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
![Configuring IP Addresses on the Loopback Interface - Infoblox NIOS 8.6 - Infoblox Documentation Portal Configuring IP Addresses on the Loopback Interface - Infoblox NIOS 8.6 - Infoblox Documentation Portal](https://docs.infoblox.com/download/attachments/194478180/24.2.png)
Configuring IP Addresses on the Loopback Interface - Infoblox NIOS 8.6 - Infoblox Documentation Portal
![What is Loopback interface in Cisco Router and what is use of loopback interface how to configure Loopback interface What is Loopback interface in Cisco Router and what is use of loopback interface how to configure Loopback interface](https://1.bp.blogspot.com/-XIpygxE83-8/X9Irut4mU3I/AAAAAAAABwc/mdnhe8TqZ30K9pLVZYWuUYev5DwMJnfKgCLcBGAsYHQ/s384/a1.jpg)
What is Loopback interface in Cisco Router and what is use of loopback interface how to configure Loopback interface
![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
![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)
cisco - Whats's the function of a loopback interface in routing protocols? - Network Engineering Stack Exchange
![How to configure loopback interfaces on cisco router | Learn Linux CCNA CEH IPv6 Cyber-Security Online How to configure loopback interfaces on cisco router | Learn Linux CCNA CEH IPv6 Cyber-Security Online](https://linuxtiwary.files.wordpress.com/2016/10/loopback-interfaces-tutorial.png?w=614&h=257)
How to configure loopback interfaces on cisco router | Learn Linux CCNA CEH IPv6 Cyber-Security Online
![An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? - NETGEAR Support An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? - NETGEAR Support](https://www.downloads.netgear.com/files/answer_media/DITAToo/Knowledge%20Base%20Articles%20%28New%29/CHP%20Products/Routers/RAX20_loopback_test.png)