Hello Community.
I hope someone could point me to the right direction on this.
My setup:
Two Sophos UTM SG210 running active/passive
Two Cisco Stacked switches doing inter-vlan routing.
I have a LAG (two ports) on the UTM, and I have a LAG (4 ports) on the stacked cisco switches
I am routing all vlans in the Cisco out of a layer 3 LAG interface (10.10.8.2) connected to the LAG interface (10.10.8.3) on the Sophos.
Problem:
Everything is working fine except when there's a failover on the Sophos, I lost connection from the UTM to the Cisco, and I would have to delete and re-create the LAG on the Cisco for connection to establish again. I understand in the post (referenced below) an engineer suggested to create two LAGs on the Cisco, but my question is, If I have two LAGs on the Cisco, how would I configure IP address and routing on the second LAG to route traffic to the Sophos?
Here's the post with same issue as mine:
Thank you in advance for you help.
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