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Asked by N_W_O in Network Design & Methodology, Network Routers, Network Switches & Hubs
Hello,
I have several Metro Ethernet circuits currently and would like some clarification on capabilities and options. I have supportive knowledge of Cisco routing and switching but nothing great so please excuse me.
I have co-lo service at my service provider's data center with 13 ME's from AT&T aggregated to the co-lo where my router connecting to my internet access. My current network configuration is a Router-on-a-Stick with several sub interfaces on the router and relative VLANs assigned to ports on switches at the remote locations. I run a few different services from NAT & DHCP to internet access depending on the need of the sub-interface/VLAN.
It is my understanding (informed by my services provider) that I need a feature called "QinQ" to allow the passing of my own VLANs through the ME's. While currently the configuration works I am wondering if the need of this feature is something forced upon me by the limitations of Metro Ethernet, my service provider or something else I don't know about. Keep in mind that this QinQ service is a billable service to me each month per location which also requires a higher end switch on their part, another billable service. Do I really need QinQ to pass my own VLANs over a ME or is this something they specifically designed not to work so they could charge more? Could I deploy my own QinQ over the ME so I no longer need to pay for this service?
I am currently looking into deploying a router at each location to remove the need of this QinQ service along with reducing router load.
I will start to give more detail once readers show interest in this question. I am open to any reasonable solution with the current equipment I have considering my current knowledge of detailed Cisco design concepts. I will post a network diagram with my idea shortly but for now I am running all Cisco 3550-EMI switches and a Cisco 2821 router. I have several 3640 routers that are marked for each location unless this question does another direction.
Thank you in advance
20091111-EE-VQP-92 - Hierarchy / EE_QW_3_20080625
