![Confused about the utility of router(host) loopback address other than for testing purposes : r/compsci Confused about the utility of router(host) loopback address other than for testing purposes : r/compsci](https://preview.redd.it/uvvv2up6h5d71.png?width=798&format=png&auto=webp&s=65a2dba444cfdf64945db5a24a38cb8558f02aff)
Confused about the utility of router(host) loopback address other than for testing purposes : r/compsci
Refer to the exhibit. The loopback interface 1 of Router R2 is not appearing in the routing table of R1. Router R1 has all correct configurations. What can be the cause of
![cisco - Whats's the function of a loopback interface in routing protocols? - Network Engineering Stack Exchange cisco - Whats's the function of a loopback interface in routing protocols? - Network Engineering Stack Exchange](https://i.stack.imgur.com/TLEFV.png)