HP 6120XG ProCurve Series 6120 Blade Switches Management and Configuration Gui - Page 598

Troubleshooting DNS Resolver Note that if the target host is in a domain other than the domain configured on the switch, then: ■ The host's domain must be reachable from the switch. This requires that the DNS server for the switch must be able to communicate with the DNS server(s) in the path to the domain in which the target host operates. ■ The fully qualified domain name must be used, and the domain suffix must correspond to the domain in which the target host operates, regardless of the domain suffix configured in the switch. Example. Suppose the switch is configured with the domain suffix mygroup.procurve.net and the IP address for an accessible DNS server in this same domain. This time, the operator wants to use the switch to trace the route to a host named "remote-01" in a different domain named common.group.net. Assuming this second domain is accessible to the DNS server already configured on the switch, a traceroute command using the target's fully qualified DNS name should succeed. ProCurve# traceroute remote-01.common.group.net traceroute to 10.22.240.73 Fully Qualified Host Name for the Target Host 1 hop min, 30 hops max, 5 sec. timeout, 3 probes 1 10.28.229.3 0 ms 0 ms 0 ms 2 10.71.217.1 0 ms 0 ms 0 ms 3 10.0.198.2 4 10.22.240.73 1 ms 0 ms 0 ms 0 ms 0 ms 0 ms IP Address for Target Host "remote-01" Figure C-26. Example Using the Fully Qualified Domain Name for an Accessible Target in Another Domain Configuring and Using DNS Resolution with DNS-Compatible Commands 1. Determine the following: a. The IP address for a DNS server operating in a domain in your network b. The priority (1 - 2) 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 C-80