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The Two-Way Active Measurement Protocol (TWAMP)

MX EX and SRX supporting TWAMP:

https://apps.juniper.net/feature-explorer/feature-family-info.html?familyName=Services%20Applications

https://www.juniper.net/documentation/en_US/junos/topics/concept/twamp-overview-d110.html

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Server Side:

set twamp server routing-instance-list Edu port 10862
set twamp server authentication-mode none
set twamp server client-list Senders address 192.168.0.0/16

set ethernet connectivity-fault-management linktrace
set ethernet connectivity-fault-management maintenance-domain md7 level 7
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 continuity-check interval 10s
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 continuity-check hold-interval 1
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 mep 2001 interface ge-0/0/1.0
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 mep 2001 direction down
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 mep 2001 auto-discovery

Client Side:

set ethernet connectivity-fault-management linktrace
set ethernet connectivity-fault-management maintenance-domain md7 level 7
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 continuity-check interval 10s
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 continuity-check hold-interval 1
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 mep 101 interface ge-0/0/1.0
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 mep 101 direction down
set ethernet connectivity-fault-management maintenance-domain md7 maintenance-association ma7 mep 101 auto-discovery

set twamp client control-connection Reflector1 destination-port 10862
set twamp client control-connection Reflector1 routing-instance Edu
set twamp client control-connection Reflector1 target-address 192.168.1.2
set twamp client control-connection Reflector1 test-count 0
set twamp client control-connection Reflector1 test-interval 10
set twamp client control-connection Reflector1 test-session Class1 target-address 192.168.1.2
set twamp client control-connection Reflector1 test-session Class1 dscp-code-points ef
set twamp client control-connection Reflector1 test-session Class2 target-address 192.168.1.2
set twamp client control-connection Reflector1 test-session Class2 dscp-code-points af41

request services rpm twamp start client

show services rpm twamp client history-results

MX80:

set performance-monitoring hardware-assisted-timestamping
set performance-monitoring delegate-server-processing