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CNP vs CEP

CNP vs CEP

Alaa_Naifa
New Contributor
I am trying to do a very simple setup.

we have one provider connecting to our Carrier Ethernet Metro.

provider is sending me with 3 VLAN which i usually take them inside one vman ( port is configured untag) and take it through our Metro.

now what i am trying to archive is to allow 3 Vlans with specific tag ( like is provider tried to send more vlans or different tags than what was agreed on) these vlans should not enter my VMAN.
5 REPLIES 5

Kevin_Kim
Extreme Employee
Yes. you can with CEP.

Alaa_Naifa
New Contributor
Yes this is the scenario which we have.

Question is can we do CEP and transport them and do the double tagging ?!

Kevin_Kim
Extreme Employee
I think packets are doubled tagged as CNP when they are transported in a VMAN.

Alaa_Naifa
New Contributor
Thanks for the replay Kevin,

but will it have the same effect as using CNP. one more thing, the termination of these vlans will be on a L3 router and its configured as double tag on the router

GTM-P2G8KFN