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Example: bgp prefix packing

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.255
 ipv6 addr 2222::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo2
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 ipv6 addr 2222::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo3
 vrf for v1
 ipv4 addr 2.2.2.3 255.255.255.255
 ipv6 addr 2222::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo4
 vrf for v1
 ipv4 addr 2.2.2.4 255.255.255.255
 ipv6 addr 2222::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo5
 vrf for v1
 ipv4 addr 2.2.2.5 255.255.255.255
 ipv6 addr 2222::5 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo6
 vrf for v1
 ipv4 addr 2.2.2.6 255.255.255.255
 ipv6 addr 2222::6 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo7
 vrf for v1
 ipv4 addr 2.2.2.7 255.255.255.255
 ipv6 addr 2222::7 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo8
 vrf for v1
 ipv4 addr 2.2.2.8 255.255.255.255
 ipv6 addr 2222::8 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.0.0.0
 ipv6 addr 1234:1::1 ffff:ffff::
 exit
router bgp4 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 1
 router-id 4.4.4.1
 neigh 1.1.1.2 remote-as 2
 red conn
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 1
 router-id 6.6.6.1
 neigh 1234:1::2 remote-as 2
 red conn
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int lo1
 vrf for v1
 ipv4 addr 3.3.3.1 255.255.255.255
 ipv6 addr 3333::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo2
 vrf for v1
 ipv4 addr 3.3.3.2 255.255.255.255
 ipv6 addr 3333::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo3
 vrf for v1
 ipv4 addr 3.3.3.3 255.255.255.255
 ipv6 addr 3333::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo4
 vrf for v1
 ipv4 addr 3.3.3.4 255.255.255.255
 ipv6 addr 3333::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo5
 vrf for v1
 ipv4 addr 3.3.3.5 255.255.255.255
 ipv6 addr 3333::5 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo6
 vrf for v1
 ipv4 addr 3.3.3.6 255.255.255.255
 ipv6 addr 3333::6 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo7
 vrf for v1
 ipv4 addr 3.3.3.7 255.255.255.255
 ipv6 addr 3333::7 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo8
 vrf for v1
 ipv4 addr 3.3.3.8 255.255.255.255
 ipv6 addr 3333::8 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.0.0.0
 ipv6 addr 1234:1::2 ffff:ffff::
 exit
router bgp4 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 2
 router-id 4.4.4.2
 neigh 1.1.1.1 remote-as 1
 red conn
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 2
 router-id 6.6.6.2
 neigh 1234:1::1 remote-as 1
 red conn
 exit

