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Example: interop1: modem with ulaw

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
server modem sm
 codec ulaw
 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
int eth2
 vrf for v1
 ipv4 addr 1.1.2.2 255.255.255.0
 ipv6 addr 4321::2 ffff::
 exit
dial-peer 1
 codec ulaw
 match-calling .*
 match-called .*
 vrf v1
 myname 99
 port-local 5060
 target 1.1.1.1
 direction both
 exit
dial-peer 2
 codec ulaw
 match-calling .*
 match-called .*
 vrf v1
 myname 99
 port-local 5060
 target 1.1.2.1
 direction both
 exit

r3

hostname r3
ip routing
ipv6 unicast-routing
interface gigabit1
 ip address 1.1.2.1 255.255.255.0
 no shutdown
 exit
interface gigabit2
 ip address 1.1.3.1 255.255.255.0
 no shutdown
 exit
voice service voip
 no ip address trusted authenticate
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 connection-reuse
dial-peer voice 1 voip
 destination-pattern 2[0-9]
 media flow-through
 session protocol sipv2
 session target ipv4:1.1.2.2
 session transport udp
 codec g711ulaw
 no vad
dial-peer voice 2 voip
 destination-pattern 3[0-9]
 media flow-through
 session protocol sipv2
 session target ipv4:1.1.3.2
 session transport udp
 codec g711ulaw
 no vad

r4

hostname r4
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.3.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
translation-rule 1
 match ^.*<sip:(?<n>.*)@(?<d>.*)>.*$
 match ^sip:(?<n>.*)@(?<d>.*)$
 match ^(?<n>.*)$
 text "
 variable n
 text "
 character 32
 text <sip:
 variable n
 text @1.1.3.1>
 exit
dial-peer 1
 codec ulaw
 match-calling .*
 match-called .*
 port-local 5060
 translate-out-calling 1
 translate-out-called 1
 vrf v1
 myname 99
 target 1.1.3.1
 direction both
 exit

r2 tping 100 10 1.1.1.1 vrf v1
r2 tping 100 10 1.1.2.2 vrf v1
r4 tping 100 10 1.1.3.1 vrf v1
r4 send pack modem 22 33
r4 tping 100 5 2.2.2.2 vrf v1
  1. Install ContainerLab as described here
  2. Fetch intop1-modem02 file
  3. Launch ContainerLab intop1-modem02.yml topology: 

   containerlab deploy --topo intop1-modem02.yml
4. Destroy ContainerLab intop1-modem02.yml topology: 

   containerlab destroy --topo intop1-modem02.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 intop1-modem02.tst file here
  3. Launch intop1-modem02.tst test: 

   java -jar ../../rtr.jar test tester intop1-modem02 path ./ temp ./ wait
4. Destroy freeRtr intop1-modem02.tst test: 

   Ctrl-C (In freeRtr test window)