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Cisco 881 router needs to be restarted always

Rommel Pableo
Level 1
Level 1

Hi,

I have a Cisco 881 router wherein everytime a hotel is getting no internet connection, they will just restart the router and all came back to normal. ISP is not an issue here since we are getting connectiong everytime we restart. I tried issuing show interface commands and I cannot see errors on the interface. I suspect this issue is due to high load utilization of the router that requires restarting to return to normal. Please give me some ideas on this.

show interfaces fastEthernet 2

FastEthernet2 is up, line protocol is up

Hardware is Fast Ethernet, address is d0d0.fde7.c70a (bia d0d0.fde7.c70a)

MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,

reliability 255/255, txload 5/255, rxload 1/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 100Mb/s

ARP type: ARPA, ARP Timeout 04:00:00

Last input never, output never, output hang never

Last clearing of "show interface" counters never

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 185000 bits/sec, 172 packets/sec

5 minute output rate 2212000 bits/sec, 234 packets/sec

29612338 packets input, 3259648497 bytes, 0 no buffer

Received 19024 broadcasts, 0 runts, 0 giants, 0 throttles

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

0 input packets with dribble condition detected

38230113 packets output, 1942962425 bytes, 0 underruns

0 output errors, 0 collisions, 2 interface resets

0 unknown protocol drops

0 babbles, 0 late collision, 0 deferred

0 lost carrier, 0 no carrier

0 output buffer failures, 0 output buffers swapped out


show interfaces fastEthernet 4

FastEthernet4 is up, line protocol is up

Hardware is PQII_PRO_UEC, address is d0d0.fde7.c70c (bia d0d0.fde7.c70c)

Internet address is 42.61.215.115/22

MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,

reliability 255/255, txload 1/255, rxload 5/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 100Mb/s, 100BaseTX/FX

ARP type: ARPA, ARP Timeout 04:00:00

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

Last clearing of "show interface" counters never

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 2167000 bits/sec, 225 packets/sec

5 minute output rate 171000 bits/sec, 164 packets/sec

38198543 packets input, 1797012792 bytes

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

6 input errors, 0 CRC, 0 frame, 0 overrun, 6 ignored

0 watchdog

0 input packets with dribble condition detected

29402479 packets output, 3061565945 bytes, 0 underruns

0 output errors, 0 collisions, 4 interface resets

0 unknown protocol drops

0 babbles, 0 late collision, 0 deferred

0 lost carrier, 0 no carrier

0 output buffer failures, 0 output buffers swapped out

17 Replies 17

Hi

i have some idea

1.check for the negotiation of the isp mux to router need to be hardcoded to full duplex because interface resets have happened

2.enable logging server which can provide it is free , we can analze

Rommel Pableo
Level 1
Level 1

hi guys,

just to update you on this. We ended up replacing the router since the customer had also upgraded their Internet speed to 100mbps. About 1-2 weeks already and we never faced any internet issue already.

many thanks for all your help.

Like I said, replace the router.

Thanks for the update.

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