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Example: ppp with tacacs authentication

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int ser1
 enc ppp
 ppp ip4cp close
 ppp ip6cp close
 ppp user c
 ppp pass c
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
proxy-profile p1
 vrf v1
 exit
client proxy p1
aaa tacacs usr
 secret c
 server 2.2.2.2
 exit
int eth1
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 exit
int ser1
 enc ppp
 ppp ip4cp close
 ppp ip6cp close
 ppp refuse chap
 ppp refuse eap
 ppp auth usr
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.0
 exit
aaa userlist usr
 username c password c
 exit
server tacacs rad
 authen usr
 secret c
 logg
 vrf v1
 exit

r2 tping 100 15 2.2.2.2 vrf v1
r1 tping 100 15 1.1.1.2 vrf v1
r2 tping 100 15 1.1.1.1 vrf v1
r1 tping 100 15 1234::2 vrf v1
r2 tping 100 15 1234::1 vrf v1
  1. Install ContainerLab as described here
  2. Fetch conn-ppp04 file
  3. Launch ContainerLab conn-ppp04.yml topology: 

   containerlab deploy --topo conn-ppp04.yml
4. Destroy ContainerLab conn-ppp04.yml topology: 

   containerlab destroy --topo conn-ppp04.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 conn-ppp04.tst file here
  3. Launch conn-ppp04.tst test: 

   java -jar ../../rtr.jar test tester conn-ppp04 path ./ temp ./ wait
4. Destroy freeRtr conn-ppp04.tst test: 

   Ctrl-C (In freeRtr test window)