User manual

Release Notes for Catalyst 6500 Series Content Switching Module Software Release 2.2(8)

78-12569-16

Caveats

• CSCdv29125

In firewall configurations using an HTTP 1.1 redirect virtual server, a connection going through the

firewalls may remain open after a redirect virtual server connection is established.

Workaround: None. This connection closes when it times out.

• CSCdu57891

The output from the show interface gigabit slot/port command may erroneously indicate that one

or more of the CSM gigabit ports are down.

Workaround: Disregard the display.

• CSCdu82478

In CSM software release 2.x, it is important that packets transmitted from the CSM toward a client

(server) are transmitted on the same VLAN as packets received by the CSM from that same client

(server). This constraint may be satisfied as follows:

–

Multiple routes on the CSM to the same destination are supported, but all such routes need to

go through gateways on the same VLAN. Ensure that all routes to any particular destination go

through the same VLAN. For example, the following configuration is invalid because it is

possible for traffic from a remote source to arrive on both VLAN 10 and VLAN 20:

Router(config)# module csm 4

Router(config-module-csm)# vlan 10 client

Router(config-slb-vlan-client)# gateway 1.1.1.1

Router(config-module-csm)# vlan 20 client

Router(config-slb-vlan-client)# gateway 2.2.2.2

To make this configuration valid, delete the gateway command from either VLAN 10 or

VLAN 20.

Note NOTE: Do not use the gateway command in more than one VLAN.

–

Traffic into the CSM from an IP address must arrive on the same VLAN that the CSM uses to

send to that IP address. Ensure that all traffic received by the CSM from a specific destination

address arrives on the same VLAN that the CSM uses to reach that destination if the CSM is

configured with a route as follows:

Router(config)# module csm 4

Router(config-module-csm)# vlan 10 client

Router(config-slb-vlan-client)# route 10.0.0.0 255.255.255.0 gateway 1.1.1.1

For load balancing to function properly, all traffic arriving from the 10.0.0.0/24 subnet must

reach the CSM through VLAN 10.

Resolved Caveats in Release 2.2(4)

This section describes caveats that have been resolved in CSM software release 2.2(4).

• CSCdy22965

When Layer 7 features are enabled, it is possible for the CSM to slowly leak Layer 7 session state

objects. When the objects have been exhausted, the CSM suspends indefinitely. At that point, the

CSM will not pass any traffic but remains responsive to the Cisco IOS configuration and show

commands.