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Router for Metro Ethernet
- Subject: Router for Metro Ethernet
- From: tim at pelican.org (Tim Franklin)
- Date: Wed, 14 Apr 2010 10:07:28 +0000 (GMT)
- In-reply-to: <[email protected]>
> Some caveats:
>
> 1. only the ME version supports MPLS, in case you want to overlay an
> MPLS TE/VPN network on a Metro Ethernet Forum (MEF) ELAN raw Ethernet
> service.
> 2. If you are using IP multicast, make sure that the Metro Ethernet
> provider supports PIM snooping, otherwise (S,G) directed multicast
> packets will be flooded out all service provider ports that connect
> to
> your devices, emulating a 1993-style Ethernet hub.
3. Only "switch-style" QoS, not full-blown MQC. The 3750ME has two "router" ports which do mostly support MQC, but still have some limitations (e.g. traffic locally sourced from the device is not correctly classified / marked). Which is all kind of what you'd expect from a switch, but may be relevent if the original question was "which router?"
Regards,
Tim.