Friday, January 19, 2018

weird config on a router with 2 untagged vlans

I'm not responsible for the config but I inherited it. we have an office with a router with 2 interfaces, one interfaces is going to this company division and the other to this company division. Both interfaces are trunked to their respective switches and have sub-interfaces with untagged vlans. - gi0/0.1/encapsulation dot1q 10 native and gi0/1.1/encapsulation dot1q 10 native.

Our systems admin noticed that it's a little slow copying files between the 2 company divisions. How would this even work? How would the router know which subnet the untagged vlan belonged to since there are 2 interfaces?



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