Messages in this thread | | | Date | Mon, 9 Sep 2002 09:55:23 +0200 | From | Tomas Szepe <> | Subject | Re: Connectivity problem (kernel bug?) |
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> I've tried to analyse this and come to a conclusion that this is Linux1 fault. > Well, what is going on: > > 1. Linux2 (10.0.0.3) send icmp echo request to 10.1.0.2 thru 10.0.0.1 > 10.0.0.3 -> 10.0.0.1 > 2. Cisco receives it and forwards to Linux2 thru VLAN 2 > 10.1.0.1 -> 10.1.0.2 > 3. Linux1 receives icmp request thru eth0.2 > > All of this stages may be observed using tcpdump on Linux1 and Linux2. > > 4. Nothing happened any more! ==8-O > No reply sends from Linux1! > Not from eth0 nor from eth0.2!
Do you have IP forwarding enabled? echo 1 >/proc/sys/net/ipv4/ip_forward
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