Description

This article explains TWAMP server behavior when configured it as light mode.

Symptoms

Below output does not shows any data.

lab@VMX-0> show services rpm twamp server

Mar 11 16:08:50

lab@VMX-0> show services rpm twamp server

Mar 11 16:08:51

lab@VMX-0> show services rpm twamp server

Mar 11 16:08:52

Solution

It is found that below two CLIs are not applicable for TWAMP-Light Server

  • show pfe-services twamp connection​
  • show pfe-services twamp session

Only at PFE, we provided the debug commands to see TWAMP Light session details.

# show pfe-services twamp global

Below is the sample output from lab device.

VMX-0( vty)# show pfe-services twamp global   

Control Statistics

Num Connections: 0

Num Sessions: 0

Num Connection Create Message.: 0

Num Connection Update Message.: 0

Num Connection Delete Message.: 0

Num Session Delete Message.  : 0

Num Failed Connection Create. : 0

Num Failed Connection Delete. : 0

Num Failed Session Create.  : 0

Num Failed Session Start.   : 0

Num Failed Session Stop.   : 0

Num Failed Session Delete.  : 0

Num Failed Session Delete.  : 0

 

Data Statistics

Num Client Packets TimeStamped (PFE)  : 0

Num Control Packets Received      : 0

Num IPv4 Data Packets Received     : 592

Num IPv6 Data Packets Received     : 0

Num IPv4 Data Packets Twamped      : 592

 

 

 

Modification History

2025-03-31 : Article Created