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<td height="24" align="center" valign="bottom" class="d_font3">路由器日常维护和排错</td>
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<td class="d_font4"> <P>通常我们使用show interface命令来查看接口的信息，如show interface gig 1/0或者show int pos 2/0等来分别查看路由器上千兆以太接口和POS接口的端口信息。</P>
<P>查看以太网接口信息，在7507上使用命令为： show interfaces fastethernet [slot/port-adapter/port]<BR>查看POS接口信息，在7507上使用命令为： show interfaces pos [slot/port-adapter/port]<BR><BR>1、下例给出了在7507上查看第1槽位上第1个PA上的第1个快速以太网接口的接口配置信息：<BR><BR>Router# show interfaces fastethernet 1/0/0<BR><BR>Fast Ethernet1/0/0 is up, line protocol is up <BR> Hardware is TSWITCH, address is 00e0.f7a4.5130 (bia 00e0.f7a4.5130)<BR> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255<BR> Encapsulation ARPA, loopback not set, keepalive set (10 sec)<BR> Half-duplex, 100BaseTX<BR> ARP type: ARPA, ARP Timeout 04:00:00<BR> Last input 00:05:30, output 00:00:00, output hang never<BR> Last clearing of "show interface" counters never<BR> Queueing strategy: fifo<BR> Output queue 0/40, 0 drops; input queue 0/75, 0 drops<BR> 5 minute input rate 0 bits/sec, 0 packets/sec<BR> 5 minute output rate 0 bits/sec, 0 packets/sec<BR> 312 packets input, 18370 bytes, 0 no buffer<BR> Received 216 broadcasts, 0 runts, 0 giants, 0 throttles<BR> 3 input errors, 0 CRC, 0 frame, 0 overrun, 3 ignored, 0 abort<BR> 0 input packets with dribble condition detected<BR> 15490 packets output, 1555780 bytes, 0 underruns<BR> 2 output errors, 0 collisions, 2 interface resets<BR> 0 babbles, 0 late collision, 0 deferred<BR> 0 lost carrier, 0 no carrier <BR>2 output buffer failures, 0 output buffers swapped out<BR></P>
<P align=left>2、下例给出了在7507上查看第2槽位上第1个PA上的第1个快速以太网接口的接口配置信息：</P>
<P align=left>Router# show interfaces pos 2/0/0<BR><BR>POS2/0/0 is up, line protocol is up<BR> Hardware is cyBus Packet over Sonet<BR> Description: PRI-T1 net to zippy (4K) to Pac-Bell<BR> Internet address is 10.1.1.1/27<BR> MTU 4470 bytes, BW 1000 Kbit, DLY 40000 usec, rely 255/255, load 1/255<BR> Encapsulation HDLC, loopback not set, keepalive set (3 sec)<BR> Last input 00:00:00, output 00:00:00, output hang never<BR> Last clearing of "show interface" counters 00:23:09<BR> Queueing strategy: fifo<BR> Output queue 0/40, 0 drops; input queue 0/75, 0 drops<BR> 5 minute input rate 0 bits/sec, 1 packets/sec<BR> 5 minute output rate 1000 bits/sec, 1 packets/sec<BR> 1046 packets input, 54437 bytes, 0 no buffer<BR> Received 485 broadcasts, 0 runts, 0 giants, 0 parity<BR> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort<BR> 4013 packets output, 1357412 bytes, 0 underruns<BR> 0 output errors, 0 applique, 0 interface resets<BR> 0 output buffer failures, 0 output buffers swapped out<BR> 0 carrier transitions<BR><BR><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">3、下表给出了</SPAN><SPAN lang=EN-US>show interface</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">的输出中所有表项的具体含义：</SPAN></P>
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<P class=pb1body1><SPAN lang=EN-US>Fast Ethernet... is up<BR>...is administratively down</SPAN></P></TD>
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<P class=pdefault><SPAN style="FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">表明接口的硬件当前是否是被激活的还是被管理员手工的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: windowtext; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体">showdown</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">掉了。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: windowtext; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体"><O:P> </O:P></SPAN></P></TD></TR>
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<P class=pb1body1><SPAN lang=EN-US>line protocol is</SPAN></P></TD>
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路由器日常维护和排错.
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