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HIGH CPU on 4510 after 802.1x

Marcin Zgola
Level 4
Level 4

I put a customer on 802.1x using 4510. The CPU went up and trying to troubleshoot why. I have a similar setup some place else and everyhting is normal. Any ideas??


4510_SW#sh ver

Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500-IPBASEK9-M), Version 15.0(2)SG7, RELEASE SOFTWARE (fc2)

Technical Support:

Copyright (c) 1986-2013 by Cisco Systems, Inc.

Compiled Wed 01-May-13 17:37 by prod_rel_team

Image text-base: 0x10000000, data-base: 0x1209444C

4510_SW#sh module

Chassis Type : WS-C4510R

Power consumed by backplane : 40 Watts

Mod Ports Card Type                              Model              Serial No.


1     6  Sup V-10GE 10GE (X2), 1000BaseX (SFP)  WS-X4516-10GE      JAE114520LD

3    48  10/100BaseTX (RJ45)V, Cisco/IEEE       WS-X4248-RJ45V     JAE0930GHG7

4    48  10/100BaseTX (RJ45)V, Cisco/IEEE       WS-X4248-RJ45V     JAE0930GHFL

5    48  10/100BaseTX (RJ45)V, Cisco/IEEE       WS-X4248-RJ45V     JAE0930GKTN

6    48  10/100BaseTX (RJ45)V                   WS-X4148-RJ45V     JAE0830R5F8

7    48  10/100/1000BaseT (RJ45)V, Cisco/IEEE   WS-X4548-GB-RJ45V  JAE11430PXM

9    48  10/100BaseTX (RJ45)                    WS-X4148-RJ        JAB04060C9K

10    48  10/100/1000BaseT (RJ45)                WS-X4448-GB-RJ45   JAE0919BT9L

CCIE 18676
3 Replies 3

Jatin Katyal
Cisco Employee
Cisco Employee

Did you notice any memory allocation error along with below listed error message in traceback

CHKPT-3-NOMEM: Unable to allocate resources for CF on (Get buffer failed).

If yes, then please review the symptoms of this defect. This is the most closest defect I could find.

CSCth73928    malloc errors following configuration of open auth

Jatin Katyal

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Marcin Zgola
Level 4
Level 4

i have not seen any errors like that...I will look into it, but not sure if this is the case..

CCIE 18676

to many DACL Entries.. I fixed the problem moving to VLAN instead of DACL

CCIE 18676

CCIE 18676