Cisco路由器我配置了两个口，为什么ping不到其中一个？

rinehart

interface Serial0\r\n ip address 10.0.0.22 255.255.255.252\r\n!\r\ninterface Serial1\r\n no ip address\r\n shutdown\r\n!\r\ninterface FastEthernet0\r\n ip address 172.18.0.254 255.255.254.0\r\n speed auto

rinehart

cn1700#show interfaces serial 0\r\nSerial0 is up, line protocol is up\r\n  Hardware is PowerQUICC Serial\r\n  Internet address is 10.0.0.22/30\r\n  MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,\r\n     reliability 141/255, txload 1/255, rxload 1/255\r\n  Encapsulation HDLC, loopback not set\r\n  Keepalive set (10 sec)\r\n  Last input never, output 00:00:08, output hang never\r\n  Last clearing of \"show interface\" counters never\r\n  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0\r\n  Queueing strategy: weighted fair\r\n  Output queue: 0/1000/64/0 (size/max total/threshold/drops)\r\n     Conversations  0/1/256 (active/max active/max total)\r\n     Reserved Conversations 0/0 (allocated/max allocated)\r\n  5 minute input rate 0 bits/sec, 0 packets/sec\r\n  5 minute output rate 0 bits/sec, 0 packets/sec\r\n     0 packets input, 0 bytes, 0 no buffer\r\n     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles\r\n     7041658 input errors, 0 CRC, 24 frame, 0 overrun, 0 ignored, 7041651 abort\r\n     6025 packets output, 233382 bytes, 0 underruns

rinehart

cn1700#show interfaces fastEthernet 0\r\nFastEthernet0 is up, line protocol is up\r\n  Hardware is PQUICC_FEC, address is 0002.1761.fcfa (bia 0002.1761.fcfa)\r\n  Internet address is 172.18.0.254/23\r\n  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,\r\n     reliability 255/255, txload 1/255, rxload 1/255\r\n  Encapsulation ARPA, loopback not set\r\n  Keepalive set (10 sec)\r\n  Full-duplex, 100Mb/s, 100BaseTX/FX\r\n  ARP type: ARPA, ARP Timeout 04:00:00\r\n  Last input 00:00:00, output 00:00:00, output hang never\r\n  Last clearing of \"show interface\" counters never\r\n  Queueing strategy: fifo\r\n  Output queue 0/40, 0 drops; input queue 1/75, 0 drops\r\n  5 minute input rate 2000 bits/sec, 1 packets/sec\r\n  5 minute output rate 1000 bits/sec, 1 packets/sec\r\n     11154 packets input, 1594958 bytes\r\n     Received 9659 broadcasts, 0 runts, 0 giants, 0 throttles

rinehart

ping S 0口不到\r\ncn1700#ping 10.0.0.22\r\n\r\nType escape sequence to abort.\r\nSending 5, 100-byte ICMP Echos to 10.0.0.22, timeout is 2 seconds:\r\n.....\r\nSuccess rate is 0 percent (0/5)

rinehart

是不是本来就应该ping不到呢，那个S 0端口是用HDLC封装的

shaotao27

应该可以ping通啊~~~~~\r\n\r\n链路和协议都起来了，在本地肯定能ping通啊，除非你这个地址是非法地址，要不是广播地址，

rinehart

[quote]原帖由 \"pidan\"]试试serial 1[/quote 发表：\n\r\n\r\nS 0已经 up了啊 。\r\n\r\n而且地址也不是广播地址 ！ 搞不懂啊

whnf

你是从哪儿ping哪个地址啊？