Cisco ASR 901 User Manual

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Cisco ASR 901 Aggregation Services Router Command Reference Guide
OL-26031-07
Chapter 1 CLI Command Reference
set ip tos (route-map)
set ip tos (route-map)
To set the type of service (ToS) bits in the header of an IP packet, use the set ip tos command in
route-map configuration mode. To leave the ToS bits unchanged, use the no form of this command.
set ip tos [tos-bit-value | max-reliability | max-throughput | min-delay | min-monetary-cost |
normal]
no set ip tos
Syntax Description
Command Default Disabled
Command Modes Route-map configuration
Command History
Usage Guidelines This command allows you to set four bits in the ToS byte header. Table 1-5 shows the format of the four
bits in binary form.
The T3 bit sets the delay. Setting T3 to 0 equals normal delay, and setting it to 1 equals low delay.
tos-bit-value (Optional) A value (number) from 0 to 15 that sets the ToS bits in the IP
header. See Table 1-5 for more information.
max-reliability (Optional) Sets the maximum reliability ToS bits to 2.
max-throughput (Optional) Sets the maximum throughput ToS bits to 4.
min-delay (Optional) Sets the minimum delay ToS bits to 8.
min-monetary-cost (Optional) Sets the minimum monetary cost ToS bits to 1.
normal (Optional) Sets the normal ToS bits to 0.
Release Modification
15.1(2)SNG Support for this command was introduced on the Cisco ASR 901 router.
Ta b l e 1- 5 To S B i t s a n d D e s c ri p t i o n
T3 T2 T1 T0 Description
00000 normal forwarding
00011 minimum monetary cost
00102 maximum reliability
01004 maximum throughput
10008 minimum delay

Cisco ASR 901 Specifications

General

Form Factor	Rack-mountable
Operating Temperature	-40 to 65°C
Product Type	Aggregation Services Router
Rack Height	1 RU
Storage Temperature	-40 to 70°C
Humidity	5% to 95% non-condensing
Weight	4.5 kg
Power Supply	AC or DC
Compliance	RoHS, CE, FCC
Redundancy	Dual power supply option
MTBF	320, 000 hours

Summary

About This Guide

Document Revision History

Details technical changes made to the document across various releases.

Objectives

Explains the purpose and scope of the guide for Cisco ASR 901 Series routers.

Audience

Identifies the intended readers for this guide, focusing on networking professionals.

Conventions

Explains typographical conventions used in the document for clarity and consistency.

Related Documentation

Lists other Cisco documentation relevant to the ASR 901 Series router.

Obtaining Documentation and Submitting a Service Request

Provides information on how to access Cisco documentation and submit service requests.

Using Command-Line Interface

Getting Help

Describes how to use the question mark (?) and Tab key for context-sensitive CLI help.

How to Find Command Options

Explains how to display command syntax and find available keywords and arguments.

Understanding Command Modes

Details the different command modes in the Cisco IOS user interface and their access methods.

Using the No and Default Forms of Commands

Explains how to use 'no' and 'default' forms to disable or revert commands.

Saving Configuration Changes

Describes the procedure for saving running configuration changes to the startup configuration.