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Example: ingress mask matching access list

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r1

hostname r1
access-list test4
 deny all any all any all len 256&896
 permit all any all any all
 exit
access-list test6
 deny all any all any all len 256&896
 permit all any all any all
 exit
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 ipv6 addr 1234::1 ffff:ffff::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 ipv6 addr 1234::2 ffff:ffff::
 exit

r2 tping 100 5 1.1.1.1 vrf v1 siz 100
r2 tping 100 5 1234::1 vrf v1 siz 100
r1 tping 100 5 1.1.1.2 vrf v1 siz 100
r1 tping 100 5 1234::2 vrf v1 siz 100
r2 tping 0 5 1.1.1.1 vrf v1 siz 300
r2 tping 0 5 1234::1 vrf v1 siz 300
r1 tping 0 5 1.1.1.2 vrf v1 siz 300
r1 tping 0 5 1234::2 vrf v1 siz 300
r2 tping 100 5 1.1.1.1 vrf v1 siz 500
r2 tping 100 5 1234::1 vrf v1 siz 500
r1 tping 100 5 1.1.1.2 vrf v1 siz 500
r1 tping 100 5 1234::2 vrf v1 siz 500
  1. Install ContainerLab as described here
  2. Fetch crypt-acl74 file
  3. Launch ContainerLab crypt-acl74.yml topology: 

   containerlab deploy --topo crypt-acl74.yml
4. Destroy ContainerLab crypt-acl74.yml topology: 

   containerlab destroy --topo crypt-acl74.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 crypt-acl74.tst file here
  3. Launch crypt-acl74.tst test: 

   java -jar ../../rtr.jar test tester crypt-acl74 path ./ temp ./ wait
4. Destroy freeRtr crypt-acl74.tst test: 

   Ctrl-C (In freeRtr test window)