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Example: isis inter-level with bier

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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 isis4 1
 vrf v1
 net 11.4444.0000.1111.00
 is-type level2
 bier 256 10
 both bier
 red conn
 exit
router isis6 1
 vrf v1
 net 11.6666.0000.1111.00
 is-type level2
 bier 256 10
 both bier
 red conn
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.255
 router isis4 1 ena
 router isis4 1 bier index 1
 exit
int lo2
 vrf for v1
 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 router isis6 1 ena
 router isis6 1 bier index 1
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 ipv4 access-group-in test4
 mpls enable
 router isis4 1 ena
 exit
int eth1.12
 vrf for v1
 ipv6 addr 1234:1::1 ffff:ffff::
 ipv6 access-group-in test6
 mpls enable
 router isis6 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 lo2
 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 isis4 1
 vrf v1
 net 22.4444.0000.2222.00
 is-type both
 bier 256 10
 both bier
 red conn
 exit
router isis6 1
 vrf v1
 net 22.6666.0000.2222.00
 is-type both
 bier 256 10
 both bier
 red conn
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 router isis4 1 ena
 router isis4 1 bier index 2
 exit
int lo2
 vrf for v1
 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 router isis6 1 ena
 router isis6 1 bier index 2
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 ipv4 access-group-in test4
 mpls enable
 router isis4 1 ena
 exit
int eth1.12
 vrf for v1
 ipv6 addr 1234:1::2 ffff:ffff::
 ipv6 access-group-in test6
 mpls enable
 router isis6 1 ena
 exit
int eth2.11
 vrf for v1
 ipv4 addr 1.1.1.5 255.255.255.252
 ipv4 access-group-in test4
 mpls enable
 router isis4 1 ena
 exit
int eth2.12
 vrf for v1
 ipv6 addr 1234:2::1 ffff:ffff::
 ipv6 access-group-in test6
 mpls enable
 router isis6 1 ena
 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 isis4 1
 vrf v1
 net 22.4444.0000.3333.00
 is-type level1
 bier 256 10
 both bier
 red conn
 exit
router isis6 1
 vrf v1
 net 22.6666.0000.3333.00
 is-type level1
 bier 256 10
 both bier
 red conn
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.3 255.255.255.255
 router isis4 1 ena
 router isis4 1 bier index 3
 exit
int lo2
 vrf for v1
 ipv6 addr 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 router isis6 1 ena
 router isis6 1 bier index 3
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.6 255.255.255.252
 ipv4 access-group-in test4
 mpls enable
 router isis4 1 ena
 exit
int eth1.12
 vrf for v1
 ipv6 addr 1234:2::2 ffff:ffff::
 ipv6 access-group-in test6
 mpls enable
 router isis6 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 lo2
 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 20 2.2.2.3 vrf v1 sou lo1
r3 tping 0 20 2.2.2.1 vrf v1 sou lo1
r1 tping 0 20 4321::3 vrf v1 sou lo2
r3 tping 0 20 4321::1 vrf v1 sou lo2
r1 tping 100 20 3.3.3.2 vrf v1
r1 tping 100 20 4321::1112 vrf v1
r3 tping 100 20 3.3.3.1 vrf v1
r3 tping 100 20 4321::1111 vrf v1
r2 output show ipv4 isis 1 nei
r2 output show ipv6 isis 1 nei
r2 output show ipv4 isis 1 dat 2
r2 output show ipv6 isis 1 dat 2
r2 output show ipv4 isis 1 tre 2
r2 output show ipv6 isis 1 tre 2
r2 output show ipv4 route v1
r2 output show ipv6 route v1
r2 output show ipv4 bier v1
r2 output show ipv6 bier v1
  1. Install ContainerLab as described here
  2. Fetch rout-isis051 file
  3. Launch ContainerLab rout-isis051.yml topology: 

   containerlab deploy --topo rout-isis051.yml
4. Destroy ContainerLab rout-isis051.yml topology: 

   containerlab destroy --topo rout-isis051.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-isis051.tst file here
  3. Launch rout-isis051.tst test: 

   java -jar ../../rtr.jar test tester rout-isis051 path ./ temp ./ wait
4. Destroy freeRtr rout-isis051.tst test: 

   Ctrl-C (In freeRtr test window)