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Example: mpls expbundle

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r1

hostname r1
vrf def v1
 rd 1:1
 label-mode per-prefix
 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 ser1
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234:1::1 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int ser2
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.2.1 255.255.255.0
 ipv6 addr 1234:2::1 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int ser3
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.3.1 255.255.255.0
 ipv6 addr 1234:3::1 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int ser4
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.4.1 255.255.255.0
 ipv6 addr 1234:4::1 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 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 1234:1::2

r2

hostname r2
vrf def v1
 rd 1:1
 label-mode per-prefix
 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 ser1
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234:1::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int ser2
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.2.2 255.255.255.0
 ipv6 addr 1234:2::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int ser3
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.3.2 255.255.255.0
 ipv6 addr 1234:3::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int ser4
 enc hdlc
 vrf for v1
 ipv4 addr 1.1.4.2 255.255.255.0
 ipv6 addr 1234:4::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int tun1
 tunnel vrf v1
 tunnel source ser1
 tunnel destination 1.1.1.1
 tunnel domain-name 1:ser1 2:ser2 4:ser3 5:ser4
 tunnel mode expbun
 vrf forwarding v1
 ipv4 addr 1.1.5.2 255.255.255.0
 ipv6 addr 1234:5::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.5.1
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:5::1

r1 tping 100 10 2.2.2.2 vrf v1 sou lo0 tos 32
r1 tping 100 10 4321::2 vrf v1 sou lo0 tos 32
r2 tping 100 10 2.2.2.1 vrf v1 sou lo0 tos 32
r2 tping 100 10 4321::1 vrf v1 sou lo0 tos 32
r1 tping 100 10 2.2.2.2 vrf v1 sou lo0 tos 64
r1 tping 100 10 4321::2 vrf v1 sou lo0 tos 64
r2 tping 100 10 2.2.2.1 vrf v1 sou lo0 tos 64
r2 tping 100 10 4321::1 vrf v1 sou lo0 tos 64
r1 tping 0 10 2.2.2.2 vrf v1 sou lo0 tos 96
r1 tping 0 10 4321::2 vrf v1 sou lo0 tos 96
r2 tping 0 10 2.2.2.1 vrf v1 sou lo0 tos 96
r2 tping 0 10 4321::1 vrf v1 sou lo0 tos 96
r1 tping 100 10 2.2.2.2 vrf v1 sou lo0 tos 128
r1 tping 100 10 4321::2 vrf v1 sou lo0 tos 128
r2 tping 100 10 2.2.2.1 vrf v1 sou lo0 tos 128
r2 tping 100 10 4321::1 vrf v1 sou lo0 tos 128
r1 tping 100 10 2.2.2.2 vrf v1 sou lo0 tos 160
r1 tping 100 10 4321::2 vrf v1 sou lo0 tos 160
r2 tping 100 10 2.2.2.1 vrf v1 sou lo0 tos 160
r2 tping 100 10 4321::1 vrf v1 sou lo0 tos 160
  1. Install ContainerLab as described here
  2. Fetch mpls-ldp23 file
  3. Launch ContainerLab mpls-ldp23.yml topology: 

   containerlab deploy --topo mpls-ldp23.yml
4. Destroy ContainerLab mpls-ldp23.yml topology: 

   containerlab destroy --topo mpls-ldp23.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-ldp23.tst file here
  3. Launch mpls-ldp23.tst test: 

   java -jar ../../rtr.jar test tester mpls-ldp23 path ./ temp ./ wait
4. Destroy freeRtr mpls-ldp23.tst test: 

   Ctrl-C (In freeRtr test window)