Newbie Q: Configuring serial interfaces - one works but not the other

Discussion in 'Cisco' started by Voitec, Dec 16, 2003.

  1. Voitec

    Voitec Guest

    Hi,

    Any help on the below will be appreciated. I tried to have the same configs
    for the interfaces and the DCE ends are on the 2504 router but I'm still
    having some dramas.

    Here's my output from the 2 routers:
    *************************************************************
    2504:
    interface Serial0
    ip address 192.168.38.40 255.255.255.0
    encapsulation ppp
    bandwidth 64
    no fair-queue << what's this and how to get rid of it if necessary?
    clockrate 64000
    !
    interface Serial1
    ip address 172.16.120.120 255.255.255.0
    encapsulation ppp
    bandwidth 64
    clockrate 64000

    Router#sh int s0
    Serial0 is up, line protocol is up
    Hardware is HD64570
    Internet address is 192.168.38.40/24
    MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec, rely 255/255, load 1/255
    Encapsulation PPP, loopback not set, keepalive set (10 sec)
    LCP Open
    Open: IPCP, CDPCP
    Last input 00:00:02, output 00:00:02, 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
    257 packets input, 12482 bytes, 0 no buffer
    Received 257 broadcasts, 0 runts, 0 giants, 0 throttles
    0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
    258 packets output, 9294 bytes, 0 underruns
    0 output errors, 0 collisions, 9 interface resets
    0 output buffer failures, 0 output buffers swapped out
    8 carrier transitions
    DCD=up DSR=up DTR=up RTS=up CTS=up

    Router#sh int s1
    Serial1 is up, line protocol is down
    Hardware is HD64570
    Internet address is 172.16.120.120/24
    MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec, rely 255/255, load 1/255
    Encapsulation PPP, loopback not set, keepalive set (10 sec)
    LCP REQsent
    Closed: IPCP, CDPCP
    Last input never, output 00:00:00, output hang never
    Last clearing of "show interface" counters never
    Input queue: 0/75/0 (size/max/drops); 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
    0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
    191 packets output, 3541 bytes, 0 underruns
    0 output errors, 0 collisions, 57 interface resets
    0 output buffer failures, 0 output buffers swapped out
    112 carrier transitions
    DCD=up DSR=up DTR=up RTS=up CTS=up

    *************************************************************
    2503:
    interface Serial0
    bandwidth 512
    ip address 172.16.120.119 255.255.255.0
    no ip directed-broadcast << what's this and how to get rid of it if
    necessary?
    encapsulation ppp
    no ip mroute-cache << what's this and how to get rid of it if
    necessary?
    !
    interface Serial1
    bandwidth 512
    ip address 192.168.38.41 255.255.255.0
    no ip directed-broadcast << what's this and how to get rid of it if
    necessary?
    encapsulation ppp


    Cisco2503#sh int s0
    Serial0 is up, line protocol is down
    Hardware is HD64570
    Internet address is 172.16.120.119/24
    MTU 1500 bytes, BW 512 Kbit, DLY 20000 usec, rely 255/255, load 1/255
    Encapsulation PPP, loopback not set, keepalive set (10 sec)
    LCP ACKsent
    Closed: IPCP, CDPCP
    Last input 00:00:01, output 00:00:01, output hang never
    Last clearing of "show interface" counters never
    Input queue: 0/75/0 (size/max/drops); Total output drops: 0
    Queueing strategy: weighted fair
    Output queue: 0/1000/64/0 (size/max total/threshold/drops)
    Conversations 0/2/256 (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
    113 packets input, 1582 bytes, 0 no buffer
    Received 35 broadcasts, 0 runts, 0 giants, 0 throttles
    0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
    228 packets output, 4772 bytes, 0 underruns
    0 output errors, 0 collisions, 49 interface resets
    0 output buffer failures, 0 output buffers swapped out
    101 carrier transitions
    DCD=up DSR=up DTR=up RTS=up CTS=up

    Cisco2503#sh int s1
    Serial1 is up, line protocol is up
    Hardware is HD64570
    Internet address is 192.168.38.41/24
    MTU 1500 bytes, BW 512 Kbit, DLY 20000 usec, rely 255/255, load 1/255
    Encapsulation PPP, loopback not set, keepalive set (10 sec)
    LCP Open
    Open: IPCP, CDPCP
    Last input 00:00:03, output 00:00:03, output hang never
    Last clearing of "show interface" counters never
    Input queue: 0/75/0 (size/max/drops); 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
    244 packets input, 8809 bytes, 0 no buffer
    Received 5 broadcasts, 0 runts, 0 giants, 0 throttles
    1 input errors, 1 CRC, 0 frame, 0 overrun, 0 ignored, 1 abort
    244 packets output, 12010 bytes, 0 underruns
    0 output errors, 0 collisions, 5 interface resets
    0 output buffer failures, 0 output buffers swapped out
    6 carrier transitions
    DCD=up DSR=up DTR=up RTS=up CTS=up


    Can someone pls advise why one of the serials is down?

    Thanks,
    Voitec
     
    Voitec, Dec 16, 2003
    #1
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