ldp

If add some routes:

ip route 1.1.1.1/32 2.2.2.3
ip route 1.1.1.1/32 2.2.2.2
ip route 1.1.1.1/32 2.2.2.4

In config they sorted by gateway:

# do show running-config 
...
Current configuration:
!
frr version 8.1-dev
...
ip route 1.1.1.1/32 2.2.2.4
ip route 1.1.1.1/32 2.2.2.3
ip route 1.1.1.1/32 2.2.2.2

But when added ip route 1.1.1.1/32 2.2.2.1, he will adde

The server has a couple of regular expressions that re-appear.
We might want to expose them as constants.

Satisfies and 3.6.1 and 3.7.1