Example: qos egress tos matcher

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
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.2
ipv6 route v1 :: :: 1234::2

r2

hostname r2
vrf def v1
 rd 1:1
 exit
policy-map p1
 seq 10 act drop
  match tos 123
 seq 20 act trans
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 service-policy-out p1
 exit
int eth2
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 4321::1 ffff::
 service-policy-out p1
 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
 ipv6 addr 4321::2 ffff::
 exit
ipv4 route v1 0.0.0.0 0.0.0.0 2.2.2.1
ipv6 route v1 :: :: 4321::1

r1 tping 100 5 2.2.2.2 vrf v1 tos 124
r3 tping 100 5 1.1.1.1 vrf v1 tos 124
r1 tping 100 5 4321::2 vrf v1 tos 124
r3 tping 100 5 1234::1 vrf v1 tos 124
r1 tping 0 5 2.2.2.2 vrf v1 tos 123
r3 tping 0 5 1.1.1.1 vrf v1 tos 123
r1 tping 0 5 4321::2 vrf v1 tos 123
r3 tping 0 5 1234::1 vrf v1 tos 123

ContainerLabfreeRtr CLI

1. Install ContainerLab as described here
2. Fetch qos-match04 file
3. Launch ContainerLab qos-match04.yml topology:

   containerlab deploy --topo qos-match04.yml  

4. Destroy ContainerLab qos-match04.yml topology:

   containerlab destroy --topo qos-match04.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 qos-match04.tst file here
3. Launch qos-match04.tst test:

   java -jar ../../rtr.jar test tester qos-match04 path ./ temp ./ wait

4. Destroy freeRtr qos-match04.tst test:

   Ctrl-C (In freeRtr test window)