RE: [squid-users] Squid + RHEL4 + ip_gre issue

Yes. I included in my original post. I include my read on it as well.
 
----- begin of the trace ------

      1 0.000000 192.168.1.6 192.168.1.7 WCCP
1.0 Here I am

-----> Squid tries to register with the router.

      2 0.000960 192.168.1.7 192.168.1.6 WCCP
1.0 I see you

-----> Router sees it and registers it.

      3 3.408431 10.17.11.20 209.131.36.158 TCP
34121 > http [SYN] Seq=0 Len=0 MSS=1460 TSV=100191619 TSER=0 WS=2

-----> Client tries to access a web site and the router forwards it to
the Squid machine.

      4 3.408469 192.168.1.6 204.146.97.xx ICMP
Destination unreachable (Protocol unreachable)

-----> Here I think indicates the problem which is the ip_gre doesn't
know how to decapsulate the gre-ed WCCP packet. It send an ICMP packet
back to the router with Protocol unreachable error.
 
----- end of the trace ------

Thanks again for your help.

On Thu, 2006-08-03 at 22:00 +0200, Henrik Nordstrom wrote:
> If you run tcpdump -n -i wccp0, do you see any traffic?
>
> Regards
> Henrik
>
> tor 2006-08-03 klockan 12:03 -0700 skrev Arnold Wang:
> > Yes, I did change those system settings mentioned in FAQ, including
> > enabling routing, etc.
> >
> > [awang@rcarhlp02.qrs.com awang]
> > $cat /proc/sys/net/ipv4/conf/wccp0/rp_filter
> > 0
>
Received on Thu Aug 03 2006 - 14:33:19 MDT