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I have this alert : %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to down.
It's comming at different time and not regularly. I have test it with a 2620 and 2620XM. It's the same problem. We have test it with 2 version 12.2(17a) on 2620XM and 12.2(3b) see below
Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-I-M), Version 12.2(3b), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Thu 25-Oct-01 22:38 by pwade
Image text-base: 0x80008088, data-base: 0x8097C0FC
ROM: System Bootstrap, Version 12.2(6r), RELEASE SOFTWARE (fc1)
Gaci2620 uptime is 5 hours, 11 minutes
System returned to ROM by power-on
System restarted at 10:33:02 France Wed Jul 9 2003
System image file is "flash:c2600-i-mz.122-3b.bin"
cisco 2620 (MPC860) processor (revision 0x00) with 26624K/6144K bytes of memory.
Processor board ID JAD06210LTZ (1527763399)
M860 processor: part number 0, mask 49
Channelized E1, Version 1.0.
X.25 software, Version 3.0.0.
Primary Rate ISDN software, Version 1.1.
1 FastEthernet/IEEE 802.3 interface(s)
31 Serial network interface(s)
1 Channelized E1/PRI port(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read/Write)
Configuration register is 0x0 (will be 0x2102 at next reload)
Do you think it's a problem on HSRP ?
ip address X.X.X.X 255.255.0.0
no cdp enable
standby ip 10.1.1.1
standby priority 200
More than likely you have an issue with hardware , can you paste in a sh int f0/0 from the router and a sh port or sh interface & sh ver from the switch it is connected to
Counters Table of the Switch(not cisco)
Drop Events 0
CRC/Alignment Errors 2
Undersize Packets 0
Oversize Packets 0
Total Packets 1268268752
Total Octets 2288901892
64 Octets 625565685
Gaci2620#sh int f 0/0
FastEthernet0/0 is up, line protocol is up
Hardware is AmdFE, address is 0009.b7f4.9a00 (bia 0009.b7f4.9a00)
Internet address is X.X.X.X/16
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
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
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 31 drops
5 minute input rate 19000 bits/sec, 28 packets/sec
5 minute output rate 2000 bits/sec, 2 packets/sec
573534 packets input, 47068603 bytes
Received 517133 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
63198 packets output, 8779459 bytes, 0 underruns(0/0/0)
0 output errors, 0 collisions, 6 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
I have the same architecture with router 3640 and I use straight cable, but for 2620 or 2620XM it's neccessary to use Cross cable. Strange No ?
Slot No. 6
Serial No. 01470002050F
Firmware Rev 05.02.03
BOOT Rev 03.03.01
Operation Mode 802.1Q Switching
System Descr Enterasys Networks 6H303-48 Rev 05.02.03 01/11/02--13:37 ofc
System Uptime 248 days, 13:13:56
The port was previously use by router 7507 for more 5fyears and there no problem on it.
What do you think about HSRP disturb ?
I do not think it is a problem with HSRP , htis would not cause protocol to bounce , is there any logs on the directly connected switch , Can you see if the port on that switch is losing carrier ? Another possiblility is the FE is getting hammered with traffic and this is causing the protocole to drop, you could be having a spanning tree loop or a broadcast storm that is causing the protocol to drop
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