hello all
we are installing a new uplink next week we have 2 x sophos utm sg 330 in a HA active/passive setup
previously we had 1 uplink router, so 1 cable into each sophos utm 330 but will now receive 2 routers in a master slave set up using cisco HSRP, short for Hot Standby Router Protocol
what this means is if the first router goes down , the second one takes over with the same configuration , same ip address etc is it possible to add the interfaces on the backup router using additional ports on the sophos utm AND giving them the same interface IP address ?
i would then put the second uplink interface into the standby network in the uplink section , rather than as active
I have tried this on our spare sophos utm sg and it does allow you to specify the same IP address on the secondary interface
I asked sophos support if this would work and they are pointing me in the direction of LAG groups (funnily the next tab from uplink balancing)
So my question is does anyone have experience of something similar and what would you recommend ?
many thanks
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