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Flapping POS Interface on Frame-relay between a Juniper and Cisco
From: Righa Shake <righa.shake () gmail com>
Date: Sat, 19 Nov 2011 19:11:49 +0300

Hi,

Am having a problem that is buffling.

I recently changed a POS link encapsulation from PPP to Frame-relay.
Since that time the POS interface keeps resetting from time to time.

On my BGP session am receiving cease notifications from my upstream
provider.

The setup is such that we have a cisco on one end and a Juniper on the
other.

interface POS0/0/0
 mtu 4474
 no ip address
 no ip unreachables
 encapsulation frame-relay
 logging event link-status
 crc 32
 pos scramble-atm
 frame-relay lmi-type ansi
end

ROUTERshow run int pos0/0/0.101
Building configuration...


!
interface POS0/0/0.101 point-to-point
ip address X.X.X.X 255.255.255.252
frame-relay interface-dlci 101
end

ROUTER#show int pos0/0/0
POS0/0/0 is up, line protocol is up
  Hardware is SPA-2XOC12-POS
  MTU 4474 bytes, BW 622000 Kbit/sec, DLY 100 usec,
     reliability 255/255, txload 6/255, rxload 38/255
  Encapsulation FRAME-RELAY, crc 32, loopback not set
  Keepalive set (10 sec)
  Scramble enabled
  LMI enq sent  81981, LMI stat recvd 77480, LMI upd recvd 0, DTE LMI up
  LMI enq recvd 0, LMI stat sent  0, LMI upd sent  0
  LMI DLCI 0  LMI type is ANSI Annex D  frame relay DTE  segmentation
inactive
  FR SVC disabled, LAPF state down
  Broadcast queue 0/256, broadcasts sent/dropped 26/0, interface broadcasts
0
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters 1w2d
  Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 94336000 bits/sec, 13151 packets/sec
  5 minute output rate 16470000 bits/sec, 7049 packets/sec
     12211574207 packets input, 10967607038364 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     6970870 runts, 2179 giants, 0 throttles
              0 parity
     892493293 input errors, 882184781 CRC, 0 frame, 0 overrun, 0 ignored,
3335463 abort
     6379191154 packets output, 1614018181446 bytes, 0 underruns
     0 output errors, 0 applique, 4 interface resets
     0 unknown protocol drops
     0 output buffer failures, 0 output buffers swapped out
     0 carrier transitions


Any assistance on this will be greatly appreciated.


Regards,
Righa Shake


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