Release Notes for Cisco Catalyst Blade Switch 3120 for HP, Cisco IOS Release 12.2(52)SE

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OL-19714-01

Resolved Caveats

• CSCsy90265

If you repeatedly enter the show tech-support privileged EXEC command, the switch might leak

memory and, in some cases, shut down.

The workaround is to reload the switch to clear the memory after repeated use of the show

tech-support command.

• CSCsz66428

When flow control is enabled on a port-channel interface and you enter the flowcontrol receive on

interface configuration command, the bundle is not enabled after the switch restarts. The command

appears in the port-channel interface running configuration but does not appear in the switch running

configuration. A message such as this appears:

%EC-5-CANNOT_BUNDLE2: Gi0/27 is not compatible with Po1 and will be suspended (flow

control receive of Gi0/27 is on, Po1 is off)

%EC-5-CANNOT_BUNDLE2: Gi0/28 is not compatible with Po1 and will be suspended (flow

control receive of Gi0/28 is on, Po1 is off)

Use one of these workarounds:

–

To manually configure the port-channel interface, enter the flowcontrol receive on interface

configuration command.

–

To add the flow-control configuration to the interface after the switch restarts, use an EEM

script similar to this:

event manager applet Add_flowcontrol_on_restart

event syslog pattern SYS-5-RESTART

action 1 cli command "en"

action 2 cli command "conf t"

action 3 cli command "inter port 1"

action 4 cli command "flowcontrol receive on"

For action 3, specify the port-channel interface.

• CSCsz72234

In a VPN routing/forwarding (VRF) instance, a port channel is configured, and the default route is

in the global routing table. If a link shuts down while the other links remain up, the port channel

might not forward traffic.

Use one of these workarounds:

–

Enter the shutdown interface configuration command, and then enter the no shutdown

interface command.

–

In the VRF instance, configure the links in the port channel as Layer 2 access links, and

configure a switch virtual interface (SVI).

• CSCsz88857

When an interface on the stack master is a member of an EtherChannel and the channel group

number is removed before a master switch changeover, you can not use the same group number when

you recreate the EtherChannel after the changeover.

These are possible workarounds:

–

Reload the switches in the EtherChannel into the channel group that you were not able to create.

–

Use a new channel group number to bundle the physical interfaces in an EtherChannel.

–

Reconfigure the EtherChannel before the master switch changeover.