Giuseppe Larosa Tue, 10/13/2009 - 23:16
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Hello Jeff,


I suppose IX= Internet Exchange point.

the device needs to support:

2 or more GE ports to connect to public Vlans of IXP.

One or more WAN links to connect to your network/ your customer network.

An interface for out of band management using an IPSec tunnel over the internet can be considered.

The device needs also to have cpu and memory to handle multiple eBGP sessions.

I would consider the following:




a Cisco 7200VXR NPE-G2 could be considered but it cannot handle traffic on two GE and on the WAN link(s)

depending on your needs


gigaswitch for datacenter

classic solution at access layer


C6500 at distribution or even access layer.

Consider also pairs of C6500 developed as VSS pairs (require specific supervisors and WS 6708 or WS 6716 for the VSS bundle made of 10GE ports, WS6704 cannot be used for this_).

Last offer include the Nexus with its dumb satellites

avoid on C6500 all linecards that have an high oversubscription rate (the older ones connecting only to shared bus).

this is the key point: data transfers between servers can require long time so you cannot be confident in statistical multiplexing.

Hope to help


jeffersoncbriones Wed, 10/14/2009 - 21:14
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Hi Guissepe,

I have a GSR in place, can i have your personal email i just want to ask some design considerations. YM or skype i would really appreciate it.




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