有关ifconfig的问题

[chenhaohh]

当我ifconfig的时候，出现如下：
debian:~# ifconfig
br0 Link encap:Ethernet HWaddr 00:15:17:a5:c3:03
inet6 addr: fe80::215:17ff:fea5:c303/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:58 errors:0 dropped:0 overruns:0 frame:0
TX packets:69 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:7161 (6.9 KiB) TX bytes:20130 (19.6 KiB)

eth0 Link encap:Ethernet HWaddr 00:15:17:a5:c3:02
inet addr:192.168.1.215 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::215:17ff:fea5:c302/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:56426675 errors:0 dropped:0 overruns:0 frame:0
TX packets:104138053 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:41011112614 (38.1 GiB) TX bytes:120017754406 (111.7 GiB)
Memory:fdf80000-fdfa0000

eth1 Link encap:Ethernet HWaddr 00:15:17:a5:c3:03
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)
Memory:fdfe0000-fe000000

eth2 Link encap:Ethernet HWaddr 00:24:8c:0e:fb:3e
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)
Memory:fdea0000-fdec0000

eth3 Link encap:Ethernet HWaddr 00:24:8c:0e:fb:3f
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)
Memory:fdee0000-fdf00000

eth4 Link encap:Ethernet HWaddr 00:24:8c:0e:fb:d5
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)
Memory:fdae0000-fdb00000

eth5 Link encap:Ethernet HWaddr 00:24:8c:0e:fb:af
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::224:8cff:fe0e:fbaf/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:37362377 errors:0 dropped:0 overruns:0 frame:0
TX packets:421010 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:53493203236 (49.8 GiB) TX bytes:131637758 (125.5 MiB)
Memory:fd9e0000-fda00000

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:16436 Metric:1
RX packets:17339806 errors:0 dropped:0 overruns:0 frame:0
TX packets:17339806 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:124395882052 (115.8 GiB) TX bytes:124395882052 (115.8 GiB)

tap0 Link encap:Ethernet HWaddr 00:ff:e4:78:72:28
inet6 addr: fe80::2ff:e4ff:fe78:7228/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:195 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:116 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:25551 (24.9 KiB) TX bytes:168 (168.0 B)
请问br0和tap0各代表什么意思阿，谢谢！

[hefuhua]

br0 网桥设备

tap0 tap设备,TUN与TAP是操作系统内核中的虚拟网络设备

[chenhaohh]

[Quote=引用 1 楼 hefuhua 的回复:]
br0 网桥设备

tap0 tap设备,TUN与TAP是操作系统内核中的虚拟网络设备


[/Quote]
那为什么会显示出来阿？

[ShowMan]

ifconfig --help
Usage:
ifconfig [-a] [-v] [-s] <interface> [[<AF>] <address>]
[add <address>[/<prefixlen>]]
[del <address>[/<prefixlen>]]
[[-]broadcast [<address>]] [[-]pointopoint [<address>]]
[netmask <address>] [dstaddr <address>] [tunnel <address>]
[outfill <NN>] [keepalive <NN>]
[hw <HW> <address>] [metric <NN>] [mtu <NN>]
[[-]trailers] [[-]arp] [[-]allmulti]
[multicast] [[-]promisc]
[mem_start <NN>] [io_addr <NN>] [irq <NN>] [media <type>]
[txqueuelen <NN>]
[[-]dynamic]
[up|down] ...

<HW>=Hardware Type.
List of possible hardware types:
loop (Local Loopback) slip (Serial Line IP) cslip (VJ Serial Line IP)
slip6 (6-bit Serial Line IP) cslip6 (VJ 6-bit Serial Line IP) adaptive (Adaptive Serial Line IP)
strip (Metricom Starmode IP) ash (Ash) ether (Ethernet)
tr (16/4 Mbps Token Ring) tr (16/4 Mbps Token Ring (New)) ax25 (AMPR AX.25)
netrom (AMPR NET/ROM) rose (AMPR ROSE) tunnel (IPIP Tunnel)
ppp (Point-to-Point Protocol) hdlc ((Cisco)-HDLC) lapb (LAPB)
arcnet (ARCnet) dlci (Frame Relay DLCI) frad (Frame Relay Access Device)
sit (IPv6-in-IPv4) fddi (Fiber Distributed Data Interface) hippi (HIPPI)
irda (IrLAP) ec (Econet) x25 (generic X.25)
infiniband (InfiniBand)
<AF>=Address family. Default: inet
List of possible address families:
unix (UNIX Domain) inet (DARPA Internet) inet6 (IPv6)
ax25 (AMPR AX.25) netrom (AMPR NET/ROM) rose (AMPR ROSE)
ipx (Novell IPX) ddp (Appletalk DDP) ec (Econet)
ash (Ash) x25 (CCITT X.25)

[chenhaohh]

[Quote=引用 3 楼 ShowMan 的回复:]
ifconfig --help
Usage:
ifconfig [-a] [-v] [-s] <interface> [[ <AF>] <address>]
[add <address>[/ <prefixlen>]]
[del <address>[/ <prefixlen>]]
[[-]broadcast [ <address>]]  [[-]pointopoint [ <address>]]
[netmask <address>]  [dstaddr <address>]  [tunnel <address>]
[outfill <NN>] [keepalive <NN>]
[hw <HW> <address>]  [metric <NN>]  [mtu <NN>]
[[-]trailers]  [[-]arp]  [[-]allmult…
[/Quote]
还是不太明白阿

[godfrey1108]

你要显示哪个就直接跟设备就行了，比如 ifconfig eth1,那就只显示eth1的状态，直接ifconfig就是把你所有的网络设备都显示出来!!!汗！