Recommendation for DCI Routing Protocol over Layer 2 Point-To-Point Circuit

nsti_0682 · ‎05-09-2017

I have two data centers that I'm setting up. Two ELINE Point-to-point (Layer 2) circuits were ordered for the DCI between them. What routing protocol should I use across these WAN circuits...? I was originally planning on using EIGRP to keep the routing domain as simple as possible since they already run EIGRP as their IGP but because one of these circuits is 200Mb and another is 100Mb I'm now leaning towards BGP for traffic engineering purposes. Thoughts?

Hitesh Vinzoda · ‎05-10-2017

Hi you can use EIGRP with variance to do unequal cost load balancing

and use BGP to achieve that too using dmz link bandwidth

http://www.cisco.com/c/en/us/td/docs/ios/12_2s/feature/guide/fsbgplb.html

Configuring BGP Link Bandwidth

To configure the BGP Link Bandwidth feature, perform the steps in this section.

SUMMARY STEPS

1. enable

2. configure {terminal | memory | network}

3. router bgp as-number

5. bgp dmzlink-bw

6. neighbor ip-address dmzlink-bw

7. neighbor ip-address send-community [both | extended | standard]

8. end

HTH

Hitesh

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