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Example: sdwan with l2tp2 and gre

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r1

hostname r1
aaa userlist usr
 username u password p
 username u privilege 14
 exit
crypto rsakey rsa generate 2048
crypto dsakey dsa generate 1024
crypto ecdsakey ecdsa generate 256
vrf def v1
 rd 1:1
 exit
int lo0
 vrf for v1
 ipv4 addr 1.1.1.99 255.255.255.255
 ipv6 addr 1234::99 ffff:ffff::
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 ipv6 addr 1234:1::1 ffff:ffff::
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.1.5 255.255.255.252
 ipv6 addr 1234:2::1 ffff:ffff::
 exit
int eth3
 vrf for v1
 ipv4 addr 1.1.1.9 255.255.255.252
 ipv6 addr 1234:3::1 ffff:ffff::
 exit
ipv4 pool p4 2.2.2.222 0.0.0.1 3
ipv6 pool p6 2222::222 ::1 3
server sdwan v9
 security authentication usr
 security rsakey rsa
 security dsakey dsa
 security ecdsakey ecdsa
 pool4 p4
 pool6 p6
 vrf v1
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 ipv6 addr 1234:1::2 ffff:ffff::
 exit
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.1
ipv6 route v1 :: :: 1234:1::1
proxy-profile p1
 vrf v1
 source eth1
 exit
int di1
 enc raw
 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
vpdn sdw
 int di1
 target 1234::99
 proxy p1
 pref ipv6
 user u
 pass p
 para gre
 proto sdwan
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.6 255.255.255.252
 ipv6 addr 1234:2::2 ffff:ffff::
 exit
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.5
ipv6 route v1 :: :: 1234:2::1
proxy-profile p1
 vrf v1
 source eth1
 exit
int di1
 enc raw
 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
vpdn sdw
 int di1
 target 1234::99
 proxy p1
 pref ipv6
 user u
 pass p
 para gre
 proto sdwan
 exit

r4

hostname r4
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.10 255.255.255.252
 ipv6 addr 1234:3::2 ffff:ffff::
 exit
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.9
ipv6 route v1 :: :: 1234:3::1
proxy-profile p1
 vrf v1
 source eth1
 exit
int di1
 enc raw
 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
vpdn sdw
 int di1
 target 1234::99
 proxy p1
 pref ipv6
 user u
 pass p
 calling 1701
 proto sdwan
 exit

r1 tping 100 60 1.1.1.2 vrf v1
r1 tping 100 60 1.1.1.6 vrf v1
r1 tping 100 60 1.1.1.10 vrf v1
r1 tping 100 60 1234:1::2 vrf v1
r1 tping 100 60 1234:2::2 vrf v1
r1 tping 100 60 1234:3::2 vrf v1
r2 tping 100 60 2.2.2.2 vrf v1
r2 tping 100 60 2.2.2.3 vrf v1
r2 tping 0 60 2.2.2.4 vrf v1
r3 tping 100 60 2.2.2.2 vrf v1
r3 tping 100 60 2.2.2.3 vrf v1
r3 tping 0 60 2.2.2.4 vrf v1
r4 tping 0 60 2.2.2.0 vrf v1
r4 tping 0 60 2.2.2.0 vrf v1
r4 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 2222::2 vrf v1
r2 tping 100 60 2222::3 vrf v1
r2 tping 0 60 2222::4 vrf v1
r3 tping 100 60 2222::2 vrf v1
r3 tping 100 60 2222::3 vrf v1
r3 tping 0 60 2222::4 vrf v1
r4 tping 0 60 2222::2 vrf v1
r4 tping 0 60 2222::3 vrf v1
r4 tping 100 60 2222::4 vrf v1
  1. Install ContainerLab as described here
  2. Fetch serv-sdwan07 file
  3. Launch ContainerLab serv-sdwan07.yml topology: 

   containerlab deploy --topo serv-sdwan07.yml
4. Destroy ContainerLab serv-sdwan07.yml topology: 

   containerlab destroy --topo serv-sdwan07.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-sdwan07.tst file here
  3. Launch serv-sdwan07.tst test: 

   java -jar ../../rtr.jar test tester serv-sdwan07 path ./ temp ./ wait
4. Destroy freeRtr serv-sdwan07.tst test: 

   Ctrl-C (In freeRtr test window)