[j-nsp] Q-in-Q configuration on Juniper Gig interface

sthaug at nethelp.no sthaug at nethelp.no
Fri May 30 11:19:24 EDT 2008


> According to jtac -- on regular M series you would need an IQ2 pic to
> make it work-- not in Mx series

You need IQ2 if you want to do "complicated" tag operations like push
or pop two VLAN tags (pop-pop, pop-swap, push-push, swap-push, swap-swap).

If you just want to push or pop *one* VLAN tag (push, pop, swap), *or*
terminate two VLAN tags (outer x inner y) you only need IQ (IQ2 will of
course also work).

Steinar Haug, Nethelp consulting, sthaug at nethelp.no


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