Hi
All,
I
am facing one very strange problem with bridge in our wireless Access Point.
Let me explain you my setup first. I have two Linux bridge br114 and br113 in
my AP. Both the bridge have two vlan interfaces under it, one Ethernet vlan
iface (eth1.xx) and another one is radio vlan interface (ath0.xx). So now both
the bridge will look like this
br113
= > eth1.113 + eth0.113
br114
= > eth1.114 + eth0.114
I
have connected two wireless stations with this AP. Two stations (STA113 and
STA114)
are connected to br113. Now I am pinging to their respective DHCP server from
all the three stations. This is all about setup.
After
some time, ping from STA113 and STA114 stops for their respective DHCP server.
I have checked the ARP table and found that it has a valid entry so I think the
problem lies in bridge code. I think bridge is only dropping the packet and not
forwarding it to proper interface. At this time I have put some message in
br_forward.c and found that it is putting the packet on same interface, I mean
eth0.113
to eth0.113, due to this should_deliver is falling and packet is getting
dropped.
Can
somebody explain me something about this behavior? I mean where I should look
into
code to solve this issue. I am expecting some help on this because I am stuck
on this. One more very important thing, it happens when I am having two
bridges, things works fine with single bridge. I mean it happen only when I
have both the bridge br113 and br114. If I have only br113 then things are
working fine.
Thanks
and Regards,
Rahul
Bhardwaj
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