An engineer must avoid routing loops on the SD-WAN fabric for routes advertised between data center sites. Which BGP loop prevention attribute must be configured on the routers to meet this requirement?
A.
static routing on all WAN Edge routers instead of BGP
B.
same BGP AS between all CE and PE routers
C.
same OMP overlay-as on WAN Edge routers of all data centers
D.
same BGP AS between all WAN Edge routers and CE routers
C is correct.
Solution 1 in below link:
https://www.cisco.com/c/en/us/support/docs/routers/sd-wan/215992-how-to-avoid-bgp-omp-routing-loop-in-sd.html#anc14
upvoted 3 times
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Outlaw_87
10 months ago