Configuring And Using Dns Resolution With Dns-Compatible Commands; Configuring A Dns Entry - HP Aruba JL253A Management And Configuration Manual

Configuring and using DNS resolution with DNS-compatible commands

The DNS-compatible commands include ping and traceroute.)
Procedure
1. Determine the following:
a. The IP address for a DNS server operating in a domain in your network.
b. The priority (1 to 3) of the selected server, relative to other DNS servers in the domain.
c. The domain name for an accessible domain in which there are hosts you want to reach with a DNS-
compatible command. (This is the domain suffix in the fully qualified domain name for a given host
operating in the selected domain. See Basic operation on page 544.) Note that if a domain suffix is not
configured, fully qualified domain names can be used to resolve DNS-compatible commands.
d. The host names assigned to target IP addresses in the DNS server for the specified domain.
2. Use the data from the first three bullets in step1 to configure the DNS entry on the switch.
3. Use a DNS-compatible command with the host name to reach the target devices.

Configuring a DNS entry

The switch allows up to two DNS server entries (IP addresses for DNS servers). One domain suffix can also be
configured to support resolution of DNS names in that domain by using a host name only. Including the domain
suffix enables the use of DNS-compatible commands with a target's host name instead of the target's fully
qualified domain name.
Syntax:
[no] ip dns server-address priority <1-3> <ip-addr>
Configures the access priority and IP address of a DNS server accessible to the switch. These settings specify:
• The relative priority of the DNS server when multiple servers are configured
• The IP address of the DNS server
These settings must be configured before a DNS-compatible command can be executed with host name criteria.
The switch supports two prioritized DNS server entries. Configuring another IP address for a priority that has
already been assigned to an IP address is not allowed.
To replace one IP address at a given priority level with another address having the same priority, you must first
use the no form of the command to remove the unwanted address. Also, only one instance of a given server
address is allowed in the server list. Attempting to enter a duplicate of an existing entry at a different priority level
is not allowed .
To change the priority of an existing server address, use the no form of the command to remove the entry, then
re-enter the address with the new priority.
The no form of the command replaces the configured IP address with the null setting. (Default: null)
Syntax:
[no] ip dns domain-name <domain-name-suffix>
546 Aruba 2930F / 2930M Management and Configuration Guide
for ArubaOS-Switch 16.08