184System configuration using the CLI

Figure 58 "ping command responses" (page 184) shows sample ping responses.

Figure 58

ping command responses

Resetting the switch to default configuration

The restore factory-defaultcommand resets the switch to its default configuration.

The syntax for the restore factory-defaultcommand is:

restore factory-default [ -y force]

where the -yor force parameter instructs the switch not to prompt for confirmation. If the -yor force parameter is not included in the command, the following message appears:

Warning the switch will be reset to factory default configuration

Do you wish to continue (y/n) ?

Enter y to restore the switch to default.

The restore factory-defaultcommand is executed in the Privileged EXEC command mode.

Using DNS to ping and telnet

Using the Domain Name Server (DNS) client, you can ping or telnet to a host server or to a host by name. To use this feature, you must configure at least one DNS; you may also configure a default domain name. If you configure a default domain name, that name is appended to hostnames that do not contain a dot. The default domain name and addresses are saved in NVRAM.

The hostnames for ping and telnet cannot be longer than 63 alphanumeric characters, and the default DNS domain name cannot be longer than 255 characters. This section covers these commands:

"show ip dns command" (page 185)

"ping command" (page 183)

"ip name-server command" (page 186)

Nortel Ethernet Routing Switch 2500 Series

Overview — System Configuration

NN47215-500 (323162-B) 02.02 Standard

4.1 19 November 2007

Copyright © 2007, Nortel Networks

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Nortel Networks 2500 Series manual Resetting the switch to default configuration, Using DNS to ping and telnet