This is used for MPLS VPN. In short, domain-id is used to identify if the 2 VPN sites are part of the same domain. In this case you will inject (type 1-2-3) as type 3. Otherwise if the domain_ids are different you will inject the received route as Type 5.
Domain_tag is used to prevent routing loop when you have more than one process.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...