Example: ospf transit area with bier¶
r1
hostname r1
vrf def v1
rd 1:1
exit
access-list test4
deny 1 any all any all
permit all any all any all
exit
access-list test6
deny all 4321:: ffff:: all 4321:: ffff:: all
permit all any all any all
exit
router ospf4 1
vrf v1
router 4.4.4.1
bier 256 10
area 0 ena
area 0 bier
red conn
exit
router ospf6 1
vrf v1
router 6.6.6.1
bier 256 10
area 0 ena
area 0 bier
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
router ospf4 1 ena
router ospf4 1 bier index 1
router ospf6 1 ena
router ospf6 1 bier index 1
exit
int eth1
vrf for v1
ipv4 addr 1.1.1.1 255.255.255.252
ipv6 addr 1234:1::1 ffff:ffff::
ipv4 access-group-in test4
ipv6 access-group-in test6
mpls enable
router ospf4 1 ena
router ospf6 1 ena
exit
int tun1
tun sou lo1
tun dest 9.9.9.9
tun doma 2.2.2.3
tun vrf v1
tun key 1
tun mod bier
vrf for v1
ipv4 addr 3.3.3.1 255.255.255.252
exit
int tun2
tun sou lo1
tun dest 9999::9
tun doma 4321::3
tun vrf v1
tun key 1
tun mod bier
vrf for v1
ipv6 addr 4321::1111 ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0
exit
r2
hostname r2
vrf def v1
rd 1:1
exit
access-list test4
deny 1 any all any all
permit all any all any all
exit
access-list test6
deny all 4321:: ffff:: all 4321:: ffff:: all
permit all any all any all
exit
router ospf4 1
vrf v1
router 4.4.4.2
bier 256 10
area 0 ena
area 0 bier
area 1 ena
area 1 bier
red conn
exit
router ospf6 1
vrf v1
router 6.6.6.2
bier 256 10
area 0 ena
area 0 bier
area 1 ena
area 1 bier
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
router ospf4 1 ena
router ospf4 1 bier index 2
router ospf6 1 ena
router ospf6 1 bier index 2
exit
int eth1
vrf for v1
ipv4 addr 1.1.1.2 255.255.255.252
ipv6 addr 1234:1::2 ffff:ffff::
ipv4 access-group-in test4
ipv6 access-group-in test6
mpls enable
router ospf4 1 ena
router ospf6 1 ena
exit
int eth2
vrf for v1
ipv4 addr 1.1.1.5 255.255.255.252
ipv6 addr 1234:2::1 ffff:ffff::
ipv4 access-group-in test4
ipv6 access-group-in test6
mpls enable
router ospf4 1 ena
router ospf4 1 area 1
router ospf6 1 ena
router ospf6 1 area 1
exit
r3
hostname r3
vrf def v1
rd 1:1
exit
access-list test4
deny 1 any all any all
permit all any all any all
exit
access-list test6
deny all 4321:: ffff:: all 4321:: ffff:: all
permit all any all any all
exit
router ospf4 1
vrf v1
router 4.4.4.3
bier 256 10
area 1 ena
area 1 bier
red conn
exit
router ospf6 1
vrf v1
router 6.6.6.3
bier 256 10
area 1 ena
area 1 bier
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
router ospf4 1 ena
router ospf4 1 bier index 3
router ospf6 1 ena
router ospf6 1 bier index 3
exit
int eth1
vrf for v1
ipv4 addr 1.1.1.6 255.255.255.252
ipv6 addr 1234:2::2 ffff:ffff::
ipv4 access-group-in test4
ipv6 access-group-in test6
mpls enable
router ospf4 1 ena
router ospf6 1 ena
exit
int tun1
tun sou lo1
tun dest 9.9.9.9
tun doma 2.2.2.1
tun vrf v1
tun key 3
tun mod bier
vrf for v1
ipv4 addr 3.3.3.2 255.255.255.252
exit
int tun2
tun sou lo1
tun dest 9999::9
tun doma 4321::1
tun vrf v1
tun key 3
tun mod bier
vrf for v1
ipv6 addr 4321::1112 ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0
exit
r1 tping 0 40 2.2.2.3 vrf v1 sou lo1
r3 tping 0 40 2.2.2.1 vrf v1 sou lo1
r1 tping 0 40 4321::3 vrf v1 sou lo1
r3 tping 0 40 4321::1 vrf v1 sou lo1
r1 tping 100 40 3.3.3.2 vrf v1
r1 tping 100 40 4321::1112 vrf v1
r3 tping 100 40 3.3.3.1 vrf v1
r3 tping 100 40 4321::1111 vrf v1
r2 output show ipv4 ospf 1 nei
r2 output show ipv6 ospf 1 nei
r2 output show ipv4 ospf 1 dat 0
r2 output show ipv6 ospf 1 dat 0
r2 output show ipv4 ospf 1 tre 0
r2 output show ipv6 ospf 1 tre 0
r2 output show ipv4 route v1
r2 output show ipv6 route v1
r2 output show ipv4 bier v1
r2 output show ipv6 bier v1
- Install ContainerLab as described here
- Fetch rout-ospf39 file
- Launch ContainerLab
rout-ospf39.yml
topology:
containerlab deploy --topo rout-ospf39.yml
rout-ospf39.yml
topology:
containerlab destroy --topo rout-ospf39.yml