拓扑
+---------+ +---------+
| | | |
| port3 +---------+ gi0/1 |
| | | |
+---------+ +---------+
device1 device2
主测设备device1使用基于Atheros AR9344 SoC芯片设备，辅测设备device2使用普通3层交换机
主测设备lan口中的的port3口与辅测设备的gi0/1口直连，测试二者之间收发带vlan tag 5的报文通路
配置
交换机
interface GigabitEthernet 0/1
switchport mode trunk
switchport trunk native vlan 3
interface VLAN 5
ip address 2.2.2.10 255.255.255.0
创建SVI 5，接口配置成trunk口并且native vlan配置为非5。
openwrt设备
设备默认eth0为交换芯片口
- 将端口3从默认vlan1中移出并加入vlan5
swconfig dev eth0 vlan 1 set ports '0 1 2 4'
swconfig dev eth0 vlan 5 set ports '0t 3t'- 使能switch配置
swconfig dev eth0 set apply- 创建vlan接口并配置IP地址
vconfig add eth0 5
ifconfig vlan5 2.2.2.3 netmask 255.255.255.0- 查看配置的交换口
admin@Ruijie:/# swconfig dev eth0 show
Global attributes:
enable_vlan: 1
Port 0:
pvid: 1
link: port:0 link:up speed:1000baseT full-duplex txflow rxflow
Port 1:
pvid: 1
link: port:1 link:down
Port 2:
pvid: 1
link: port:2 link:down
Port 3:
pvid: 1
link: port:3 link:up speed:100baseT full-duplex auto
Port 4:
pvid: 1
link: port:4 link:down
VLAN 1:
vid: 1
ports: 0t 1 2 4
VLAN 5:
vid: 5
ports: 0t 3t - 查看创建的vlan接口
admin@Ruijie:/# ifconfig vlan5
vlan5 Link encap:Ethernet HWaddr 58:69:6C:18:AB:72
inet addr:2.2.2.3 Bcast:2.2.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:512 (512.0 B) TX bytes:574 (574.0 B)测试结果
admin@Ruijie:/# ping 2.2.2.10
PING 2.2.2.10 (2.2.2.10): 56 data bytes
64 bytes from 2.2.2.10: seq=0 ttl=64 time=0.825 ms
64 bytes from 2.2.2.10: seq=1 ttl=64 time=0.755 ms
64 bytes from 2.2.2.10: seq=2 ttl=64 time=0.905 ms - 通过uci进行配置保存
config interface 'vlan'
option ifname 'eth0.5'
option proto 'static'
option ipaddr '2.2.2.3'
option netmask '255.255.255.0'
option type 'bridge'
option force_link '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '0 1 2 4'
config switch_vlan
option device 'switch0'
option vlan '5'
option ports '0t 3t'如果想把wan口(eth1)也加入到同一个vlan中进行收发，则只需要修改network配置
config interface 'vlan'
option ifname 'eth0.5 eth1.5'配置命令
swconfig
swconfig dev <dev> [port <port>|vlan <vlan>] (help|set <key> <value>|get <key>|load <config>|show)- VLAN配置中的vid不一定要与VLAN编号一致，可以配置不一样，例如VLAN编号1的vid为10
VLAN 1:
vid: 10
ports: 0t 1 2 4 - VLAN配置中的ports中，数字后带t表示收发带tag报文，例如端口3收发带vlan tag 5报文
VLAN 5:
vid: 5
ports: 0t 3t - ports配置中的pvid表示，收到该端口收到不带tag报文时，默认转发的vlan，例如端口3收到不带tag报文后默认在vlan 3中进行转发
Port 3:
pvid: 3
link: port:3 link:up speed:100baseT full-duplex autovconfig
Usage: vconfig COMMAND [OPTIONS]
Create and remove virtual ethernet devices
add IFACE VLAN_ID
rem VLAN_NAME
set_flag IFACE 0|1 VLAN_QOS
set_egress_map VLAN_NAME SKB_PRIO VLAN_QOS
set_ingress_map VLAN_NAME SKB_PRIO VLAN_QOS
set_name_type NAME_TYPEAuthor: chenxiawei@gmail.com