Dns Resolver Configuration Example; Using Dns Resolver To Resolve A Hostname; Maintaining Dns Resolver; Showing Dns Resolver Information - Avaya G250 Administration Manual

DNS resolver configuration example

The following example defines three DNS servers for the list of DNS servers, three domain
names to add as suffixes to hostnames, a DNS query retry value, and a DNS query timeout
value. The final command in the example enables the DNS resolver
G350-001(config)# ip domain name-server-list 1
G350-001(config-name-server-list:1)# description "All DNS servers"
Done!
G350-001(config-name-server-list:1)# name-server 1 1.1.1.1
Done!
G350-001(config-name-server-list:1)# name-server 2 2.2.2.2
Done!
G350-001(config-name-server-list:1)# name-server 3 3.3.3.3
Done!
G350-001(config-name-server-list:1)# exit
G350-001(config)# ip domain list 1 support.avaya.com
Done!
G350-001(config)# ip domain list 2 global.avaya.com
Done!
G350-001(config)# ip domain list 3 avaya.com
Done!
G350-001(config)# ip domain retry 4
Done!
G350-001(config)# ip domain timeout 5
Done!
G350-001(config)# ip domain lookup
Done!

Using DNS resolver to resolve a hostname

Use the nslookup command, followed by a hostname, to resolve the hostname to an IP
address.

Maintaining DNS resolver

There are various commands you can use to display DNS resolver information, clear DNS
resolver counters, and display DNS resolver log messages.

Showing DNS resolver information

You can use the following commands to display information about DNS resolver:
Enter show ip domain to display the DNS resolver's configuration. The output shows
●
the DNS servers that were statically configured and those which were gathered using
DHCP or PPP protocols, as well as the list of domain suffixes.
DNS resolver
.
Issue 5 June 2008 103