Lab10 MPLS + Same RD + Add-Path + UCMP
Load lab9.init.cfg
#R1, R6
configure replace unix:lab9.init.cfg
#R2-R5, R7
configure
load bootflash:lab10.init.cfg
commit replace
y
Using the previous config from lab 9, reconfigure the RDs so that they are all the same value. Use Add-Path to achieve load balancing on R2 again.
Answer
Explanation
R7 now receives all routes with an RD of 100:100. R7 must use Add-Path to select a second backup route and send this to R2. Otherwise, R7 hides information because it selects only a single bestpath among all identical routes with the same RD.
R2 is still able to do UCMP:
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