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Example: ppp over l2tp2 pwhe

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.255
 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.1.2
ipv6 route v1 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234::2
int virt1
 enc ppp
 ppp ip4cp open
 ppp ip4cp local 0.0.0.0
 vrf for v1
 ipv4 addr 3.3.3.1 255.255.255.0
 pseudo v1 lo0 l2tp2 2.2.2.2 1234
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.1.1
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234::1
ipv4 pool p4 3.3.3.1 0.0.0.1 254
int di1
 enc ppp
 vrf for v1
 ipv4 addr 3.3.3.0 255.255.255.255
 ppp ip4cp local 3.3.3.0
 ppp ip4cp open
 ipv4 pool p4
 exit
server l2tp2 l2tp
 clone di1
 vrf v1
 exit

r1 tping 100 10 2.2.2.2 vrf v1 sou lo0
r1 tping 100 10 4321::2 vrf v1 sou lo0
r2 tping 100 10 2.2.2.1 vrf v1 sou lo0
r2 tping 100 10 4321::1 vrf v1 sou lo0
r1 tping 100 40 3.3.3.0 vrf v1
  1. Install ContainerLab as described here
  2. Fetch mpls-pwhe14 file
  3. Launch ContainerLab mpls-pwhe14.yml topology: 

   containerlab deploy --topo mpls-pwhe14.yml
4. Destroy ContainerLab mpls-pwhe14.yml topology: 

   containerlab destroy --topo mpls-pwhe14.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 mpls-pwhe14.tst file here
  3. Launch mpls-pwhe14.tst test: 

   java -jar ../../rtr.jar test tester mpls-pwhe14 path ./ temp ./ wait
4. Destroy freeRtr mpls-pwhe14.tst test: 

   Ctrl-C (In freeRtr test window)