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Community Member

CSM config ?? real server at another subnet ?

I have a 6k and csm module,

Below is the scenario and my goal,

client ->6k(client gateway)->vip (on csm module)->serverfarm (real servers at another subnet -> gateway2->real servers. Is it possible working like this? I tried but failed.

If I use bridge mode, and directly connect the real server to 6k (server vlan side), everything is working. But I do need running some servers which locate at another subnet and can not be trunked to 6k. need help.

I searched cisco but all the case looks like directly connect real servers to CSM . I tried set static route under server vlan, not work too.

Thanks

2 REPLIES
Hall of Fame Super Blue

Re: CSM config ?? real server at another subnet ?

Hi

Yes this should be possible, we do it here where i work. You should be able to use the static route on the vlan to make it work but you say you have already tried that.

Could you send a copy of the relevant config ?

Jon

Community Member

Re: CSM config ?? real server at another subnet ?

Thanks, Jon. Here is my CSM config (at 6k)

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

module ContentSwitchingModule 9

!

natpool SP-TEST 172.16.27.240 172.16.27.242 netmask 255.255.255.0

!

vlan 11 server

ip address 10.10.10.254 255.255.255.0

!

vlan 10 client

ip address 10.10.10.254 255.255.255.0

!

vlan 27 server

ip address 172.16.27.254 255.255.255.0

!

vlan 26 client

ip address 172.16.27.254 255.255.255.0

!

!

probe PING icmp

interval 2

failed 2

!

serverfarm IDVLDAP

nat server

nat client SP-TEST

real 172.16.27.69

inservice

real 172.16.27.70

inservice

probe PING

!

vserver VIP-IDVLDAP

virtual 10.10.10.24 any

serverfarm IDVLDAP

idle 14400

persistent rebalance

inservice

#vlan 10 ip on 6k is my client default gateway.

!

interface Vlan10

description Client subnet

ip address 10.10.10.1 255.255.255.0

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

#the real server connect to 4k and vlan 27 ip on 4k is server's default gateway, server access vlan on 4k is 27.

!

interface Vlan27

description server subnet

ip address 172.16.27.1 255.255.255.0

!!!!!!

6k and 4k running EIGRP.

the regular layer3 traffic flow from client to real server subnet is

client10.10.10.x->10.10.10.1->172.16.27.1->real server172.16.27.x

!!!!!!!!

currnetly I use nat client and trunk vlan 27 from 6k to 4k, it works. But it is not what I want, I do not want trunk vlan 27 between 6k and 4k, I want use routed to get there. Please advise! T

Thank you all.

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