Re: [LARTC] GRE tunnel wierdness

2002-09-25 Thread Steve M Bibayoff
David Lamparter [EMAIL PROTECTED] wrote: I don't know where this ping effect comes from, east: # ip tunnel add netb mode gre remote a.b.c.e local f.g.h.i ttl 255 # ip link set netb up # ip addr add 192.168.0.254/32 peer 192.168.1.0/24 dev netb west: # ip tunnel add neta mode gre

Re: [LARTC] GRE tunnel wierdness

2002-09-25 Thread David Lamparter
Steve M Bibayoff schrieb: Tried both of these, am still seeing this weird ping affect. If no traffic travels over the tunnel for a while (5 minutes) I can't get from .0/24 neta(east) to .1/24 netb(west) till after I send some traffic from west to east first. Once I do that, everything else

Re: [LARTC] GRE tunnel wierdness

2002-09-25 Thread Steve M Bibayoff
David Lamparter [EMAIL PROTECTED] wrote: Do you have NAT / mangling / etc. running somewhere? The connection tracking timeout is 500 s afaik, maybe GRE is NATed on one of your gateways? A possible explanation would be that east does SNAT on GRE packets or west does DNAT on GRE ... so

[LARTC] GRE tunnel wierdness

2002-09-24 Thread Steve M Bibayoff
I haveing something wierd going on, can't seem to figure why. I have two private networks (neta netb), being masq'ed behind RH 7.3 machines(east west). I also have iptables running on both machines. I could ping from west to east anytime with no problem, but when I try to ping from east to

Re: [LARTC] GRE tunnel wierdness

2002-09-24 Thread David Lamparter
Hi, Steve M Bibayoff schrieb: internal infaces on linux boxes eth0 on x.x.x.1neta=192.168.0.0/24 netb=192.168.1.0/24ip rules on east: # ip tunnel add netb mode gre remote a.b.c.e local f.g.h.i ttl 255 # ip link set netb up arp on # ip addr add 192.168.0.254/24 dev netb