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nyein chan tun
Beginner

Cisco 881 router has problem late collision error

Hi all,

      I faced the problem that my cisco 881 routers has configure already and line is up between ISP , and also can use internet from internal users.

But when i checked on the router, every 10 secs i found that error messages.

Feb 23 05:43:28.047: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Lat
Feb 23 05:43:29.679: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:43:29.723: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:43:29.727: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:44:25.419: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:44:33.563: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:44:34.015: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:44:46.727: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision

Sometime network is down and cannot bring up to network connection.

this is my IOS version.

Cisco IOS Software, C880 Software (C880DATA-UNIVERSALK9-M), Version 15.0(1)M4, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Fri 29-Oct-10 00:02 by prod_rel_team

ROM: System Bootstrap, Version 12.4(22r)YB5, RELEASE SOFTWARE (fc1)

TGSrouter uptime is 59 minutes
System returned to ROM by power-on
System restarted at 12:52:07 utc Wed Feb 23 2011
System image file is "flash:c880data-universalk9-mz.150-1.M4.bin"
Last reload type: Normal Reload


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and
Feb 23 05:51:09.295: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision
Feb 23 05:51:10.071: %PQII_PRO_FE-5-LATECOLL: PQII_PRO/FE(4), Late collision regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html you require further assistance please contact us by sending email to
export@cisco.com. 881 (MPC8300) processor (revision 1.0) with 236544K/25600K bytes of memory.
Processor board ID FHK150273SN

If

Cisco

5 FastEthernet interfaces
1 Virtual Private Network (VPN) Module
256K bytes of non-volatile configuration memory.
125440K bytes of ATA CompactFlash (Read/Write)


License Info:

License UDI:

-------------------------------------------------
Device#   PID                   SN
-------------------------------------------------
*0        CISCO881-K9           FHK150273SN

License Information for 'c880-data'
    License Level: advsecurity   Type: Permanent
    Next reboot license Level: advsecurity


Configuration register is 0x2102

-#- --length-- -----date/time------ path
1     28461436 Mar 01 1984 00:01:00 c880data-universalk9-mz.150-1.M4.bin
2         3331 Jan 05 2011 12:27:48 cpconfig-8xx.cfg
3      2941440 Jan 05 2011 12:28:04 cpexpress.tar
4         1038 Jan 05 2011 12:28:14 home.shtml
5       115712 Jan 05 2011 12:28:40 home.tar
6      1697952 Jan 05 2011 12:28:56 securedesktop-ios-3.1.1.45-k9.pkg
7       415956 Jan 05 2011 12:29:08 sslclient-win-1.1.4.176.pkg

94633984 bytes available (33652736 bytes used)

I used IP address for WAN port fe4 and for internal, use vlan 1 with public ip range.

Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0              unassigned      YES unset  up                    up 
FastEthernet1              unassigned      YES unset  down                  down
FastEthernet2              unassigned      YES unset  up                    up 
FastEthernet3              unassigned      YES unset  down                  down
FastEthernet4              123.123.123.123 YES NVRAM  up                    up 
Vlan1                      210.210.210.210  YES NVRAM  up                    up


router#sh int f4
FastEthernet4 is up, line protocol is up
  Hardware is PQII_PRO_UEC, address is e05f.b9b9.4a88 (bia e05f.b9b9.4a88)
  Description: WAN link to Singtel
  Internet address is 123.123.123.123 /30
  MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
     reliability 249/255, txload 1/255, rxload 4/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Half-duplex, 100Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:05, 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 1644000 bits/sec, 150 packets/sec
  5 minute output rate 131000 bits/sec, 132 packets/sec
     398671 packets input, 488595441 bytes
     Received 4 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog
     0 input packets with dribble condition detected
     325927 packets output, 43881552 bytes, 0 underruns
     21202 output errors, 14801 collisions, 3 interface resets
     0 unknown protocol drops
     0 babbles, 261 late collision, 20983 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

There has so many output errors , and I configure very simple and just use default route.

Please suggest me what should I do to solve this problem .

Thanks a lot

1 REPLY 1
Roman Rodichev
Rising star

if I had a penny for each time I see this issue, I'd be rich

your port is auto negotiated to Half duplex. This happens when one side is set to auto duplex and the other side is set to manual half or full duplex. This also happens if your port is connected to a hub. Try setting your interface to "duplex full" and "speed 100", the collisions should go away. The interface will bounce when you do this.