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Cisco ASR 9000 User Manual

Cisco ASR 9000
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70
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-28417-02
Chapter Configuring General Router Features
Manually Setting the Router Clock
DETAILED STEPS
Examples
The following example shows how the manual system clock is configured:
RP/0//CPU0:router# configure
RP/0//CPU0:router(config)# clock timezone pst -8
RP/0//CPU0:router(config)# commit
RP/0//CPU0:router(config)# end
Command or Action Purpose
Step 1
configure
Example:
RP/0//CPU0:router# configure
Enters global configuration mode.
Step 2
clock timezone zone hours-offset
Example:
RP/0//CPU0:router(config)# clock timezone pst
-8
Sets the time zone for the router clock.
clock timezone command should be entered before
the clock is set because it defines the difference
between the system time and UTC.
Note The system time is the time that appears when you
enter the show clock command.
zone—Name of the time zone to be displayed when
standard time is in effect.
hours-offset—Difference in hours from UTC.
Step 3
commit
Example:
RP/0//CPU0:router(config-if)# commit
Commits the target configuration to the running
configuration.
Step 4
end
Example:
RP/0//CPU0:router(config-if)# end
Ends the configuration session and returns to EXEC mode.
Step 5
clock set hh:mm:ss dd mm yyyy
Example:
RP/0//CPU0:router# clock set 14:12:00 10 dec
2008
Sets the system software clock.
Step 6
clock update-calendar
Example:
RP/0//CPU0:router# clock update-calendar
Updates the hardware clock (calendar clock) with the new
clock settings.
It is battery operated and runs continuously, even if the
router is powered off or rebooted.
Step 7
show clock
Example:
RP/0//CPU0:router# show clock
Displays the clock setting.
Use this command to verify the settings.

Table of Contents

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Cisco ASR 9000 Specifications

General IconGeneral
Operating SystemCisco IOS XR
ManagementCLI, SNMP, NETCONF, RESTCONF
TypeEdge Router
Interface Support10G, 40G, 100G, 400G
Power SupplyAC and DC options available
Routing ProtocolBGP, IS-IS, OSPF, EIGRP
StorageSSD
Operating Temperature0 to 40°C (32 to 104°F)
Humidity5 to 95% (noncondensing)
RedundancyYes (Power, Fabric, Route Processor)
MTBFVaries by model (typically > 200, 000 hours)

Summary

Introduction to the Cisco ASR 9000 Series Aggregation Services Router

Initial Router Configuration

Explains the initial router configuration process upon booting.

Selecting and Identifying the Active RSP/DSC

Guides on selecting and identifying the active RSP/DSC for router operation.

Connecting to the Router via Console Port

Provides steps for connecting to the router using the console port for initial setup.

Bringing Up Cisco IOS XR Software on the Router

Bringing Up and Configuring a Standalone Router

Guides on connecting and configuring username/password for a standalone router.

Verifying System After Initial Boot

Provides procedures to verify the router's status after the initial boot.

Configuring General Router Features

Connecting and Communicating with the Router

Explains how to establish communication with the router via CLI.

Logging In to a Router or SDR

Details the process of logging into the router using username and password.

Managing Configuration Sessions

Details the two-stage process for making and committing configuration changes.

Configuring Additional Router Features

Managing Configuration History and Rollback

Explains how to manage committed configuration changes and perform rollbacks.

CLI Tips, Techniques, and Shortcuts

Displaying System Information with show Commands

Explains how to use show commands to display system status and configuration.

Troubleshooting the Cisco IOS XR Software

Basic Troubleshooting Commands

Introduces basic commands for diagnosing connectivity and router operation.

Configuration Error Messages

Explains how to display and interpret configuration error messages.

Memory Warnings in Configuration Sessions

Covers low-memory warnings and how to resolve them.

Troubleshooting Interfaces Not Coming Up

Provides steps to verify and troubleshoot interface status issues.

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