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KPS_149915's avatar
KPS_149915
Icon for Nimbostratus rankNimbostratus
May 05, 2017

Active/Standby GTM

There are 2 VS, Prod and DR in LTM and want to assigned them same IP and configure in GTM as Active/Standby GLB method. I know it works but wanted to know more about benefits and best practices if to keep the VIP of both same IP or different IP.

 

If anyone knows then please.

 

Thanks.

 

BIG-IP
BIG-IP DNS
devops
security

2 Replies

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  • Leonardo_Souza's avatar
    Leonardo_Souza
    Icon for Cirrocumulus rankCirrocumulus
    May 05, 2017

    There is no active/standby in the GTM/DNS configuration. GTM/DNS is always standalone and active. Your LTM can been in active/standby, that will work fine. If you are using LTM and GTM/DNS in the same unit, the same still applies besides the unit showing as been in an HA pair. You have to split your problem in GTM and LTM.

     

    Basically, for your requirements, you configure a GTM wide ip and pool. The pool will have both virtual servers, and you can use global availability for load balancing method. GTM/DNS will always reply with the IP for the first virtual server in the list. When the first virtual servers is down, it will start to reply with the IP of the second virtual server in the list.

     

  • Ashish_k22's avatar
    Ashish_k22
    Icon for Nimbostratus rankNimbostratus
    Aug 13, 2019

    Hello !!

    I Have configured the wide IP with two pool member and apply global availability load balancing method for testing when i manually disable the one of the pool and try to resolve the DNS for xxx.gtm.xx.com and i am getting both the pool IPs , Is there anything else that i need to configure for active/standby pool configuration