[j-nsp] T640 and two route lookups

From: Saku Ytti (saku+juniper-nsp@ytti.fi)
Date: Tue Apr 23 2002 - 15:22:34 EDT

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Hello,

Can someone explain why T640 does two route lookups?

ingress PIC -> ingress PFE (route lookup to determine egress PFE) ->
egress PFE (route lookup to determine egress PIC) -> egress PIC.

Why not save both information at once?

-- 
  ++ytti

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