Merging two different LTMs in a HA Pair - Q's

1. can I build the HA Pair with different hardware nodes (1600 and 3600 in particular)?it is not supported officially but technically, i think it is possible.

 

 

sol8665: BIG-IP redundant pair hardware and software parity requirements

 

https://support.f5.com/kb/en-us/solutions/public/8000/600/sol8665.html

 

 

2. what parts of config should definitely be common on both boxes, and which can't?configuration under local traffic menu is shared between unit in HA pair.

 

 

sol7024: Overview of the ConfigSync process (BIG-IP system files)

 

http://support.f5.com/kb/en-us/solutions/public/7000/000/sol7024.html

 

 

3. what is the best way to do network based FO?dedicated interface and vlan is the best practice.

 

 

sol11736: Defining network resources for BIG-IP high availability features (9.x - 10.x) (Network Failover)

 

http://support.f5.com/kb/en-us/solutions/public/11000/700/sol11736.html

 

 

hope this helps.