8-5 DMS Troubleshooting
Problem: The switch lists itself as the only device in Topology View of DMS.
Problem: In DMS, the Local image shows the IP address of another switch.
Description:
The switch is listed as only device in DMS Topology View in DMS; all devices are listed in
DMS device list. This is usually because the switch's gateway is not configured appropriately.
Resolution: An IP Route must be configured manually. For example, a switch IP address of
192.168.1.77 should have the following IP route configured: ip route 0.0.0.0 0.0.0.0 192.168.1.x.
Without the IP route configured, you may be unable to view all devices on the network in DMS.
1. Go to DMS >Management >DMS Mode to check if the controller IP is correct.
2. Verify that the gateway of this switch is correctly configured.
3. Verify that all connected devices are displayed in DMS Topology View.
Problem: DMS Connectivity diagnostics fails to ICMP reachable device.
Description: DMS displays a device which is reachable via ICMP ping as failing the connection status
in diagnostics. Cable status displays as OK.
Resolution: Contact TN Technical Support. See Contact Us below.
Problem: DMS will discover the device type, name and model of some cameras and hosts but others
are displayed as Unknown.
Description: When a device is detected by DMS, the device’s information (such as type, model
name…etc.) can be recognized via LLDP (e.g. Switch), UPnP (e.g. AP), ONVIF
(e.g. IP cam), NBNS (e.g.
PC) packets if the device supports these protocols. So if the device display as Unknown, that means
this device do not issue above mentioned protocol for DMS to recognize.
Resolution: You can manually assign and configure the device type and name for the unknown
devices. See the Topology View > Dashboard or the Topology View section.
8-4 For More DMS Information
See the online DMS Video.
See the online DMS Overview.
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