Configuring Multiple bridges on Linksys WRT1200AC/mvebu with DSA config does not work with the latest 21.02.1. One of the bridges does not bring up interfaces/links:
Device problem occurs on: Linksys WRT1200AC v2 caiman
Software versions of OpenWrt/LEDE release: 21.02.1 / mvebu / cortexa9. 21.02 installed by flashing the firmware and recreating the config from scratch (no sysupgrade)
Fresh installation with the original br-lan device bridge with lan[1234] switch ports and no VLAN filtering enabled.
Detach 2 lan switch ports from br-lan (e.g. lan3, lan4)
Create a new br-dmz bridge device from the removed lan3 & lan4 ports
Create a new interface dmz using the br-dmz device, disable ipv6, assign static IP address, add to dmz firewall zone, enable DHCP server on the device, do not enable VLAN filtering.
Configure firewall
Save, apply, Reboot the device
lan1 & lan2 switch ports from br-lan bridge device are not brought up at all on boot, neither shown in the bridge.
root@gw:~# brctl show
bridge name bridge id STP enabled interfaces
br-dmz 7fff.58ef6811a966 no lan4
lan3
wlan1-1
br-lan 7fff.58ef6811a967 no wlan0
wlan1
xyz:
Configuring Multiple bridges on Linksys WRT1200AC/mvebu with DSA config does not work with the latest 21.02.1. One of the bridges does not bring up interfaces/links:
Follow the official doc https://openwrt.org/docs/guide-user/network/dsa/dsa-mini-tutorial#multiple_bridged_networks
br-lan
device bridge withlan[1234]
switch ports and no VLAN filtering enabled.lan
switch ports from br-lan (e.g. lan3, lan4)br-dmz
bridge device from the removedlan3
&lan4
portsdmz
using thebr-dmz
device, disable ipv6, assign static IP address, add todmz
firewall zone, enable DHCP server on the device, do not enable VLAN filtering.lan1
&lan2
switch ports frombr-lan
bridge device are not brought up at all on boot, neither shown in the bridge.root@gw:~# brctl show bridge name bridge id STP enabled interfaces br-dmz 7fff.58ef6811a966 no lan4 lan3 wlan1-1 br-lan 7fff.58ef6811a967 no wlan0 wlan1
root@gw:~# ifconfig -a
br-dmz Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CC
inet addr:192.168.123.1 Bcast:192.168.123.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:551 errors:0 dropped:0 overruns:0 frame:0
TX packets:506 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:39420 (38.4 KiB) TX bytes:52781 (51.5 KiB)
br-lan Link encap:Ethernet HWaddr 58:EF:68:11:A9:67
inet addr:192.168.222.1 Bcast:192.168.222.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:108008 errors:0 dropped:0 overruns:0 frame:0
TX packets:390508 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:14872807 (14.1 MiB) TX bytes:545334161 (520.0 MiB)
eth0 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CC
inet6 addr: fe80::5aef:68ff:fe11:a966/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1508 Metric:1
RX packets:387500 errors:0 dropped:0 overruns:0 frame:0
TX packets:104792 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1024
RX bytes:545261950 (520.0 MiB) TX bytes:16762090 (15.9 MiB)
Interrupt:37
lan1 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CC
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:426 (426.0 B)
lan2 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CC
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lan3 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CC
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lan4 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CC
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:4436 (4.3 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:2562 errors:0 dropped:0 overruns:0 frame:0
TX packets:2562 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:209868 (204.9 KiB) TX bytes:209868 (204.9 KiB)
wan Link encap:Ethernet HWaddr 5A:EF:68:AA:BB:CC
inet addr:192.168.100.2 Bcast:192.168.100.255 Mask:255.255.255.0
inet6 addr: fe80::58ef:68ff:fe11:a966/64 Scope:Link
inet6 addr: 2a01:c846:1100:3500::2/128 Scope:Global
inet6 addr: 2a01:c846:1100:3500:58ef:68ff:fe11:a966/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:387500 errors:0 dropped:13 overruns:0 frame:0
TX packets:104737 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:536736950 (511.8 MiB) TX bytes:15917308 (15.1 MiB)
wlan0 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CD
inet6 addr: fe80::5aef:68ff:fe11:a968/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:108011 errors:0 dropped:0 overruns:0 frame:0
TX packets:390603 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:16385621 (15.6 MiB) TX bytes:553157130 (527.5 MiB)
wlan1 Link encap:Ethernet HWaddr 58:EF:68:AA:BB:CE
inet6 addr: fe80::5aef:68ff:fe11:a967/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:89 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:11679 (11.4 KiB)
wlan1-1 Link encap:Ethernet HWaddr 00:25:9C:11:22:33
inet6 addr: fe80::225:9cff:fe14:53bd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:553 errors:0 dropped:0 overruns:0 frame:0
TX packets:518 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:47590 (46.4 KiB) TX bytes:64499 (62.9 KiB)
root@gw:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1508 qdisc mq state UP qlen 1024
link/ether 58:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
inet6 fe80::5aef:68ff:fe11:a966/64 scope link
valid_lft forever preferred_lft forever
3: lan4@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-dmz state UP qlen 1000
link/ether 58:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
4: lan3@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue master br-dmz state LOWERLAYERDOWN qlen 1000
link/ether 58:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
5: lan2@eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN qlen 1000
link/ether 58:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
6: lan1@eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN qlen 1000
link/ether 58:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
7: wan@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
link/ether 5a:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
inet 192.168.100.2/24 brd 192.168.100.255 scope global wan
valid_lft forever preferred_lft forever
inet6 2a01:c846:1100:3500:58ef:68ff:fe11:a966/64 scope global dynamic noprefixroute
valid_lft 14231sec preferred_lft 10631sec
inet6 2a01:c846:1100:3500::2/128 scope global dynamic noprefixroute
valid_lft 12885sec preferred_lft 9285sec
inet6 fe80::58ef:68ff:fe11:a966/64 scope link
valid_lft forever preferred_lft forever
10: br-dmz: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
link/ether 58:ef:68:11:a9:66 brd ff:ff:ff:ff:ff:ff
inet 192.168.123.1/24 brd 192.168.123.255 scope global br-dmz
valid_lft forever preferred_lft forever
13: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
link/ether 58:ef:68:11:a9:67 brd ff:ff:ff:ff:ff:ff
inet 192.168.222.1/24 brd 192.168.222.255 scope global br-lan
valid_lft forever preferred_lft forever
14: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br-lan state UP qlen 1000
link/ether 58:ef:68:aa:bb:cd brd ff:ff:ff:ff:ff:ff
inet6 fe80::5aef:68ff:fe11:a968/64 scope link
valid_lft forever preferred_lft forever
15: wlan1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br-lan state UP qlen 1000
link/ether 58:ef:68:aa:bb:ce brd ff:ff:ff:ff:ff:ff
inet6 fe80::5aef:68ff:fe11:a967/64 scope link
valid_lft forever preferred_lft forever
16: wlan1-1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br-dmz state UP qlen 1000
link/ether 00:25:9c:11:22:33 brd ff:ff:ff:ff:ff:ff
inet6 fe80::225:9cff:fe14:53bd/64 scope link
valid_lft forever preferred_lft forever
root@gw:~# cat /proc/net/vlan/config
VLAN Dev name | VLAN ID
Name-Type: VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD
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