What are the pros and cons using ospf as the PE/CE protocol
pros and cons using ospf as the PE/CE Protocol
Hi,
Well in short,
pros:
well deployed protocol with good user experience
fast convergence
no redistribution required on ce side
cons;
type 1 & 2 routes (O) from one site are known as type 3 summary routes (OIA) in the other site
you need a sham link configured on the pe routers to get the routes as type1&2 at each remote site
If was deploying mpls vpn, i would use either ospf or bgp as pe/ce protocol.
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t8/feature/guide/ospfshmk.html#wp1024995
HTH
LR
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