Cisco CRS Command Reference Guide

(Optional) Units for the threshold values. Values can be:
• bytes—bytes
• gbytes—gigabytes
• cells—cells (ATM subinterfaces only)
• kbytes—kilobytes
• mbytes —megabytes
• ms —milliseconds
• packets —packets (default)
• us —microseconds
units
Probability value.
probability
Command Default
Default unit for max-threshold and min-threshold is packets .
Command Modes
Policy map class configuration
Command History
ModificationRelease
This command was introduced.Release 2.0
Range of values for the thresholds
changed from 512 to 1073741823
to 0 to 1073741823.
Release 3.2
The units argument was added to
allow specifying the units of the
thresholds.
Release 3.3.0
For the random-detect command
to take effect, there is no longer a
requirement to configure the shape
average , bandwidth (QoS) , or
bandwidth remaining commands
in the user-defined policy map
class.
Release 3.9.0
The cells unit was added.
Release 3.9.2
Cisco IOS XR Modular Quality of Service Command Reference for the Cisco CRS Router, Release 4.0
76 OL-23235-03
Quality of Service Commands on the Cisco IOS XR Software
random-detect

Cisco CRS Specifications

General

Operating System	Cisco IOS XR
Product Type	Core Router
Form Factor	Modular Chassis
Dimensions	Varies by chassis type
Weight	Varies by chassis type
Architecture	Distributed
Switch Fabric	Multi-stage
Interface Support	Ethernet, SONET/SDH, OTN
Interfaces/Ports	Varies by line card
Port Density	Varies by line card
Routing Protocol	BGP, IS-IS, OSPF, MPLS
Management	CLI, SNMP
Power Supply	Redundant, hot-swappable
Cooling	Redundant, Hot-swappable Fan Trays
Supported Protocols	IPv4, IPv6, MPLS
Management Interfaces	Ethernet, console
Security Features	ACLs