SYN goes out $ext_if on the firewall?
> 
> The ICMPv6 is coming in on $ext_if, in the reverse direction, relative
> to the initial TCP SYN?
> 
> And the router is between pf and dst, on the $ext_if side? 

pf is set up on src so it looks like:

src with pf ---- router ---- (internet) ---- dst

pf rule:
pass  out  quick on $if0 inet6 proto tcp from any to $dst_net port 22
flags S/SA keep state


	Jacek




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