Installation guide

Release Notes for Catalyst5000 Family Software Release4.x

OL-2306-01

Open and Resolved Caveats in Software Release 4.5(12)

Resolved Caveats in Software Release4.5(12)

Note For a description of caveats open in software release4.5(12), see the “Open Caveats in Software

Release4.5(12)” section on page20.

This section describes resolved caveats in software release4.5(12).

• Supervisor Engine III sends CGMP packets to routers with a source mac address of all zeros.

This problem is resolved in software release 4.5(12). (CSCds74250)

• Resetting the ATM line card from the supervisor engine console might reset the supervisor engine.

This problem is resolved in software release 4.5(12). (CSCdt31393)

• Operating systems, such as Windows XP, will attempt 802.1X authentication by sending frames to

the Authenticator PAE on the destination multicast address 01-80-c2-00-00-0f and

01-80-c2-00-00-03. On Catalyst 5000 family switches with EARL1, EARL1+, or EARL1++, these

frames will be forwarded on all ports including spanning tree blocking ports. Because these frames

are forwarded on blocked ports, the network will experience a Layer 2 multicast storm.

Workaround 1: Enter the following commands to configure a permanent CAM entry for

01-80-c2-00-00-0f and 01-80-c2-00-00-03 to be directed out an unused port:

–

set cam permanent 01-80-c2-00-00-0f mod/port

–

set cam permanent 01-80-c2-00-00-03 mod/port

Workaround 2: Follow this procedure to configure Windows XP to not send these frames:

a. Click on the associated Local Area Connection under Network Connections.

b. Click on the Authentication Tab.

c. Uncheck “Network Access Control using IEEE 802.1x.”

For additional information, see the following URL:

http://www.cisco.com/warp/public/707/cat5k-8021x-vuln-pub.shtml

This problem is resolved in software release 4.5(12). (CSCdt62732)

• A Catalyst 5000 switch running 4.5(5) might display “malloc failed!” messages, indicating that the

NetFlow process is taking memory. NetFlow does not have to be enabled for this to occur.

Workaround: Configure one HSRP group per VLAN.

This problem is resolved in software release 4.5(12). (CSCdt45785)

• Creating a large number of rows in cseStaticExtRouterTable, deleting them, and then creating a

large number of rows again might cause the switch to reset.

This problem is resolved in software release 4.5(12). (CSCdt53749)

• The RSM might reset with the following error message:

Jan 19 10:15:54 CST: %LINK-4-TOOBIG: Interface Vlan1, Output packet size of 1534 bytes

too big

-Traceback= 602494E8 601D454C 603D0470 603CECE0 603D64C4 603D63B0 603CD2E8 601F558C

601F5578

%SYS-3-OVERRUN: Block overrun at 61B4D460 (red zone 0C07AC5C)

-Traceback= 6026E140 60270D30 60271E00 60272060 6026190C 602618F8