[c-nsp] 802.1Q-in-Q VLAN Tag Termination on 7600/6500 OSN modules

Davide Ambrosi davide.ambrosi at trivenet.it
Thu Feb 28 03:55:46 EST 2013

Thanks Mack,
so I have to change all the 7603 boxes and move to 7603-S to support
the ES+ cards and upgrade all the supervisors to SUP720-3B minimum.
Moving to ASR's series (like the ASR1002) could be a good alternative
choice because of the limited GE ports I need on the small POP's (5
GE) ?


2013/2/27 Mack McBride <mack.mcbride at viawest.com>:
> The ES+ cards are the way to go.
> The OSM modules aren't going to do what you want.
> In addition they aren't properly supported in newer code.
> LR Mack McBride
> Network Architect
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Davide Ambrosi
> Sent: Wednesday, February 27, 2013 9:32 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] 802.1Q-in-Q VLAN Tag Termination on 7600/6500 OSN modules
> Hello,
> We have some 7603 boxes with SUP720/SUP2 installed as main supervisor in our MPLS Edge sites.
> Now we need to terminate QinQ VLAN directly on one or more GE interfaces of the 7603 routers because we are planning to introduce metro ethernet tecnologies (ME3400E/ME3600X) in our fiber and microwave access network for reducing the VLAN configured between the switches located in the access network (now we have 1 VLAN = 1 Customer).
> I see that 7600 catalyst modules doesn't support QinQ VLAN termination (the command "encapsulation dot1q outer-vlan second-dot1q inner-vlan) because they are "LAN" modules.
> Is there anyone who tested QinQ termination on old 7600 OSN GE modules like the OSM-2+4GE-WAN+ ? If not supported the only way to support QinQ is to buy new (expensive) 7600-S chassis + ES cards or SIP-400 and SPAs V2 ?
> In out network environment we have also some 7609-S(RSP720) with ES+ card located into the core an large aggregation sites and with this equipment we don't have problems because the QinQ Termination is supported on ES+ card.
> Davide
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