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Example: te explicit path

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
router pvrp4 1
 vrf v1
 router 4.4.4.1
 red conn
 exit
router pvrp6 1
 vrf v1
 router 6.6.6.1
 red conn
 exit
int lo1
 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
 mpls rsvp4
 mpls rsvp6
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 mpls enable
 mpls rsvp4
 mpls rsvp6
 router pvrp4 1 ena
 router pvrp6 1 ena
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.4.5 255.255.255.0
 ipv6 addr 1237::5 ffff::
 mpls enable
 mpls rsvp4
 mpls rsvp6
 router pvrp4 1 ena
 router pvrp6 1 ena
 exit
interface tun1
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 2.2.2.3
 tunnel domain-name 2.2.2.2
 tunnel mode p2pte
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.252
 exit
interface tun2
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 4321::3
 tunnel domain-name 4321::2
 tunnel mode p2pte
 vrf forwarding v1
 ipv6 address 3333::1 ffff::
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
router pvrp4 1
 vrf v1
 router 4.4.4.2
 red conn
 exit
router pvrp6 1
 vrf v1
 router 6.6.6.2
 red conn
 exit
int lo1
 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
 mpls rsvp4
 mpls rsvp6
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 mpls enable
 mpls rsvp4
 mpls rsvp6
 router pvrp4 1 ena
 router pvrp4 1 metric-out 100
 router pvrp6 1 ena
 router pvrp6 1 metric-out 100
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.2.2 255.255.255.0
 ipv6 addr 1235::2 ffff::
 mpls enable
 mpls rsvp4
 mpls rsvp6
 router pvrp4 1 ena
 router pvrp4 1 metric-out 100
 router pvrp6 1 ena
 router pvrp6 1 metric-out 100
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
router pvrp4 1
 vrf v1
 router 4.4.4.3
 red conn
 exit
router pvrp6 1
 vrf v1
 router 6.6.6.3
 red conn
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.3 255.255.255.255
 ipv6 addr 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 mpls rsvp4
 mpls rsvp6
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.2.3 255.255.255.0
 ipv6 addr 1235::3 ffff::
 mpls enable
 mpls rsvp4
 mpls rsvp6
 router pvrp4 1 ena
 router pvrp6 1 ena
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.3.3 255.255.255.0
 ipv6 addr 1236::3 ffff::
 mpls enable
 mpls rsvp4
 mpls rsvp6
 router pvrp4 1 ena
 router pvrp6 1 ena
 exit
interface tun1
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 2.2.2.1
 tunnel domain-name 2.2.2.2
 tunnel mode p2pte
 vrf forwarding v1
 ipv4 address 3.3.3.2 255.255.255.252
 exit
interface tun2
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 4321::1
 tunnel domain-name 4321::2
 tunnel mode p2pte
 vrf forwarding v1
 ipv6 address 3333::2 ffff::
 exit

r4

hostname r4
vrf def v1
 rd 1:1
 exit
router pvrp4 1
 vrf v1
 router 4.4.4.4
 red conn
 exit
router pvrp6 1
 vrf v1
 router 6.6.6.4
 red conn
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.4 255.255.255.255
 ipv6 addr 4321::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 mpls rsvp4
 mpls rsvp6
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.3.4 255.255.255.0
 ipv6 addr 1236::4 ffff::
 no mpls enable
 no mpls rsvp4
 no mpls rsvp6
 router pvrp4 1 ena
 router pvrp6 1 ena
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.4.4 255.255.255.0
 ipv6 addr 1237::4 ffff::
 no mpls enable
 no mpls rsvp4
 no mpls rsvp6
 router pvrp4 1 ena
 router pvrp6 1 ena
 exit

r1 tping 100 20 2.2.2.2 vrf v1 sou lo1
r1 tping 100 20 2.2.2.3 vrf v1 sou lo1
r1 tping 100 20 2.2.2.4 vrf v1 sou lo1
r1 tping 100 20 4321::2 vrf v1 sou lo1
r1 tping 100 20 4321::3 vrf v1 sou lo1
r1 tping 100 20 4321::4 vrf v1 sou lo1
r2 tping 100 20 2.2.2.1 vrf v1 sou lo1
r2 tping 100 20 2.2.2.3 vrf v1 sou lo1
r2 tping 100 20 2.2.2.4 vrf v1 sou lo1
r2 tping 100 20 4321::1 vrf v1 sou lo1
r2 tping 100 20 4321::3 vrf v1 sou lo1
r2 tping 100 20 4321::4 vrf v1 sou lo1
r3 tping 100 20 2.2.2.1 vrf v1 sou lo1
r3 tping 100 20 2.2.2.2 vrf v1 sou lo1
r3 tping 100 20 2.2.2.4 vrf v1 sou lo1
r3 tping 100 20 4321::1 vrf v1 sou lo1
r3 tping 100 20 4321::2 vrf v1 sou lo1
r3 tping 100 20 4321::4 vrf v1 sou lo1
r1 tping 100 20 3.3.3.2 vrf v1 sou tun1
r3 tping 100 20 3.3.3.1 vrf v1 sou tun1
r1 tping 100 20 3333::2 vrf v1 sou tun2
r3 tping 100 20 3333::1 vrf v1 sou tun2
  1. Install ContainerLab as described here
  2. Fetch mpls-te19 file
  3. Launch ContainerLab mpls-te19.yml topology: 

   containerlab deploy --topo mpls-te19.yml
4. Destroy ContainerLab mpls-te19.yml topology: 

   containerlab destroy --topo mpls-te19.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-te19.tst file here
  3. Launch mpls-te19.tst test: 

   java -jar ../../rtr.jar test tester mpls-te19 path ./ temp ./ wait
4. Destroy freeRtr mpls-te19.tst test: 

   Ctrl-C (In freeRtr test window)