![Fred de Jonge | Cisco Router - Site to site configuration on a router with 2 BGP interfaces and 1 Loopback interface with External IP. Fred de Jonge | Cisco Router - Site to site configuration on a router with 2 BGP interfaces and 1 Loopback interface with External IP.](https://freddejonge.nl/wp-content/uploads/2012/05/image1.png)
Fred de Jonge | Cisco Router - Site to site configuration on a router with 2 BGP interfaces and 1 Loopback interface with External IP.
![IP Multicast: PIM Configuration Guide, Cisco IOS Release 15SY - Configuring Basic IP Multicast [Support] - Cisco IP Multicast: PIM Configuration Guide, Cisco IOS Release 15SY - Configuring Basic IP Multicast [Support] - Cisco](https://www.cisco.com/c/dam/en/us/td/i/100001-200000/120001-130000/121001-122000/121849.ps/_jcr_content/renditions/121849.jpg)
IP Multicast: PIM Configuration Guide, Cisco IOS Release 15SY - Configuring Basic IP Multicast [Support] - Cisco
![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/2015/06/3-routers.png?w=350&h=200&crop=1)
How to configure loopback interfaces on cisco router | Learn Linux CCNA CEH IPv6 Cyber-Security Online
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
![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)