Configure Trunk carrying same Vlans on two separate uplinks on Cisco 3845
I need to carry 2 vlans(x & y) in a trunk to two separate redundant devices uplinked to Cisco 3845 on Fa1/0 and Fa1/1. I know I can create sub-interfaces on one of the uplink interfaces(i-e Fa1/0) with 2 distinct 802.1q vlans(Fa1/0.x & Fa1/0.y). But is there a way I can carry same vlans(x & y) trunked to my 2nd redundant device uplinked on 3845 from Fa2/0 ? If not then how should I get the 2nd redundant device uplinked to this 3845 router.
No there are going to two different devices for redundancy. I might have to use IRB I guess but not sure if there is going to be any downside since we havn't used that type of solution in our enviornment before.
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