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Example: rift ecmp connection

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
router rift4 1
 vrf v1
 router 41
 red conn
 spf-ecmp
 ecmp
 exit
router rift6 1
 vrf v1
 router 61
 red conn
 spf-ecmp
 ecmp
 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
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 ipv6 addr 1234:1::1 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth1.22
 vrf for v1
 ipv4 addr 1.1.2.1 255.255.255.252
 ipv6 addr 1234:21::1 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth2.11
 vrf for v1
 ipv4 addr 1.1.1.10 255.255.255.252
 ipv6 addr 1234:3::2 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth2.22
 vrf for v1
 ipv4 addr 1.1.2.10 255.255.255.252
 ipv6 addr 1234:23::2 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
router rift4 1
 vrf v1
 router 42
 red conn
 spf-ecmp
 ecmp
 exit
router rift6 1
 vrf v1
 router 62
 red conn
 spf-ecmp
 ecmp
 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
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 ipv6 addr 1234:1::2 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth1.22
 vrf for v1
 ipv4 addr 1.1.2.2 255.255.255.252
 ipv6 addr 1234:21::2 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth2.11
 vrf for v1
 ipv4 addr 1.1.1.5 255.255.255.252
 ipv6 addr 1234:2::1 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth2.22
 vrf for v1
 ipv4 addr 1.1.2.5 255.255.255.252
 ipv6 addr 1234:22::1 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
router rift4 1
 vrf v1
 router 43
 red conn
 spf-ecmp
 ecmp
 exit
router rift6 1
 vrf v1
 router 63
 red conn
 spf-ecmp
 ecmp
 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
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.6 255.255.255.252
 ipv6 addr 1234:2::2 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth1.22
 vrf for v1
 ipv4 addr 1.1.2.6 255.255.255.252
 ipv6 addr 1234:22::2 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth2.11
 vrf for v1
 ipv4 addr 1.1.1.9 255.255.255.252
 ipv6 addr 1234:3::1 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit
int eth2.22
 vrf for v1
 ipv4 addr 1.1.2.9 255.255.255.252
 ipv6 addr 1234:23::1 ffff:ffff::
 router rift4 1 ena
 router rift6 1 ena
 exit

r1 tping 100 40 2.2.2.2 vrf v1 sou lo1
r1 tping 100 40 2.2.2.3 vrf v1 sou lo1
r1 tping 100 40 4321::2 vrf v1 sou lo1
r1 tping 100 40 4321::3 vrf v1 sou lo1
r2 tping 100 40 2.2.2.1 vrf v1 sou lo1
r2 tping 100 40 2.2.2.3 vrf v1 sou lo1
r2 tping 100 40 4321::1 vrf v1 sou lo1
r2 tping 100 40 4321::3 vrf v1 sou lo1
r3 tping 100 40 2.2.2.1 vrf v1 sou lo1
r3 tping 100 40 2.2.2.2 vrf v1 sou lo1
r3 tping 100 40 4321::1 vrf v1 sou lo1
r3 tping 100 40 4321::2 vrf v1 sou lo1
r2 output show ipv4 rift 1 nei
r2 output show ipv6 rift 1 nei
r2 output show ipv4 rift 1 dat
r2 output show ipv6 rift 1 dat
r2 output show ipv4 rift 1 tre n
r2 output show ipv6 rift 1 tre n
r2 output show ipv4 route v1
r2 output show ipv6 route v1
  1. Install ContainerLab as described here
  2. Fetch rout-rift23 file
  3. Launch ContainerLab rout-rift23.yml topology: 

   containerlab deploy --topo rout-rift23.yml
4. Destroy ContainerLab rout-rift23.yml topology: 

   containerlab destroy --topo rout-rift23.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 rout-rift23.tst file here
  3. Launch rout-rift23.tst test: 

   java -jar ../../rtr.jar test tester rout-rift23 path ./ temp ./ wait
4. Destroy freeRtr rout-rift23.tst test: 

   Ctrl-C (In freeRtr test window)