Is it possible you have icmp_echo_ignore_all set to 1?
Try:cat /proc/sys/net/ipv4/icmp_echo_ignore_all if it returns 1, that may be
the problem - echo 0 > /proc/sys/net/ipv4/icom_echo_ignore_all
On Thursday, October 30, 2014 10:26 AM, "[email protected]"
<[email protected]> wrote:
On 2014-10-29 20:20, David Madden wrote:
> I have two networks at home: 172.16.2.x/24 (ethernet) and
> 172.17.2.x/24
> (WiFi). There's an OpenWRT router between them, and also a couple of
> Linux boxes with interfaces on both networks.
Multihoming is weird.
In general, you have to tell a multihomed box to tag incoming packets
with the interface the packet came in on, and then send responses via
that same interface. You'd think it would "just work" but no.
Usually, you use a set of "ip route" commands to fix this up.
I think this might cover your case:
https://blogs.oracle.com/networking/entry/advance_routing_for_multi_homed
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