Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

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Lightspeed_VT_5's avatar
Lightspeed_VT_5
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Jul 18, 2008

Redundant pair and switch fault tolerance

Sorry if this hardware question is off-topic, but didn't see anywhere else to post. Also, I'm a developer stuck with a network implementation, so bear with me on that, too.

 

 

We have two LTM 1500s that are going to run as a standby system in a redundant pair using the serial cable.

 

 

We are currently running the application LAN on two fault tolerant switches that auto failover if there is a problem.

 

 

I'm wondering how to hookup the LTMs to the switches. Do I run two interfaces from each LTM--one to each switch? The active switch would send traffic and the standby switch would obviously send nothing.

 

 

I'm sure this is a common network config. Can someone shed some light on this?

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