Example: authoritative dns server

TopologyConfigurationsVerificationEmulation

r1

hostname r1
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
server dns dns
 zone test.corp defttl 43200
 rr ip4a.test.corp ip4a 1.1.1.1
 rr ip6a.test.corp ip6a 1234::1
 rr ip4i.test.corp ip4i eth1
 rr ip6i.test.corp ip6i eth1
 vrf v1
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
proxy-profile p1
 vrf v1
 source ethernet1
 exit
client proxy p1
client name-server 1.1.1.1

r2 tping 100 15 1.1.1.1 vrf v1
r2 tping 100 15 ip4a.test.corp vrf v1
r2 tping 100 15 ip6a.test.corp vrf v1
r2 tping 100 15 ip4i.test.corp vrf v1
r2 tping 100 15 ip6i.test.corp vrf v1

ContainerLabfreeRtr CLI

1. Install ContainerLab as described here
2. Fetch serv-dns01 file
3. Launch ContainerLab serv-dns01.yml topology:

   containerlab deploy --topo serv-dns01.yml  

4. Destroy ContainerLab serv-dns01.yml topology:

   containerlab destroy --topo serv-dns01.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 serv-dns01.tst file here
3. Launch serv-dns01.tst test:

   java -jar ../../rtr.jar test tester serv-dns01 path ./ temp ./ wait

4. Destroy freeRtr serv-dns01.tst test:

   Ctrl-C (In freeRtr test window)