Monday, March 15, 2021

Border Leaf and RR scenario

Im working on a lab environment for a possible migration we will have. it consists in a network with 2 pairs of VPC leafs. Two pairs have been assigned to role of server connections and the other 2 the role of border leafs which will connect to firewalls, routers etc. they are under AS101 (for simplicity). The firewall was setup under AS 102 and all routes it advertised could be seen across all leafs. but then we tried to run the two border leafs as RR servers to add 2 routers under the same ASN but none of the routes the routers originate are seen in the server leafs, we can still reach the server leafs because there is a default route being advertised to them, there would only be one way out anyways..... i read RR is not supported in VXLAN environments but does this mean all L3 devices that connect to border leafs most have a random ASN to route properly?

would it be ok to have server leafs not receive those routes since they already have a default route back to the border leafs?



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