Friday, September 13, 2019

SVI vs SubInterface Pro's/Con's

I am in my late 20's and have always used SVI's to do routing for my vlan's. But it is my understanding (feel free to correct me) that sub interfaces are the legacy version of SVI's due to the classic example of router on a stick vs SVI routing for end hosts.

My new organization has a lot of routing configurations sourced from sub interfaces and I was wondering if there is another capability/feature of sub interfaces that SVi's can't accomplish or if it is literally a 1:1 comparison.

On a side note the whole syntax of SVi's are confusing to me (Why a . extension to the interface), having not dealt with them a lot.



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