宽带和iptv共用一根网线,iptv单线双网

家里弱电箱到卧室只有一根线，如何才能同时满足iptv和宽带同时使用呢？
买2台vlan交换机，其中一个vlan交换机用支持openwrt的路由器代替：

拓扑如下（借用购买的sucom交换机图）：

弱电箱交换机配置如下：

卧室openwrt配置如下：

[root@PandoraBox_DF50:/]#swconfig dev switch0 showGlobal attributes: enable_vlan: 1Port 0: pvid: 2 link: port:0 link:downPort 1: pvid: 3 link: port:1 link:downPort 2: pvid: 0 link: port:2 link:downPort 3: pvid: 0 link: port:3 link:downPort 4: pvid: 1 link: port:4 link:up speed:100baseT full-duplexPort 5: pvid: 0 link: port:5 link:downPort 6: pvid: 0 link: port:6 link:up speed:1000baseT full-duplexPort 7: pvid: 0 link: port:7 link:downVLAN 1: vid: 1 ports: 0 1 4 6t 7tVLAN 2: vid: 2 ports: 0 4t 6t 7tVLAN 3: vid: 3 ports: 1 4t 6t 7t
[root@PandoraBox_DF50:/]#cat /etc/config/networkconfig interface 'loopback' option ifname 'lo' option proto 'static' option ipaddr '127.0.0.1' option netmask '255.0.0.0'config globals 'globals' option ula_prefix 'fdcc:4b25:9dd1::/48'config interface 'vp1' option type 'bridge' option _orig_ifname 'eth0.1' option _orig_bridge 'true' option proto 'dhcp' option ifname 'eth0.1 eth0.2'config device 'lan_dev' option name 'eth0.1' option macaddr '20:76:93:20:df:50'config device 'wan_dev' option name 'eth0.2' option macaddr '20:76:93:20:df:51'config switch option name 'switch0' option reset '1' option enable_vlan '1'config switch_vlan option device 'switch0' option vlan '1' option vid '1' option ports '0 1 4 6t 7t'config switch_vlan option device 'switch0' option vlan '2' option vid '2' option ports '0 4t 6t 7t'config switch_vlan option device 'switch0' option vlan '3' option vid '3' option ports '1 4t 6t 7t'config interface 'pc' option type 'bridge' option proto 'none' option ifname 'eth0.2' option auto '1'[root@PandoraBox_DF50:/]#结果：iptv和宽带在卧室只要一根线就可以了