I have 2 CBS350-24XS 10G switches stacked. My two physical firewalls running active/passive HA are connected through port 1 on each switch. My stacking ports are all setup in native mode using the last two ports on each switch.
I'm running into a problem with my firewall's active/passive HA settings and the active/passive switch stack.
When my active firewall is connected to my active switch, it works fine. But, if I failover to my passive firewall, my connection to the passive switch does not become usable.
I have the switch ports setup as VLAN trunks, but I didn't setup a LAG for my firewall ports.
Is this my problem? Do I need to configure a LAG for these firewall connections so they are both active? Or, do I need to configure something else for my switch ports connecting my firewalls?
I appreciate any advice.