Cisco路由器我配置了两个口，为什么ping不到其中一个？

rinehart

interface Serial0
ip address 10.0.0.22 255.255.255.252
!
interface Serial1
no ip address
shutdown
!
interface FastEthernet0
ip address 172.18.0.254 255.255.254.0
speed auto

rinehart

cn1700#show interfaces serial 0
Serial0 is up, line protocol is up
  Hardware is PowerQUICC Serial
  Internet address is 10.0.0.22/30
  MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
     reliability 141/255, txload 1/255, rxload 1/255
  Encapsulation HDLC, loopback not set
  Keepalive set (10 sec)
  Last input never, output 00:00:08, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: weighted fair
  Output queue: 0/1000/64/0 (size/max total/threshold/drops)
     Conversations  0/1/256 (active/max active/max total)
     Reserved Conversations 0/0 (allocated/max allocated)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     0 packets input, 0 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     7041658 input errors, 0 CRC, 24 frame, 0 overrun, 0 ignored, 7041651 abort
     6025 packets output, 233382 bytes, 0 underruns

rinehart

cn1700#show interfaces fastEthernet 0
FastEthernet0 is up, line protocol is up
  Hardware is PQUICC_FEC, address is 0002.1761.fcfa (bia 0002.1761.fcfa)
  Internet address is 172.18.0.254/23
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 100Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters never
  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 1/75, 0 drops
  5 minute input rate 2000 bits/sec, 1 packets/sec
  5 minute output rate 1000 bits/sec, 1 packets/sec
     11154 packets input, 1594958 bytes
     Received 9659 broadcasts, 0 runts, 0 giants, 0 throttles

rinehart

ping S 0口不到
cn1700#ping 10.0.0.22

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.22, timeout is 2 seconds:
.....
Success 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

pidan

试试serial 1

shaotao27

应该可以ping通啊~~~~~

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：


S 0已经 up了啊 。

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？