DLSW peers - HEAVY traffic

From: Jason Cash (cash2001@swbell.net)
Date: Mon Jun 23 2003 - 21:22:59 GMT-3


I am setting up DLSW backup peers and I am seeing a tremendous amount of
traffic from the minute the peers are established. I don't believe that
DLSW causes this much traffic (almost saturating 128k link). Does any have
any suggestions as to what it could be? There is nearly 16000 pkts in 5
minutes and no circuits are even est:

(e0)R5(s0.100)-------(s0/0)R4(F0/0)

r4#sh dlsw peer

Peers: state pkts_rx pkts_tx type drops ckts TCP
uptime

 TCP 192.168.5.5 CONNECT 15829 1769 conf 0 0 0
00:04:28

 TCP 192.168.6.6 DISCONN 4 0 conf 0 0 -
-

Total number of connected peers: 1

Total number of connections: 1

r4#sh dlsw circuits

R5

r5# sh int s0

Serial0 is up, line protocol is up

  Hardware is HD64570

  MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,

     reliability 255/255, txload 19/255, rxload 19/255

  Encapsulation FRAME-RELAY, loopback not set

  Keepalive set (10 sec)

  LMI enq sent 32, LMI stat recvd 32, LMI upd recvd 0, DTE LMI up

  LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0

  LMI DLCI 1023 LMI type is CISCO frame relay DTE

  FR SVC disabled, LAPF state down

  Broadcast queue 0/64, broadcasts sent/dropped 52/0, interface broadcasts
29

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

  Last clearing of "show interface" counters 00:05:25

  Input queue: 21/75/0/0 (size/max/drops/flushes); Total output drops: 15668

  Queueing strategy: fifo

  Output queue :39/40 (size/max)

  30 second input rate 119000 bits/sec, 74 packets/sec

  30 second output rate 120000 bits/sec, 73 packets/sec

     18401 packets input, 3761952 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

     21707 packets output, 4469985 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

R5#sh log

2d22h: IP: s=192.168.4.4 (Serial0.100), d=192.168.5.5, len 203, rcvd 4

2d22h: UDP src=0, dst=2067

2d22h: IP: s=192.168.4.4 (Serial0.100), d=192.168.5.5, len 203, rcvd 4

2d22h: UDP src=0, dst=2067

2d22h: IP: s=192.168.5.5 (local), d=192.168.4.4 (Serial0.100), len 203,
sending

2d22h: UDP src=0, dst=2067

2d22h: IP: s=192.168.5.5 (local), d=192.168.4.4 (Serial0.100), len 203,
sending

2d22h: UDP src=0, dst=2067

2d22h: IP: s=192.168.5.5 (local), d=192.168.4.4 (Serial0.100), len 203,
sending

2d22h: UDP src=0, dst=2067

2d22h: IP: s=192.168.5.5 (local), d=192.168.4.4 (Serial0.100), len 203,
sending

2d22h: UDP src=0, dst=2067

2d22h: IP: s=192.168.5.5 (local), d=192.168.4.4 (Serial0.100), len 203,
sending

r5#sh dlsw peer

Peers: state pkts_rx pkts_tx type drops ckts TCP
uptime

 TCP 192.168.4.4 CONNECT 3103 26703 conf 0 0 0
00:06:57

Total number of connected peers: 1

Total number of connections: 1

hostname r4

!

dlsw local-peer peer-id 192.168.4.4 promiscuous

dlsw remote-peer 0 tcp 192.168.5.5

dlsw remote-peer 0 tcp 192.168.6.6 backup-peer 192.168.5.5

dlsw bridge-group 1

hostname r5

!

dlsw local-peer peer-id 192.168.5.5

dlsw remote-peer 0 tcp 192.168.4.4

dlsw bridge-group 1



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