On Wed, 05 Jan 2005 01:50:32 +0800 ro0ot <ro0ot@xxxxxxxxxxxx> wrote: > Hi, > > I had setup my bridge (br0) as below: - > > ifconfig eth0 0.0.0.0 > ifconfig eth5 0.0.0.0 > > brctl addbr br0 > > brctl addif br0 eth0 > brctl addif br0 eth5 > > brctl stp br0 on > > Once I connect both the interface (eth0 and eth5) to my network. I > can't ping to my router (connect to eth0) or ping to my other IP > addresses (connect to eth5). I check around and found out some messages > pops up in /var/log/syslog file as below: - > > Jan 2 10:44:22 fw01 kernel: ipt_tcpmss_target: bad length (64 bytes) > Jan 2 10:44:32 fw01 last message repeated 11 times > Jan 2 12:27:08 fw01 kernel: Neighbour table overflow. > Jan 2 12:27:11 fw01 last message repeated 9 times > Jan 2 12:27:13 fw01 kernel: NET: 10 messages suppressed. > Jan 2 12:27:13 fw01 kernel: Neighbour table overflow. > Jan 2 12:27:18 fw01 kernel: NET: 27 messages suppressed. > Jan 2 12:27:18 fw01 kernel: Neighbour table overflow. > > Once I disconnect the cable from the eth5 interface, I can ping to my > router. I try to reconnect the cable back to the eth5 interface and run > a ping to my router. As the result, I can't ping the router and the > similar messages pops up in the /var/log/syslog file. > > How can I resolve this issue? > > It is an iptables/ebtables issue, you should check with netfilter-user@xxxxxxxxxxxxxxxxxxx or ebtables-user@xxxxxxxxxxxxxxxxxxxxx