ru.cisco

 
 - RU.CISCO ---------------------------------------------------------------------
 From : Artem Nefedov                        2:5020/400     15 Dec 2006  20:01:22
 To : All
 Subject : cisco 1841 & cisco 805
 -------------------------------------------------------------------------------- 
 

 
 Hi All!
 
 Есть cisco1841 с модулем WIC-1T подключенная по V35 к провайдерскому Keymile
 UMUX 1500. Интерфейс поднимается, а вот line protocol почему-то down :( И
 при этом на UMUX горит красная лампочка аварии. А вот если к этому же UMUX
 подключаю cisco805 все заводится с полоборота, все аварии отбиваются, и
 интерфейс и line protocol up.
 Конфиги практически одинаковые:
 cisco 1841:
  Router#sh run
 Building configuration...
 
 Current configuration : 841 bytes
 !
 version 12.4
 service timestamps debug datetime msec
 service timestamps log datetime msec
 no service password-encryption
 !
 hostname Router
 !
 boot-start-marker
 boot-end-marker
 !
 no aaa new-model
 !
 resource policy
 !
 mmi polling-interval 60
 no mmi auto-configure
 no mmi pvc
 mmi snmp-timeout 180
 ip subnet-zero
 ip cef
 !
 interface Loopback0
  ip address 81.x.x.146 255.255.255.255
 !
 interface FastEthernet0/0
  no ip address
  shutdown
  duplex auto
  speed auto
 !
 interface FastEthernet0/1
  no ip address
  shutdown
  duplex auto
  speed auto
 !
 interface Serial0/0/0
  ip unnumbered Loopback0
  encapsulation ppp
 !
 ip classless
 ip route 0.0.0.0 0.0.0.0 Serial0/0/0
 !
 ip http server
 no ip http secure-server
 !
 control-plane
 !
 line con 0
 line aux 0
 line vty 0 4
  login
 !
 end
 
 cisco1841 sh intRouter#sh int s0/0/0
 Serial0/0/0 is up, line protocol is down
   Hardware is GT96K Serial
   Interface is unnumbered. Using address of Loopback0 (81.x.x.146)
   MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
      reliability 255/255, txload 1/255, rxload 1/255
   Encapsulation PPP, LCP ACKsent, loopback not set
   Keepalive set (10 sec)
   Last input 00:00:01, output 00:00:00, output hang never
   Last clearing of "show interface" counters 00:04:02
   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)
      Available Bandwidth 1158 kilobits/sec
   5 minute input rate 0 bits/sec, 0 packets/sec
   5 minute output rate 0 bits/sec, 0 packets/sec
      62 packets input, 1116 bytes, 0 no buffer
      Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
      151 packets output, 2362 bytes, 0 underruns
      0 output errors, 0 collisions, 15 interface resets
      0 output buffer failures, 0 output buffers swapped out
      0 carrier transitions
      DCD=up  DSR=up  DTR=up  RTS=up  CTS=up
 
 cisco805:
 Router#sh run
 Building configuration...
 
 Current configuration : 544 bytes
 !
 version 12.2
 no service pad
 service timestamps debug datetime msec
 service timestamps log datetime msec
 no service password-encryption
 !
 hostname Router
 !
 logging queue-limit 100
 !
 ip subnet-zero
 no ip domain lookup
 !
 !
 !
 !
 interface Loopback0
  ip address 81.x.x.146 255.255.255.255
 !
 interface Ethernet0
  ip address 192.168.5.2 255.255.255.0
  shutdown
 !
 interface Serial0
  ip unnumbered Loopback0
  encapsulation ppp
 !
 ip classless
 ip route 0.0.0.0 0.0.0.0 Serial0
 no ip http server
 !
 !
 !
 line con 0
  stopbits 1
 line vty 0 4
  login
 !
 end
 
 сisco 805 sh int:
 Router#sh int s0
 Serial0 is up, line protocol is up
   Hardware is PowerQUICC Serial
   Interface is unnumbered. Using address of Loopback0 (81.x.x.146)
   MTU 1500 bytes, BW 512 Kbit, DLY 20000 usec,
      reliability 255/255, txload 19/255, rxload 19/255
   Encapsulation PPP, LCP Open
   Listen: CDPCP
   Open: IPCP, loopback not set
   Last input 00:00:00, output 00:00:00, output hang never
   Last clearing of "show interface" counters 00:20:44
   Input queue: 1/75/0/0 (size/max/drops/flushes); Total output drops: 0
   Queueing strategy: weighted fair
   Output queue: 0/1000/64/0 (size/max total/threshold/drops)
      Conversations  0/3/128 (active/max active/max total)
      Reserved Conversations 0/0 (allocated/max allocated)
      Available Bandwidth 384 kilobits/sec
   5 minute input rate 39000 bits/sec, 36 packets/sec
   5 minute output rate 39000 bits/sec, 36 packets/sec
      27887 packets input, 4325465 bytes, 0 no buffer
      Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
      27996 packets output, 4326641 bytes, 0 underruns
      0 output errors, 0 collisions, 0 interface resets
      0 output buffer failures, 0 output buffers swapped out
      0 carrier transitions
      DCD=up  DSR=up  DTR=up  RTS=up  CTS=up
 
 Еще заметил что если на 1841 на сериал интерфейсе сказать ppp lcp predict то
 line protocol становится up, но ошибки на UMUX не отбиваются и
 соответтсвенно пинги не идут. Подскажите плз что такое может быть с 1841?
 Пакеты на интерфейсе есть как входящие, так и исходящие, значит интерфейс и
 кабель живой, значит что-то в конфиге не так?
 -- 
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