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Routing Protocol

Joe Lee
Level 1
Level 1

Hello Everyone,

One of my clients has router connected to the MPLS via eBGP, and all switches/LAN's use EIGRP. On the router, they redistributed EIGRP over the BGP so all the site can communicate each other. They are thinking to change the protocol EIGRP in the LAN, Which is better solution, OSPF or iBGP to run on the switches/LAN? Please advise.

Regards,

Joe              

1 Reply 1

Joseph W. Doherty
Hall of Fame
Hall of Fame

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As iBGP normally runs across an IGP, and it generally converges slower, don't see many advantages using it alone.  Even with an IGP, unless you have multiple eBGP routers, i.e. you want them to talk BGP between them on the LAN side, don't see many advantages for that either.

As to replacing EIGRP with OSPF, both very much alike in their major features to support most IGP needs.  Perhaps biggest difference EIGRP does have some advantages over OSPF, OSPF is supported on non-Cisco.

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