Example: sep over l2tp3

TopologyConfigurationsVerificationEmulation

r1

hostname r1
vrf def v1
 rd 1:1
 exit
proxy-profile p1
 vrf v1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
int di1
 enc sep
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.252
 exit
vpdn l2tp
 interface di1
 proxy p1
 tar 1.1.1.2
 vcid 1234
 dir out
 pwt hdlc
 prot l2tp3
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
proxy-profile p1
 vrf v1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
int di1
 enc sep
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.252
 exit
vpdn l2tp
 interface di1
 proxy p1
 tar 1.1.1.1
 vcid 1234
 dir in
 pwt hdlc
 prot l2tp3
 exit

r2 tping 100 60 2.2.2.1 vrf v1
r1 tping 100 60 2.2.2.2 vrf v1

ContainerLabfreeRtr CLI

1. Install ContainerLab as described here
2. Fetch conn-l2tp09 file
3. Launch ContainerLab conn-l2tp09.yml topology:

   containerlab deploy --topo conn-l2tp09.yml  

4. Destroy ContainerLab conn-l2tp09.yml topology:

   containerlab destroy --topo conn-l2tp09.yml  

5. Copy-paste configuration for each node in the lab topology

1. Fetch or compile freeRtr rtr.jar file.
   You can grab it here
2. Fetch conn-l2tp09.tst file here
3. Launch conn-l2tp09.tst test:

   java -jar ../../rtr.jar test tester conn-l2tp09 path ./ temp ./ wait

4. Destroy freeRtr conn-l2tp09.tst test:

   Ctrl-C (In freeRtr test window)