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Home > Success Center > User Device Tracker (UDT) > Host names not showing for endpoints

Host names not showing for endpoints

Created by Eric Bryant, last modified by MindTouch on Jun 23, 2016

Views: 387 Votes: 1 Revisions: 7

Overview

 

UDT gets a hostname for an endpoint using reverse DNS lookups on the IP address. 

Environment

All UDT versions

Resolution

 

1. Log onto the Orion server, and see if you can do an nslookup of that IP address and get back the correct hostname.

 

2. If you are unable to resolve the host name via nslookup on the Orion server, check the DNS server and see if has both A and PTR records set up.

 

3. The IP <-> MAC address mapping is pulled from the ARP cache of L3 devices, if you're having trouble with discovering the IP address altogether, use the UDT compatibility checker for troubleshooting the L3 device.

 

4. If there are multiple DNS servers configured for the UDT host server, insure that the one with the records is the primary DNS being accessed. UDT will only go for the primary DNS for the records.

Last modified
04:01, 23 Jun 2016

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Public