Hello, im using ASR 920 and I need just a trunk port, and I wonder what's the difference between using this method:
service instance 100 ethernet
encapsulation dot1q 100
rewrite ingress tag pop 1 symmetric
l2protocol peer cdp stp
bridge-domain 100
service instance 200 ethernet
encapsulation dot1q 200
rewrite ingress tag pop 1 symmetric
l2protocol peer cdp stp
bridge-domain 200
or this other:
service instance trunk 1 ethernet
encapsulation dot1q 100,200
rewrite ingress tag pop 1 symmetric
l2protocol peer cdp stp
bridge-domain from-encapsulation
I already test it with port channel but the second option take down the link. Thanks for you advice.
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