Example: static routing with bfd tracker¶
r1
hostname r1
vrf def v1
rd 1:1
exit
int lo0
vrf for v1
ipv4 addr 2.2.2.101 255.255.255.255
ipv6 addr 4321::101 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
exit
int eth1
vrf for v1
ipv4 addr 1.1.1.1 255.255.255.252
ipv6 addr 1234:1::1 ffff:ffff::
shut
exit
int eth2
vrf for v1
ipv4 addr 1.1.2.1 255.255.255.252
ipv6 addr 1234:2::1 ffff:ffff::
ipv4 bfd 100 100 3
ipv6 bfd 100 100 3
exit
server tel tel
vrf v1
exit
tracker t1
vrf v1
targ 1.1.2.2
mod bfd
inter 1000
time 500
start
exit
tracker t2
vrf v1
targ 1234:2::2
mod bfd
inter 1000
time 500
start
exit
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.2 dist 22
ipv6 route v1 :: :: 1234:1::2 dist 22
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.2.2 dist 11 track t1
ipv6 route v1 :: :: 1234:2::2 dist 11 track t2
r2
hostname r2
vrf def v1
rd 1:1
exit
int lo0
vrf for v1
ipv4 addr 2.2.2.201 255.255.255.255
ipv6 addr 4321::201 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
exit
int eth1
vrf for v1
ipv4 addr 1.1.1.2 255.255.255.252
ipv6 addr 1234:1::2 ffff:ffff::
exit
int eth2
vrf for v1
ipv4 addr 1.1.2.2 255.255.255.252
ipv6 addr 1234:2::2 ffff:ffff::
ipv4 bfd 100 100 3
ipv6 bfd 100 100 3
exit
server tel tel
vrf v1
exit
tracker t1
vrf v1
targ 1.1.2.1
mod bfd
inter 1000
time 500
start
exit
tracker t2
vrf v1
targ 1234:2::1
mod bfd
inter 1000
time 500
start
exit
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.1 dist 22
ipv6 route v1 :: :: 1234:1::1 dist 22
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.2.1 dist 11 track t1
ipv6 route v1 :: :: 1234:2::1 dist 11 track t2
r2 tping 100 5 2.2.2.101 vrf v1
r2 tping 100 5 4321::101 vrf v1
r1 tping 100 5 2.2.2.201 vrf v1
r1 tping 100 5 4321::201 vrf v1
r2 output show tracker
r2 output show ipv4 bfd v1 nei
r2 output show ipv6 bfd v1 nei
r2 output show ipv4 route v1
r2 output show ipv6 route v1
r1 send conf t
r1 send int eth1
r1 send no shut
r1 send exit
r1 send int eth2
r1 send shut
r1 send end
r2 tping 100 5 2.2.2.101 vrf v1
r2 tping 100 5 4321::101 vrf v1
r1 tping 100 5 2.2.2.201 vrf v1
r1 tping 100 5 4321::201 vrf v1
output ../binTmp/rout-bfd.html
<html><body bgcolor="#000000" text="#FFFFFF" link="#00FFFF" vlink="#00FFFF" alink="#00FFFF">
here are the trackers:
here is the ipv4 neighbor:
here is the ipv6 neighbor:
here are the ipv4 routes:
here are the ipv6 routes:
- Install ContainerLab as described here
- Fetch rout-static05 file
- Launch ContainerLab
rout-static05.yml
topology:
containerlab deploy --topo rout-static05.yml
rout-static05.yml
topology:
containerlab destroy --topo rout-static05.yml