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Configuring the Network
Advanced Settings
Cisco SPA232D Administration Guide 43
3
CDP & LLDP
Device discovery protocols enable directly connected devices to discover
information about each other. You may wish to enable these protocols to allow
your network management system to learn about your ATA and endpoints. Use the
Network Setup > Advanced Settings > CDP & LLDP page to specify the settings
for Cisco Discovery Protocol (CDP) and the Link Layer Discovery Protocol (LLDP).
When a discovery protocol is enabled, the ATA sends periodic messages to a
multicast address and also listens to the periodic messages sent by other devices
that use that protocol.
To open this page: Click Network Setup in the menu bar, and then click
Advanced Settings > CDP & LLDP in the navigation tree. After making changes,
click Submit to save your settings, or click Cancel to redisplay the page with the
saved settings.
Field Description
Enable CDP CDP may be enabled on Cisco devices. Click Enabled
to enable CDP, or click Disabled to disable this feature.
Default setting: Disabled
Enable LLDP-MED LLDP is a vendor-neutral device discovery protocol that
may be enabled on other manufacturers’ equipment.
LLDP-MED is specifically for Media Endpoint Devices.
Click Enabled to enable CDP, or click Disabled to
disable this feature.
Default setting: Disabled
Layer 2 Logging Click Enabled to enable Layer 2 Logging, or click
Disabled to disable this feature. L2 Logging is used by
CDP/LLDP for debugging purpose.
Default setting: Disabled