Use a SP-style IFL using 802.1ad for telco. Use a SP-style IFL using 802.1q for the EX4200. The BD will automatically pop and push tags for you.
Does that help? On 9/19/12 1:00 PM, "Jeff Wheeler" <[email protected]> wrote: >Dear List, > >I am having trouble figuring out how to configure a bridge-domain setup >for >customer traffic with QinQ outer-tags on some interfaces, but not all. My >topology is as follows: > >CE---telco network---MX80---EX4200---CE > >In this case, the vlans between MX80 and EX4200 are single-tagged; but an >outer-tag must be pushed toward the telco to direct them to the customer >site. This is possible by creating a distinct bridge-domain, and logical >interfaces, per each CVLAN. However, it will not work with vlan-id-lists >or similar, which may allow me to avoid all that extra config per CVLAN. > Various restrictions on when input/output-vlan-map can be used, etc. >prevent me from configuring it. > >Obviously the savvy thing to do is simply push an outer tag using the >EX4200, which then may be swapped as needed; but is it possible to >configure this as I want, without distinct bridge-domain and logical units >per each CVLAN? The restriction against doing push/pop operations on >outer >tags when vlan-id-list is in use seem to be stopping me. FYI I have tried >on 10.4 and 11.4 boxes, so I do have interface-mode trunk; but it is >unhelpful given the push/pop limits. > >Thanks >-- >Jeff S Wheeler <[email protected]> >Sr Network Operator / Innovative Network Concepts >_______________________________________________ >juniper-nsp mailing list [email protected] >https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

