Hi, I am trying get packets routed by Linux after they emerge from a GRE tunnel between OVS bridges.
Something like this: +-------+ +-------+ +-------+ |Host-A |====GRE tunnel===|Host-B |.....|Host-C | |1.1.1.1| |2.2.2.2| |3.3.3.3| +-------+ +-------+ +-------+ ping 3.3.3.3 Problem is the following: packets arrive at Host B. When I tcpdump on the OVS bridge interface on Host B I can see ICMP echo request with destination 3.3.3.3. However, no packets arrive at Host C. Host B does not seem to forward packets when they come from an OVS tunnel. Host B has a route to Host C. When I "ping 3.3.3.3" from Host B directly, it works. IP forwarding is enabled on Host B (echo 1 > /proc/sys/net/ipv4/ip_forward). Any idea what could be going wrong here? J.
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