Afternoon,
I'm trying to bridge two VLANs and want the bridge to acquire it's IP
configuration via DHCP. I attempted to use the following config but the
device didn't pick up a lease and was unreachable...
# Loopback
auto lo
iface lo inet loopback
# LAN ports
auto eth0.0
iface eth0.0 inet manual
switch-ports 0 1 2 3 5*
# WAN port
auto eth0.1
iface eth0.1 inet manual
switch-ports 4 5
# Bridge
auto br0
iface br0 inet dhcp
bridge-ifaces eth0.0 eth0.1
broadcast +
I would have expected the above to work. As soon as I change the config
for br0 to use a static IP config it all works perfectly.
You might ask why I don't just put all the switch ports in one VLAN and
get that to acquire a DHCP lease. Well, that works just fine, but it
means that all of the traffic is switched and does not pass through the
bridge. I need traffic to/from the WAN to pass through the bridge so
that I can capture it with tcpdump. Trying tcpdump on setup with just a
single VLAN containing all ports yields no traffic (except for traffic
destined to the router itself).
I'm running a WRT54GL with freewrt 1.03 built via the web image builder.
Any bright ideas?
Thanks!
Sam
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