Cisco 3560 keeps hanging

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Oct 22nd, 2007
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I have a cisco 3560 which hangs. I am able to ping the switch and connect via snmp to see some of the information but cannot telnet to it. Users are losing connections. I am running the following version of software - Cisco IOS Software, C3560 Software (C3560-IPBASE-M), Version 12.2(25)SEE2, RELEASE SOFTWARE (fc1). any assistance would be appreciated.

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lgijssel Mon, 10/22/2007 - 00:07
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Please post the output from the boot sequence including the self test (POST).

Any errors there? If so, you may have a hardware problem.


Leo

ron_mckie Mon, 10/22/2007 - 03:09
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Hi Leo


Don't have the boot sequence output as the switch is running.


Details from POST


Stored system POST messages:


Switch 1

---------


POST: CPU MIC register Tests : Begin

POST: CPU MIC register Tests : End, Status Passed


POST: PortASIC Memory Tests : Begin

POST: PortASIC Memory Tests : End, Status Passed


POST: CPU MIC PortASIC interface Loopback Tests : Begin

POST: CPU MIC PortASIC interface Loopback Tests : End, Status Passed


POST: PortASIC RingLoopback Tests : Begin

POST: PortASIC RingLoopback Tests : End, Status Passed


POST: PortASIC CAM Subsystem Tests : Begin

POST: PortASIC CAM Subsystem Tests : End, Status Passed


POST: PortASIC Port Loopback Tests : Begin

POST: PortASIC Port Loopback Tests : End, Status Passed


Also some errors from the logging


Log Buffer (4096 bytes):

x0055F278 SRR3 = 0x00021000

00:03:34: %PLATFORM-1-CRASHED: ESR = 0x00000000 DEAR = 0x00000000 TSR = 0x8C000000 DBSR = 0x10000000

00:03:34: %PLATFORM-1-CRASHED:

00:03:34: %PLATFORM-1-CRASHED: CPU Register Context:

00:03:34: %PLATFORM-1-CRASHED: Vector = 0x00002000 PC = 0x008D33F8 MSR = 0x00029210 CR = 0x35000035

00:03:34: %PLATFORM-1-CRASHED: LR = 0x008D3320 CTR = 0x001DD03C XER = 0xC0000063

00:03:34: %PLATFORM-1-CRASHED: R0 = 0x00000000 R1 = 0x03447C40 R2 = 0x00000000 R3 = 0x00000000

00:03:34: %PLATFORM-1-CRASHED: R4 = 0xFFFFFFFE R5 = 0x00000000 R6 = 0x03447C18 R7 = 0x00000000

00:03:34: %PLATFORM-1-CRASHED: R8 = 0x00029210 R9 = 0x015D0000 R10 = 0x018E9588 R11 = 0x00000000

00:03:34: %PLATFORM-1-CRASHED: R12 = 0xA0000000 R13 = 0x00110000 R14 = 0x0000000A R15 = 0x00000002

00:03:34: %PLATFORM-1-CRASHED: R16 = 0x00000001 R17 = 0x015D0000 R18 = 0x0335B474 R19 = 0x00000002

00:03:34: %PLATFORM-1-CRASHED: R20 = 0x01CEA9C8 R21 = 0x05F1145C R22 = 0x000BB095 R23 = 0x01EA3854

00:03:34: %PLATFORM-1-CRASHED: R24 = 0x00000000 R25 = 0x00DFBD04 R26 = 0x000BB095 R27 = 0x01EA3054

00:03:34: %PLATFORM-1-CRASHED: R28 = 0x0149A754 R29 = 0x014A6A9C R30 = 0x00000000 R31 = 0x01EA3024

00:03:34: %PLATFORM-1-CRASHED:

00:03:34: %PLATFORM-1-CRASHED: Stack trace:

00:03:34: %PLATFORM-1-CRASHED: PC = 0x008D33F8, SP = 0x03447C40

00:03:34: %PLATFORM-1-CRASHED: Frame 00: SP = 0x03447C50 PC = 0x008D32F8

00:03:34: %PLATFORM-1-CRASHED: Frame 01: SP = 0x03447C78 PC = 0x00E3D834

00:03:34: %PLATFORM-1-CRASHED: Frame 02: SP = 0x03447CA8 PC = 0x00E35EE4

00:03:34: %PLATFORM-1-CRASHED: Frame 03: SP = 0x03447CE8 PC = 0x00DFBD08

00:03:34: %PLATFORM-1-CRASHED: Frame 04: SP = 0x03447D30 PC = 0x00D81080

00:03:34: %PLATFORM-1-CRASHED: Frame 05: SP = 0x03447D90 PC = 0x00D5F9BC

00:03:34: %PLATFORM-1-CRASHED: Frame 06: SP = 0x03447DF8 PC = 0x00D52CC4

00:03:34: %PLATFORM-1-CRASHED: Frame 07: SP = 0x03447E40 PC = 0x00D78528

00:03:34: %PLATFORM-1-CRASHED: Frame 08: SP = 0x03447E48 PC = 0x008D5124

00:03:34: %PLATFORM-1-CRASHED: Frame 09: SP = 0x00000000 PC = 0x008CB6EC

00:03:34: %PLATFORM-1-CRASHED:


The system seems to have rebooted itself and is working OK at the moment. The hanging happened on another switch which we then replaced with the current one. This one has worked fine for several months but now has started hanging.


Ron

lgijssel Mon, 10/22/2007 - 03:22
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If two devices are showing the same problem this is likely a configuration issue.


Any policing active on this switch?

Perhaps other (unusual) configuration settings that may affect performance?


Leo

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