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CSM - Redundant Configuration

I have two 6509 each with a CSM.Following is the current config w.r.t redundancy and fault-tolerance:

Switch-A

module ContentSwitchingModule 8

ft group 1 vlan 888

priority 15

preempt

!

vlan 3 client

ip address 10.68.0.3 255.255.255.0 alt 10.68.0.4 255.255.255.0

gateway 10.68.0.1

!

vlan 4 server

ip address 10.64.0.1 255.255.0.0 alt 10.64.0.2 255.255.0.0

Switch-B

module ContentSwitchingModule 8

ft group 1 vlan 888

preempt

!

vlan 3 client

ip address 10.68.0.4 255.255.255.0 alt 10.68.0.3 255.255.255.0

gateway 10.68.0.1

!

vlan 4 server

ip address 10.64.0.2 255.255.0.0 alt 10.64.0.1 255.255.0.0

I plan to add the alias command on the server vlan :

Switch A

vlan 4 server

ip address 10.64.0.1 255.255.0.0 alt 10.64.0.2 255.255.0.0

alias 10.64.0.199 255.255.0.0

Switch B

vlan 4 server

ip address 10.64.0.2 255.255.0.0 alt 10.64.0.1 255.255.0.0

alias 10.64.0.199 255.255.0.0

With these two line added,do i have a complete and transparent CSM Failover?

Am i missing something.

1 REPLY
Bronze

Re: CSM - Redundant Configuration

If you want connection redundancy you should enable csrp on the vservers.

I assume that the gateway 10.68.0.1 is the msfc with hsrp, you should add tracking in the ft group for the hsrp of the msfc:

Note: When you configure fault-tolerant HSRP, the active and standby state of the CSM does not follow the state of the active HSRP group. When the active HSRP is in one chassis and the active CSM is in another chassis, traffic traverses through the trunk ports between the two chassis. You can configure tracking to track the state of HSRP groups, physical interfaces, and gateways.

RP(config-module-slb-ftgroup)#track group 20

RP(config-module-slb-ftgroup)#track mode any

see also:

http://www.cisco.com/en/US/products/hw/switches/ps708/products_module_configuration_guide_chapter09186a00803e00b3.html#wp1037627

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