Cisco ASR 9000 User Manual (English)

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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide

OL-28417-02

Chapter Configuring Additional Router Features

Configuring the Domain Name and Domain Name Server

To configure the DNS and DNS server, follow these steps:

SUMMARY STEPS

1. configure

2. domain name domain-name-of-organization

3. domain name-server ipv4-address

4. end or commit

5. show hosts

DETAILED STEPS

Command or Action Purpose

Step 1

configure

Example:

RP/0/RSP0/CPU0:router# configure

Enters global configuration mode.

Step 2

domain name domain-name-of-organization

Example:

RP/0/RSP0/CPU0:router(config)# domain name

cisco.com

Defines a default domain name used to complete

unqualified hostnames.

Step 3

domain name-server ipv4-address

Example:

RP/0/RSP0/CPU0:router(config)# domain

name-server 192.168.1.111

Specifies the address of a name server to use for name and

address resolution (hosts that supply name information).

Note You can enter up to six addresses, but only one for

each command.

Step 4

end

commit

Example:

RP/0/RSP0/CPU0:router(config)# end

RP/0/RSP0/CPU0:router(config)# commit

Saves configuration changes.

• When you issue the end command, the system prompts

you to commit changes:

Uncommitted changes found, commit them before

exiting(yes/no/cancel)?

[cancel]:

–

Entering yes saves configuration changes to the

running configuration file, exits the configuration

session, and returns the router to EXEC mode.

–

Entering no exits the configuration session and

returns the router to EXEC mode without

committing the configuration changes.

–

Entering cancel leaves the router in the current

configuration session without exiting or

committing the configuration changes.

• Use the commit command to save the configuration

changes to the running configuration file and remain

within the configuration session.

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Cisco ASR 9000 Specifications

General

Operating System	Cisco IOS XR
Management	CLI, SNMP, NETCONF, RESTCONF
Type	Edge Router
Interface Support	10G, 40G, 100G, 400G
Power Supply	AC and DC options available
Routing Protocol	BGP, IS-IS, OSPF, EIGRP
Storage	SSD
Operating Temperature	0 to 40°C (32 to 104°F)
Humidity	5 to 95% (noncondensing)
Redundancy	Yes (Power, Fabric, Route Processor)
MTBF	Varies by model (typically > 200, 000 hours)