![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.
![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
![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/-qM2HiAxY3v4/X9It9Jdz51I/AAAAAAAABwo/AuEgUHblwjAAzIpsGsHNElGst-lA1yElQCLcBGAsYHQ/s384/a5.jpg)
What is Loopback interface in Cisco Router and what is use of loopback interface how to configure Loopback interface
![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)