routerid
The Router ID is a unique 32-bit number that identifies a specific router within a routing domain. It is essential for the operation of many routing protocols, such as OSPF and BGP. The Router ID typically takes the form of an IPv4 address, though it does not necessarily have to be a routable IP address.
In OSPF, the Router ID is used to distinguish routers and ensure that routing updates are processed
For BGP, the Router ID serves a similar purpose of unique identification. While BGP can use a