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Example: mplsudp server

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 exit
int tun1
 tunnel vrf v1
 tunnel mode mplsudp
 tunnel source eth1
 tunnel destination 1.1.1.2
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 4321::1 ffff::
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 exit
int temp1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.0
 ipv6 addr 4321::2 ffff::
 shut
 exit
server mplsudp mu
 clone temp1
 vrf v1
 exit

r1 tping 100 5 2.2.2.2 vrf v1
r2 tping 100 5 2.2.2.1 vrf v1
r1 tping 100 5 4321::2 vrf v1
r2 tping 100 5 4321::1 vrf v1
  1. Install ContainerLab as described here
  2. Fetch conn-mplsudp05 file
  3. Launch ContainerLab conn-mplsudp05.yml topology: 

   containerlab deploy --topo conn-mplsudp05.yml
4. Destroy ContainerLab conn-mplsudp05.yml topology: 

   containerlab destroy --topo conn-mplsudp05.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-mplsudp05.tst file here
  3. Launch conn-mplsudp05.tst test: 

   java -jar ../../rtr.jar test tester conn-mplsudp05 path ./ temp ./ wait
4. Destroy freeRtr conn-mplsudp05.tst test: 

   Ctrl-C (In freeRtr test window)