#20678: Bridge Problem with Avila 2348
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Reporter: anonymous | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone: Chaos Calmer (trunk)
Component: packages | Version: Chaos Calmer 15.05
Keywords: |
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<Also posted to forums:
https://forum.openwrt.org/viewtopic.php?pid=294651#p294651
>
I am upgrading my Avila boards from BB to CC and running into an issue
with bridging. This one is stumping me and not sure what else to do to
debug.
The initial symptom was with packets not being bridged between eth0 and
wlan0 (ap) mode. However, some problem exists for the bridge on eth0 and
eth1.
Here's the problem with eth0 & eth1
Avila board has 2 ethernets ports. I have change /etc/config/network file
to include both eth0 and eth1 in the "lan" bridge
there is no WAN interface on this unit, as it will be used as a basic AP.
I have updated /etc/config/network to give this unit IP: 192.168.2.5
there's another router on the lan called 192.168.2.1
to test connectivity, I ran
ping 192.168.2.1
basically, ping is successful if my ethernet cable is plugged into eth0,
but not if plugged into eth1.
here's the output on the console, as I ping 192.168.2.1 with cable in eth0
and switch to eth1
{{{
# ping 192.168.2.1
PING 192.168.2.1 (192.168.2.1): 56 data bytes
64 bytes from 192.168.2.1: seq=0 ttl=64 time=1.156 ms
64 bytes from 192.168.2.1: seq=1 ttl=64 time=20.327 ms
64 bytes from 192.168.2.1: seq=2 ttl=64 time=0.908 ms
64 bytes from 192.168.2.1: seq=3 ttl=64 time=0.943 ms
[ 1762.334719] eth0: link down <unplugged the cable>
[ 1762.337743] br-lan: port 1(eth0) entered disabled state
[ 1766.335016] eth1: link up, speed 100 Mb/s, full duplex <plugged the
cable in eth1>
[ 1766.340218] br-lan: port 2(eth1) entered forwarding state
[ 1766.345770] br-lan: port 2(eth1) entered forwarding state
[ 1768.344610] br-lan: port 2(eth1) entered forwarding state
^C
--- 192.168.2.1 ping statistics ---
16 packets transmitted, 4 packets received, 75% packet loss
round-trip min/avg/max = 0.908/5.833/20.327 ms
# ping 192.168.2.1
PING 192.168.2.1 (192.168.2.1): 56 data bytes
^C
--- 192.168.2.1 ping statistics ---
4 packets transmitted, 0 packets received, 100% packet loss <eth1 not
working...>
}}}
Here is the output of of some commands, hopefully relevant
all /etc/config file are the default, except for what's here.
my /etc/config/network
{{{
config interface 'loopback'
option ifname 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config interface 'lan'
option ifname 'eth0 eth1'
option type 'bridge'
option proto 'static'
option ipaddr '192.168.2.5'
option netmask '255.255.255.0'
option ip6assign '60'
config globals 'globals'
option ula_prefix 'fdf5:1d6b:6248::/48'
}}}
output of brctl command
{{{
# brctl show
bridge name bridge id STP enabled interfaces
br-lan 7fff.00d0124bde0a no eth0
eth1
}}}
output of bridge command for when cable is in eth1
{{{
# bridge link
2: eth0 state DOWN : <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 master
br-lan state disabled priority 32 cost 100
3: eth1 state UP : <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 master br-
lan state forwarding priority 32 cost 19
}}}
here's the output of ifconfig
{{{
# ifconfig
br-lan Link encap:Ethernet HWaddr 00:D0:12:4B:DE:0A
inet addr:192.168.2.5 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::2d0:12ff:fe4b:de0a/64 Scope:Link
inet6 addr: fdf5:1d6b:6248::1/60 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2393 errors:0 dropped:0 overruns:0 frame:0
TX packets:443 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:324845 (317.2 KiB) TX bytes:38993 (38.0 KiB)
eth0 Link encap:Ethernet HWaddr 00:D0:12:4B:DE:0A
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:152 errors:0 dropped:0 overruns:0 frame:0
TX packets:67 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:14495 (14.1 KiB) TX bytes:6652 (6.4 KiB)
eth1 Link encap:Ethernet HWaddr 00:D0:12:4C:DE:0A
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5369 errors:0 dropped:0 overruns:0 frame:0
TX packets:414 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:1084729 (1.0 MiB) TX bytes:35457 (34.6 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:2831 errors:0 dropped:0 overruns:0 frame:0
TX packets:2831 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:191881 (187.3 KiB) TX bytes:191881 (187.3 KiB)
}}}
output of ebtables
{{{
#ebtables -L
Bridge table: filter
Bridge chain: INPUT, entries: 0, policy: ACCEPT
Bridge chain: FORWARD, entries: 0, policy: ACCEPT
Bridge chain: OUTPUT, entries: 0, policy: ACCEPT
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/20678>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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