Hello,
We have a Cisco 2811 running IOS version 15.0M(1). We have been noticing multiple input, frame, overrun errors on the multilink interface but none on the two serial interfaces. I'll display some commands I issued below. Can you tell me if this is a hardware, software or provider issue?
NY2811#sh int multilink 1
Multilink1 is up, line protocol is up
Hardware is multilink group interface
Description: Primary WAN link
Internet address is x.x.x.x/30
MTU 1500 bytes, BW 3072 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 40/255, rxload 39/255
Encapsulation PPP, LCP Open, multilink Open
Open: IPCP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 2 seconds on reset
Last input 00:00:00, output never, output hang never
Last clearing of "show interface" counters 1d00h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 478000 bits/sec, 284 packets/sec
5 minute output rate 487000 bits/sec, 282 packets/sec
12825903 packets input, 2843869655 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
108796 input errors, 0 CRC, 107987 frame, 809 overrun, 0 ignored, 0 abort
12443765 packets output, 2655074326 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
NY2811#sh int s0/0/0
Serial0/0/0 is up, line protocol is up
Hardware is GT96K with integrated T1 CSU/DSU
Description: First T1
MTU 1500 bytes, BW 1536 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 25/255, rxload 27/255
Encapsulation PPP, LCP Open, multilink Open
Link is a member of Multilink bundle Multilink1, 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 1d00h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 163000 bits/sec, 82 packets/sec
5 minute output rate 155000 bits/sec, 80 packets/sec
6461925 packets input, 1503757355 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
6241892 packets output, 1329049826 bytes, 0 underruns
0 output errors, 0 collisions, 177 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
NY2811#sh int s0/1/0
Serial0/1/0 is up, line protocol is up
Hardware is GT96K with integrated T1 CSU/DSU
Description: Second T1
MTU 1500 bytes, BW 1536 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 23/255, rxload 23/255
Encapsulation PPP, LCP Open, multilink Open
Link is a member of Multilink bundle Multilink1, 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 1d00h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 144000 bits/sec, 74 packets/sec
5 minute output rate 139000 bits/sec, 73 packets/sec
6463749 packets input, 1503783785 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
6243632 packets output, 1329901349 bytes, 0 underruns
0 output errors, 0 collisions, 178 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
