br0 Link encap:Ethernet HWaddr 00:03:C9:31:73:51___網卡卡號1
inet addr:192.168.16.1 Bcast:192.168.16.255 Mask:255.255.255.0


eth0 Link encap:Ethernet HWaddr 00:03:C9:31:73:51____網卡卡號1
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1861 errors:0 dropped:0 overruns:0 frame:0
TX packets:2004 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:215282 (210.2 kiB) TX bytes:779461 (761.1 kiB)
Interrupt:22 Base address:0x1800



nas33 Link encap:Ethernet HWaddr 00:03:C9:31:73:52____網卡卡號2
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1960 errors:0 dropped:0 overruns:0 frame:0
TX packets:1444 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:599879 (585.8 kiB) TX bytes:168699 (164.7 kiB)

nas34 Link encap:Ethernet HWaddr 00:03:C9:31:73:53_____網卡卡號3
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:186 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:0 (0.0 iB) TX bytes:7812 (7.6 kiB)



4013B的設定是 硬體PPPOE撥接 然後基本上 4013B本身沒有內建任何網路卡

那他的ETH0 那些是如何產生的呢