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BGP getting reestablished

satya mothukuri
Level 1
Level 1

Hi All,

i Am having a problem at one of my site, for every 2 hrs GBP is reestablished. i found the

log in router:

Dec 13 07:41:55.507 CST: %FW-6-DROP_PKT: Dropping tcp session 10.158.186.6:4466129.33.160.116:443  due to  RST inside current window with ip ident 13936 tcpfla

gs 0x5014 seq.no 176036935 ack 910026889

interface status:


r06154#sh int serial 0/0/0

Serial0/0/0 is up, line protocol is up

  Hardware is GT96K with integrated T1 CSU/DSU

  Description: RETAIL-QWEST-R06154-PPP ITLNB07-12941550.01-04/DS1-13178099

  Internet address isX.X.X.X/30

  MTU 1500 bytes, BW 1536 Kbit/sec, DLY 20000 usec,

     reliability 255/255, txload 5/255, rxload 3/255

  Encapsulation PPP, LCP Open

  Listen: CDPCP

  Open: IPCP, loopback not set

  Keepalive set (10 sec)

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters 04:31:17

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 244

  Queueing strategy: Class-based queueing

  Output queue: 0/1000/0 (size/max total/drops)

  30 second input rate 22000 bits/sec, 28 packets/sec

  30 second output rate 31000 bits/sec, 40 packets/sec

     354231 packets input, 67088630 bytes, 0 no buffer

     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

     99 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 99 abort

     527675 packets output, 95470135 bytes, 0 underruns

     0 output errors, 0 collisions, 2 interface resets

     0 unknown protocol drops

     0 output buffer failures, 0 output buffers swapped out

     10 carrier transitions

     DCD=up  DSR=up  DTR=up  RTS=up  CTS=up

there are drops and errors.

BGP status:

BGP using 1296 total bytes of memory

BGP activity 24/20 prefixes, 67/63 paths, scan interval 60 secs

Neighbor        V          AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/

PfxRcd

X.X.X.X   4        209   49736    1628      131    0   0 01:45:20

due to that drops i dont think BGP will get effected.

Please suggest me

Regards,

Satya.M

2 Replies 2

satya mothukuri
Level 1
Level 1

Still am betting this problem....plz support

Hello

according to your

sh int serial 0/0/0  you have 10 carrier transition  it mean that  you have 10 interruption in your line , that causing bgp lose peering , you need to check physical and connectivity line