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Webcast-Catalyst9k
New Member

CSM HELP with SSL WS-X6066-SLB-S-K9

I have 2 6509 with Sup720's and I have my CSM in an active standby set up on 2 cores.

what i am looking to do is set up 2 servers that are load balanced but traffic only going to one server. The only time I need traffic to hit the second server is if the first server fails.

5 REPLIES
Hall of Fame Super Blue

Re: CSM HELP with SSL WS-X6066-SLB-S-K9

Hi

You don't say what version of software the CSM's are using so it's a little difficult to be precise.

Having said that what you can do is

1) put the server you want all traffic to go in one serverfarm eg. sfarm1

2) Put the other server that you only want used if the primary server fails into a different serverfarm eg sfarm2

3) When you define your vserver you can specify a backup serverfarm.

So you tell your vserver to use sfarm1 but if that serverfarm goes offline to use sfarm2.

This backup serverfarm functionality is in the docs. If you have problems finding it let me know the version of code for your CSM modules and i'll send you a link.

HTH

Jon

New Member

Re: CSM HELP with SSL WS-X6066-SLB-S-K9

Hello Jon,

CSM with SSL WS-X6066-SLB-S-K9 SW 2.1(4)

Will I be able to have my primary DB server on one Vlan and the backup on another VLAN?

serverfarm BACKUP-STATIC

nat server

nat client RICH

real 10.160.10.100

inservice

serverfarm STATIC

nat server

nat client RICH

real 10.150.10.100

inservice

vserver STATIC

virtual 10.150.80.100 tcp www

serverfarm static backup BACKUP-STATIC

persistent rebalance

inservice

Will both servers know how to talk back to the VIP?

Aslo please send me that link if you dont mind.

Thanks

Steve

Hall of Fame Super Blue

Re: CSM HELP with SSL WS-X6066-SLB-S-K9

Hi Steve

Yes, you should be fine if the serverfarms are on different vlans.

Attached is a link to csm-s config guide for 2.1(x), specifically the vserver config.

http://www.cisco.com/en/US/products/hw/switches/ps708/module_installation_and_configuration_guides_chapter09186a0080441265.html

HTH

Jon

New Member

Re: CSM HELP with SSL WS-X6066-SLB-S-K9

Hello Jon,

what do you think of these configs for the CSM?

serverfarm BACKUP-NRTCBORA011

nat server

nat client Pool

real 10.160.32.166 1521

inservice

!

serverfarm STATIC-NRTCBORA010

nat server

nat client Pool

real 10.150.32.166 1521

inservice

!

vserver STATIC

virtual 10.150.80.20 tcp 1521

serverfarm STATIC-NRTCBORA010 backup BACKUP-NRTCBORA011

persistent rebalance

inservice

!

serverfarm NRTCBSOAP-SRV

nat server

nat client POOL

real 10.150.30.28

inservice

real 10.150.30.31

inservice

real 10.160.30.28

inservice

!

vserver NRTCBSOAP8033-SRV

virtual 10.150.80.21 8033

serverfarm NRTCBSOAP-SRV

sticky 60

replicate csrp sticky

replicate csrp connection

persistent rebalance

inservice

!

vserver NRTCBSOAP44333-SRV

virtual 10.150.80.21 44333

serverfarm NRTCBSOAP-SRV

sticky 60

replicate csrp sticky

replicate csrp connection

persistent rebalance

inservice

Hall of Fame Super Blue

Re: CSM HELP with SSL WS-X6066-SLB-S-K9

Hi Steve

The backup stuff looks fine. Give it a go and let me know how you get on.

Jon

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