Specifications

October 15, 2008 Page 1 of 14
Configuring Neighbor Discovery
Thisdocumentprovidesinformationaboutconfiguringandmonitoringneighbordiscoveryon
EnterasysMatrix
®
N‐Series,EnterasysSecureStack
™
,D‐Series,G‐Series,andI‐Seriesdevices.
What is Neighbor Discovery?
NeighbordiscoveryistheLayer2processinwhichadeviceidentifiesandadvertisesitselftoits
directlyconnectedneighbors.Enterasysdevicessupportthefollowingneighbordiscovery
protocols:
•LinkLayerDiscoveryProtocol(LLDP)anditsextension,LLDP‐MED,whichistheIEEE
802.1ABstandardforneighbordiscovery
•EnterasysDiscoveryProtocol,fordiscovering
Enterasysdevices
•CiscoDiscoveryProtocol,fordiscoveringCiscodevices
Why Would I Use Neighbor Discovery in My Network?
Neighbordiscoveryisusefulforthefollowing:
• Determininganaccuratephysicalnetworktopology
• Creatinganinventoryofnetworkdevices
• Troubleshootingthenetwork
Note: For information on Enterasys Matrix X-Series support, refer to the Enterasys Matrix X Secure
Core Router Configuration Guide.
For information about... Refer to page...
What is Neighbor Discovery? 1
Why Would I Use Neighbor Discovery in My Network? 1
How Do I Implement Neighbor Discovery? 2
Understanding Neighbor Discovery 2
Configuring LLDP 7
Note: Currently, LLDP is not supported on Enterasys I-Series devices.