CHAPTER 29
Understanding Network Management
•
Real-Time Performance Monitoring on ACX Series Routers on page 963
•
TWAMP on ACX Series on page 964
•
Storm Control on ACX Series Routers Overview on page 966
•
Standard SNMP MIBs Supported by Junos OS on page 967
•
Enterprise-Specific MIBs and Supported Devices on page 984
Real-Time Performance Monitoring on ACX Series Routers
Real-time performance monitoring (RPM) allows the user to perform service-level
monitoring. When RPM is configured on a router, the router calculates network
performance based on packet response time, jitter, and packet loss. RPM is supported
on all ACX Series routers. You can configure these values to be gathered by HTTP, Internet
Control Message Protocol (ICMP), TCP, and UDP requests. The router gathers RPM
statistics by sending out probes to a specified probe target, identified by an IP address.
When the target receives a probe, it generates responses that are received by the router.
You set the probe options in the test test-name statement at the [edit services rpm probe
owner] hierarchy level. You use the show services rpm probe-results command to view
the results of the most recent RPM probes.
NOTE: Packet Forwarding Engine timestamping is available only for ICMP
probes and for UDP probes with the destination port set to UDP_ECHO port
(7).
On ACX Series routers, the following statements are supported at the [edit services rpm]
hierarchy level:
probe owner {
test test-name {
data-fill data;
data-size size;
destination-interface interface-name;
destination-port port;
dscp-code-point dscp-bits;
hardware-timestamp;
history-size size;
moving-average-size number;
963Copyright © 2017, Juniper Networks, Inc.
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