CSM Design question

Unanswered Question
Aug 29th, 2007
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Hi Sir,

I have deployed CSM (part number: WS-X6066-SLB-APC) on a Catalyst 6513 running Cisco IOS software. The CSM software version is 4.2(4).

Please refer to attached network diagram. The CSM is configured for secure/router mode. There's another third-party load balancer in the setup.

There's a plan to remove the third-party load balancer and migrate segments A & B to the CSM and maintain existing operations. Can this requirement be achieved using a CSM?

My existing CSM config is as follows:


vlan C client

ip address ...

gateway <upstream_firewall>


vlan D server

ip address ...

alias ...


Can anyone show me some configuration guides to implement such a design? I understand CSM supports multiple VLANs but how are they configured?

Please help.

Thank you.


Lim TS

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Jose Garcia Thu, 08/30/2007 - 04:49
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Hi Lim,

Looking at the diagram you attached it is possible to use the CSM to load balance traffic to the segments A&B, but you will have to use Secure/router mode between VLAN's C&D, but One-Arm between A&B, this is because of the router in the middle will break the secure mode.

So you don't need to touch the configuration of the Vlans C&D, and here is a configuration guide to use with A&B:



I hope this helps.




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