L2 MTU don't need to match as long it is can support the L3 MTU. As long there is un-fragmented connectivity with the L3 MTU OSPF should be fine.  -Sebastian

This is correct/expected behavior, BGP runs a scanner process that checks for next-hop and best-routes.  As soon as a better route is received, RR will announce it further to RR-clients. This has nothing to do with the age of the route in RR routing ...

Hi @Ryan YC  Your PBR configuration is correct and should work appropriately. The only think that I can think of is packets not getting to the right router. Can you make sure that you are using 10.99.99.10 as the gateway for the host in 10.99.99.0/28...

Hi @brad8419  The two public IP space that you have are too be used as following.  1.  21.21.21.146/30 is your subnet to be configured between your router and ISP2. The other /29 subnet you have should be configured on your router for the purpose of ...

Hi @Ali Hazim  As other provided the document  hope they make sense. Just to add to what others posted, the range available for the sub-interface is the range that is based on the 32bit value, but the total number of interface that a platform can sup...