[FROG] loopback interfaces

Sébastien 65 sebastien-65 at live.fr
Fri Jan 3 12:10:18 EST 2020


I use local interfaces in the file /etc/network/interfaces
# The loopback network interface
auto lo
iface lo inet loopback

# Dummy's
auto dummy0
iface dummy0 inet manual
iface dummy0 inet6 manual
pre-up ip link add dummy0 type dummy

auto dummy1
iface dummy1 inet manual
iface dummy1 inet6 manual
pre-up ip link add dummy1 type dummy


On FRR I configure the inferface dummy0 like this :
!
interface dummy0
 description *** loopback0 ***
 ip address W.X.Y.Z/32
 ipv6 nd suppress-ra
!

The loopback (here the dummy) interfaces are used to mount my internal BGP sessions and access to the router from the WAN (public ip).

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