
Packet boundaries in a network topology................................................................................... 230
LLDP operation configuration options......................................................................................... 230
Enable or disable LLDP on the switch..............................................................................231
Enable or disable LLDP-MED.......................................................................................... 231
Change the frequency of LLDP packet transmission to neighbor devices....................... 231
Change the Time-To-Live for LLDP packets sent to neighbors........................................ 231
Transmit and receive mode.............................................................................................. 231
SNMP notification.............................................................................................................231
Per-port (outbound) data options..................................................................................... 231
Remote management address......................................................................................... 233
Debug logging.................................................................................................................. 233
Options for reading LLDP information collected by the switch....................................................233
LLDP and LLDP-MED standards compatibility........................................................................... 233
LLDP operating rules.................................................................................................................. 234
Port trunking..................................................................................................................... 234
IP address advertisements...............................................................................................234
Spanning-tree blocking.....................................................................................................234
802.1X blocking................................................................................................................234
Configuring LLDP operation........................................................................................................234
Displaying the global LLDP, port admin, and SNMP notification status (CLI).................. 234
Configuring Global LLDP Packet Controls....................................................................... 236
Configuring SNMP notification support............................................................................ 239
Configuring per-port transmit and receive modes (CLI)................................................... 240
Basic LLDP per-port advertisement content.....................................................................240
Support for port speed and duplex advertisements..........................................................242
Port VLAN ID TLV support on LLDP........................................................................................... 243
Configuring the VLAN ID TLV...........................................................................................243
Viewing the TLVs advertised............................................................................................ 243
SNMP support.................................................................................................................. 244
LLDP-MED (media-endpoint-discovery)..................................................................................... 245
LLDP-MED endpoint support........................................................................................... 246
LLDP-MED endpoint device classes................................................................................ 246
LLDP-MED operational support....................................................................................... 246
LLDP-MED fast start control.............................................................................................247
Advertising device capability, network policy, PoE status and location data.................... 247
Location data for LLDP-MED devices.............................................................................. 250
Viewing switch information available for outbound advertisements............................................ 254
Displaying the current port speed and duplex configuration on a switch port.................. 255
Viewing advertisements currently in the neighbors MIB...................................................256
Displaying LLDP statistics................................................................................................ 257
LLDP over OOBM....................................................................................................................... 259
LLDP over OOBM commands..........................................................................................259
LLDP Operating Notes................................................................................................................ 264
Neighbor maximum.......................................................................................................... 264
LLDP packet forwarding................................................................................................... 264
One IP address advertisement per port........................................................................... 264
802.1Q VLAN Information................................................................................................ 264
Effect of 802.1X Operation............................................................................................... 265
Neighbor data can remain in the neighbor database after the neighbor is
disconnected.................................................................................................................... 265
Mandatory TLVs............................................................................................................... 265
LLDP and CDP data management..............................................................................................265
LLDP and CDP neighbor data..........................................................................................265
CDP operation and commands........................................................................................ 266
Viewing the current CDP configuration of the switch........................................................266
Viewing the current CDP neighbors table of the switch....................................................267
Enabling and Disabling CDP Operation........................................................................... 268
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