EX Series switches support the following tests and probe types:
•
Ping tests:
•
ICMP echo
•
ICMP timestamp
•
HTTP tests:
•
HTTP get (not available for BGP RPM services)
•
UDP and TCP tests with user-configured ports:
•
UDP echo
•
TCP connection
•
UDP timestamp
To account for latency in the communication of probe messages, you can enable
timestamping of the probe packets. You must configure both the requester and the
responder to timestamp the RPM packets. The RPM features provides an additional
configuration option to set one-way hardware timestamps. Use one-way timestamps
when you want information about one-way, rather than round-trip, times for packets to
traverse the network between the requester and the responder.
NOTE:
•
EX Series switches support hardware timestamps for UDP and ICMP probes.
EX Series switches do not support hardware timestamps for HTTP or TCP
probes.
•
If the responder does not support hardware timestamps, RPM can only
report the round-trip measurements, it cannot calculate round-trip jitter.
•
In EX Series switches timestamps apply only to IPv4 traffic.
To configure RPM using the J-Web interface:
1. Select Troubleshoot > RPM > Configure RPM .
2. In the Configure RPM page, enter information as specified in Table 75 on page 153.
a. Click Add to set up the Owner Name and Performance Probe Tests.
b. Select a probe owner from Probe Owners list and click Delete to remove the selected
probe owner
Copyright © 2017, Juniper Networks, Inc.152
J-Web Application Package User Guide for EX Series Switches, Release 14.1X53-A1
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