Serial 和cpos 口对接

发布时间:  2014-07-09 浏览次数:  378 下载次数:  0
问题描述
对接后物理up协议down ,接口下有大量的错误包
[AR2200]display interface s1/0/0
Serial1/0/0 current state : UP
Line protocol current state : DOWN
Description:HUAWEI, AR Series, Serial1/0/0 Interface
Route Port,The Maximum Transmit Unit is 1500, Hold timer is 10(sec)
Internet Address is 130.1.20.134/30
Link layer protocol is PPP
LCP stopped
Last physical up time   : 2014-06-11 15:04:53
Last physical down time : 2014-06-11 15:04:48
Current system time: 2014-06-11 15:19:09
Physical layer is synchronous, Virtualbaudrate is 2048000 bps
Interface is DTE, Cable type is V35, Clock mode is RC
Last 300 seconds input rate 2 bytes/sec 16 bits/sec 0 packets/sec
Last 300 seconds output rate 5 bytes/sec 40 bits/sec 0 packets/sec

Input: 973 packets, 15578 bytes
  Broadcast:              0,  Multicast:              0
  Errors:           9924689,  Runts:                  0
  Giants:                 0,  CRC:                    0

  Alignments:             0,  Overruns:               0
  Dribbles:               0,  Aborts:                 0
  No Buffers:             0,  Frame Error:            0

Output: 33563 packets, 1784864 bytes     
  Total Error:            0,  Overruns:               0
  Collisions:             0,  Deferred:               0
  No Buffers:             0
DCD=UP DTR=UP DSR=UP RTS=UP CTS=UP
    Input bandwidth utilization  :    0%
Output bandwidth utilization :    0%
NE 端cpos 的信息:
Serial3/0/0/63:0 current state: up
Line protocol current state: down
  AU-4 1, TUG-3 3, TUG-2 7, E1 3
  Description: To->GuJiaoKuangQuZongYiYuan
  Internet address is 130.1.20.133/30
  The configured MTU is 1500 bytes
  The BandWidth is 1984 Kbits
  The Max HQOS BandWidth is 1984 Kbits
  Link-protocol is PPP, loopback not set, clock source master, urpf disabled
  MRU: 1500 bytes, Negotiate Timeout set 3 seconds
  LCP: Stopped
     Input: 457 Lcps, 59 Ipcps, 0 Ip6cps, 0 Mplscps, 0 Osicps, 78 Invalids
     Output:311900 Lcps, 127 Ipcps, 0 Ip6cps, 289 Mplscps, 0 Osicps, 0 Invalids
  Hold time is 10 (sec)
    Input: 179 Timerhold Packets
    Output:302 Timerhold Packets
  Last 5 minutes input rate 5 bytes/sec, 0 packets/sec
  Last 5 minutes output rate 5 bytes/sec, 0 packets/sec
    Input: 6623333 packets, 11231624 bytes
           6232640 errors, 118255 CRC, 116 giants
    Output:312323 packets, 5616326 bytes, 0 underruns
           0 CRC, 0 aborted sequences, 0 giants
告警信息
处理过程
处理方式:在对端E1-F接口修改为非成帧的模式。
fe1 unframed

undo fe1 unframed,将本端的, Virtualbaudrate is 2048000 bps 和对端的BandWidth is 1984 Kbits修改一致
根因
不同端口参数协商的问题
建议与总结
1、需要使用协议转换器;
2、注意两端CRC的配置是否一致;
3、一般Serial 和NE的CPOS口对接都是用的E1或者CE1板卡

END