01-12-2009 09:32 PM - edited 03-04-2019 03:26 AM
Hi I am having problem with one of the legacy routers in my network. One of the E1 Controllers. The following are the output of the sh int des and show int serial commands.
MVAS3660_PQUE#sh int se4/0:1
Serial4/0:1 is reset, line protocol is down
Hardware is DSX1
Description: *** Oxford ***
Internet address is ***.***.***.***
MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Closed, loopback not set
Keepalive set (10 sec)
Last input 28w5d, output 1d21h, output hang never
Last clearing of "show interface" counters 5w5d
Input queue: 0/75/32/0 (size/max/drops/flushes); 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)
Available Bandwidth 48 kilobits/sec
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, 11 runts, 0 giants, 0 throttles
32 input errors, 6 CRC, 27 frame, 0 overrun, 0 ignored, 11 abort
672930 packets output, 9421020 bytes, 109 underruns
109 output errors, 0 collisions, 185182 interface resets
0 output buffer failures, 0 output buffers swapped out
7 carrier transitions
CHannelized E1 Config
controller E1 4/0
framing NO-CRC4
channel-group 0 timeslots 5-8
channel-group 1 timeslots 1
channel-group 2 timeslots 2
description *** Channelized E1 ***
Please also take note that all the serial interfaces i have on this E1 are in reset status.
Se2/6 down down *** MMO ***
Se4/0:0 reset down *** 256 kbps link ***
Se4/0:1 reset down *** Oxford ***
Se4/0:2 reset down *** CTI ***
01-12-2009 09:35 PM
The router by the way is a CISCO 3660
01-14-2009 01:15 AM
Hi,
Interface reset seems to be problem with physical interface try to connect working/Error free E1/T1 to the same port which you are finding interface reset,If so then confirmed Physical port issue.(give a shut and noshut and see wheather resets are increasing )
hth
ujil
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