r1 tping 100 60 3.3.3.1 vrf v1
r1 tping 100 60 3333::1 vrf v1
r1 tping 100 60 3.3.3.2 vrf v1
r1 tping 100 60 3333::2 vrf v1
r1 tping 100 60 3.3.3.3 vrf v1
r1 tping 100 60 3333::3 vrf v1
r1 tping 100 60 3.3.3.4 vrf v1
r1 tping 100 60 3333::4 vrf v1
r1 tping 100 60 3.3.3.5 vrf v1
r1 tping 100 60 3333::5 vrf v1
r1 tping 100 60 3.3.3.6 vrf v1
r1 tping 100 60 3333::6 vrf v1
r1 tping 100 60 3.3.3.7 vrf v1
r1 tping 100 60 3333::7 vrf v1
r1 tping 100 60 3.3.3.8 vrf v1
r1 tping 100 60 3333::8 vrf v1
r2 tping 100 60 2.2.2.1 vrf v1
r2 tping 100 60 2222::1 vrf v1
r2 tping 100 60 2.2.2.2 vrf v1
r2 tping 100 60 2222::2 vrf v1
r2 tping 100 60 2.2.2.3 vrf v1
r2 tping 100 60 2222::3 vrf v1
r2 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 2222::4 vrf v1
r2 tping 100 60 2.2.2.5 vrf v1
r2 tping 100 60 2222::5 vrf v1
r2 tping 100 60 2.2.2.6 vrf v1
r2 tping 100 60 2222::6 vrf v1
r2 tping 100 60 2.2.2.7 vrf v1
r2 tping 100 60 2222::7 vrf v1
r2 tping 100 60 2.2.2.8 vrf v1
r2 tping 100 60 2222::8 vrf v1
r1 send conf t
r1 send router bgp4 1
r1 send no red conn
r1 send exit
r1 send router bgp6 1
r1 send no red conn
r1 send end
r1 tping 100 60 3.3.3.1 vrf v1
r1 tping 100 60 3333::1 vrf v1
r1 tping 100 60 3.3.3.2 vrf v1
r1 tping 100 60 3333::2 vrf v1
r1 tping 100 60 3.3.3.3 vrf v1
r1 tping 100 60 3333::3 vrf v1
r1 tping 100 60 3.3.3.4 vrf v1
r1 tping 100 60 3333::4 vrf v1
r1 tping 100 60 3.3.3.5 vrf v1
r1 tping 100 60 3333::5 vrf v1
r1 tping 100 60 3.3.3.6 vrf v1
r1 tping 100 60 3333::6 vrf v1
r1 tping 100 60 3.3.3.7 vrf v1
r1 tping 100 60 3333::7 vrf v1
r1 tping 100 60 3.3.3.8 vrf v1
r1 tping 100 60 3333::8 vrf v1
r2 tping 0 60 2.2.2.1 vrf v1
r2 tping 0 60 2222::1 vrf v1
r2 tping 0 60 2.2.2.2 vrf v1
r2 tping 0 60 2222::2 vrf v1
r2 tping 0 60 2.2.2.3 vrf v1
r2 tping 0 60 2222::3 vrf v1
r2 tping 0 60 2.2.2.4 vrf v1
r2 tping 0 60 2222::4 vrf v1
r2 tping 0 60 2.2.2.5 vrf v1
r2 tping 0 60 2222::5 vrf v1
r2 tping 0 60 2.2.2.6 vrf v1
r2 tping 0 60 2222::6 vrf v1
r2 tping 0 60 2.2.2.7 vrf v1
r2 tping 0 60 2222::7 vrf v1
r2 tping 0 60 2.2.2.8 vrf v1
r2 tping 0 60 2222::8 vrf v1
r1 send conf t
r1 send router bgp4 1
r1 send red conn
r1 send exit
r1 send router bgp6 1
r1 send red conn
r1 send end
r1 tping 100 60 3.3.3.1 vrf v1
r1 tping 100 60 3333::1 vrf v1
r1 tping 100 60 3.3.3.2 vrf v1
r1 tping 100 60 3333::2 vrf v1
r1 tping 100 60 3.3.3.3 vrf v1
r1 tping 100 60 3333::3 vrf v1
r1 tping 100 60 3.3.3.4 vrf v1
r1 tping 100 60 3333::4 vrf v1
r1 tping 100 60 3.3.3.5 vrf v1
r1 tping 100 60 3333::5 vrf v1
r1 tping 100 60 3.3.3.6 vrf v1
r1 tping 100 60 3333::6 vrf v1
r1 tping 100 60 3.3.3.7 vrf v1
r1 tping 100 60 3333::7 vrf v1
r1 tping 100 60 3.3.3.8 vrf v1
r1 tping 100 60 3333::8 vrf v1
r2 tping 100 60 2.2.2.1 vrf v1
r2 tping 100 60 2222::1 vrf v1
r2 tping 100 60 2.2.2.2 vrf v1
r2 tping 100 60 2222::2 vrf v1
r2 tping 100 60 2.2.2.3 vrf v1
r2 tping 100 60 2222::3 vrf v1
r2 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 2222::4 vrf v1
r2 tping 100 60 2.2.2.5 vrf v1
r2 tping 100 60 2222::5 vrf v1
r2 tping 100 60 2.2.2.6 vrf v1
r2 tping 100 60 2222::6 vrf v1
r2 tping 100 60 2.2.2.7 vrf v1
r2 tping 100 60 2222::7 vrf v1
r2 tping 100 60 2.2.2.8 vrf v1
r2 tping 100 60 2222::8 vrf v1
  1. Install ContainerLab as described here
  2. Fetch rout-bgp310 file
  3. Launch ContainerLab rout-bgp310.yml topology: 

   containerlab deploy --topo rout-bgp310.yml
4. Destroy ContainerLab rout-bgp310.yml topology: 

   containerlab destroy --topo rout-bgp310.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-bgp310.tst file here
  3. Launch rout-bgp310.tst test: 

   java -jar ../../rtr.jar test tester rout-bgp310 path ./ temp ./ wait
4. Destroy freeRtr rout-bgp310.tst test: 

   Ctrl-C (In freeRtr test window)