操作与配置Cisco IOS设备4.ppt

Slide 1 of 1 Purpose: Emphasize: Copying to NVRAM overwrites the contents in NVRAM. 路由器的 show interfaces 命令 Router#show interfaces Ethernet0 is up, line protocol is up Hardware is Lance, address is 00e0.1e5d.ae2f (bia 00e0.1e5d.ae2f) Internet address is 1/24 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation ARPA, loopback not set, keepalive set (10 sec) ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:07, output 00:00:08, output hang never Last clearing of show interface counters never Queueing strategy: fifo Output queue 0/40, 0 drops; input queue 0/75, 0 drops 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 81833 packets input,bytes, 0 no buffer Received 42308 broadcasts, 0 runts, 0 giants, 0 throttles 1 input errors, 0 CRC, 0 frame, 0 overrun, 1 ignored, 0 abort 0 input packets with dribble condition detected 55794 packets output, 3929696 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets 0 babbles, 0 late collision, 4 deferred 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out Router#show interfaces serial 1 Serial1 is up, line protocol is up Hardware is HD64570 Description: 64Kb Line to San Jose :: :: :: :: :: :: :: :: :: Operational.................. Connection problem... Interface problem........ Disabled ...................... Serial1 is up, line protocol is up Serial1 is up, line protocol is down Serial1 is down, line protocol is down Serial1 is administratively down, line protocol is down 存活信息 载波监测 解读端口状态 串口上用 show controller 命令 Router#show controller serial 0 HD unit 0, idb = 0x121C04, driver structure at 0x127078 buffer size 1524 HD unit 0, V.35 DTE cable . . . 显示串口线的线缆类型 core_ server wg_sw_a 0 wg_sw_l 20 wg_pc_a wg_pc_l ... console 21 e0/2 fa0/26 (port A) e0/2 e0 e0 fa0/26 (port A) fa0/1 fa0/12 fa0/24 c