On Fri, 20 Jan 2012, Blake Dunlap wrote:

Are they more likely to fail the other line cards? It doesn't seem
very common practice to have to of every card in the chassis and
provide customers with a port on two switching modules for example, so
why dual RSPs? Are they *that* much more likely to fail?


You had me until this line. Discrete dual ports is *very* common when
people desire HA and it isn't a multihoming situation.

We do this with single supervisors, and a full redundant identically configured chassis. Customer's who care get a link to each chassis.

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 Jon Lewis, MCP :)           |  I route
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