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Mubasher_Sultan's avatar
Mubasher_Sultan
Icon for Nimbostratus rankNimbostratus
Dec 19, 2013

Need to Understand the Hardware (Serial) Failover Vs Network Failover in F5 - LTM v11.3?

Hi Folks,   I had a version 10.2 with Hardware Failover and now we upgraded the system to 11.3 HF8.   We had a hardware failover enabled only. When we planned to upgrade into 11.3, we got the r...
nathe's avatar
nathe
Icon for Cirrocumulus rankCirrocumulus
Dec 23, 2013

f5 did used to recommend hardware failover, where applicable. Not seen anything to the contrary. Where applicable means the two big-ips are within 50ft and are in active-standby. Active-active requires network failover.

 

If you configure both then for a big-ip to failover you would need both network failover and hardware failover to fail, i.e. just a network failover issue would not do it if there was still a voltage heartbeat between the two.

 

Hope this helps,

 

N