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bgp path selection

rgarlin00
Level 1
Level 1

My BGP route has 2 routes for a network

core-pri#sh ip bgp 8.3.26.0/23
BGP routing table entry for 8.3.26.0/23, version 245129772
Paths: (2 available, best #1, table Default-IP-Routing-Table)
  Not advertised to any peer
  65535 3356 26769
    10.1.1.2 (metric 101) from 10.1.1.2 (10.1.1.2)
      Origin IGP, metric 21381, localpref 100, valid, internal, best
  174 3549 26769
    10.1.1.1 (metric 101) from 10.1.1.1 (66.28.22.29)
      Origin IGP, metric 6010, localpref 100, valid, internal

From the path selection process, it should be taking 10.1.1.1 because it has the lowest router ID, since the other variables are equal. I don't know why it's using 10.1.1.2 as the next hop.

Bob

15 Replies 15

Well,

IMHO, Cisco guys should have used "MED" instead of "metric" in the sh ip bgp output.

And also the "i" used for status code internal and origin code IGP (while ? is  incomplete) is pretty confusing.

But if the IOS were user friendly and intuitive, no expensive Cisco trainings would be necessary :-)

BR,

Milan