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Topology discovery (lldp) – Comtrol ES7510 User Manual

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RocketLinx ES7510 User Guide: 2000544 Rev. B

Topology Discovery (LLDP) - 119

Configuration Using the Web Interface

Topology Discovery (LLDP)

The ES7510 supports topology discovery or LLDP (IEEE 802.1AB Link Layer Discovery Protocol)
functionality that can help to discovery multi-vendor’s network devices on the same segment by a network
monitoring system (NMS) that supports LLDP functionality.

With LLDP functionality, NMS can easily maintain the topology map, display port ID, port description,
system description, and VLAN ID. Once a link failure occurs, the topology changes the events that can be
updated to the NMS as well. The LLDP Port State can display the neighbor ID and IP learnt from the
connected devices.

Topology Discovery Page

LLDP

Select Enable/Disable to enable/disable LLDP function.

LLDP Configuration

LLDP timer

This is the interval time of each LLDP in seconds; valid values
are from 5 to 254. The default is 20 seconds when LLDP is
enabled.

LLDP hold time

The Time to Live (TTL) timer. The LLDP state expires when the
LLDP is not received by the hold time. The default is 120 seconds
when LLDP is enabled. and the range is from 10 to 255.

LLDP Port State

Local Port

The current port number that linked with network device.

Neighbor ID

The MAC address of the peer device on the same network
segment.

Neighbor IP

The IP address of the peer device on the same network segment.

Neighbor VID

The VLAN ID of the peer device on the same network segment.

Apply

Click Apply to apply the settings.

Note: You must Save the settings (

Page 122

), if you want to

maintain these settings if the ES7510 is powered off.