Basic LLDP per-port advertisement content.....................................................................228
Support for port speed and duplex advertisements..........................................................230
Port VLAN ID TLV support on LLDP........................................................................................... 230
Configuring the VLAN ID TLV...........................................................................................231
Viewing the TLVs advertised............................................................................................ 231
SNMP support.................................................................................................................. 232
LLDP-MED (media-endpoint-discovery)..................................................................................... 233
LLDP-MED endpoint support........................................................................................... 233
LLDP-MED endpoint device classes................................................................................ 234
LLDP-MED operational support....................................................................................... 234
LLDP-MED fast start control.............................................................................................235
Advertising device capability, network policy, PoE status and location data.................... 235
Location data for LLDP-MED devices.............................................................................. 238
Viewing switch information available for outbound advertisements............................................ 242
Displaying the current port speed and duplex configuration on a switch port.................. 243
Viewing advertisements currently in the neighbors MIB...................................................244
Displaying LLDP statistics................................................................................................ 245
LLDP Operating Notes................................................................................................................ 247
Neighbor maximum.......................................................................................................... 247
LLDP packet forwarding................................................................................................... 247
One IP address advertisement per port........................................................................... 247
802.1Q VLAN Information................................................................................................ 247
Effect of 802.1X Operation............................................................................................... 247
Neighbor data can remain in the neighbor database after the neighbor is
disconnected.................................................................................................................... 247
Mandatory TLVs............................................................................................................... 248
LLDP and CDP data management..............................................................................................248
LLDP and CDP neighbor data..........................................................................................248
CDP operation and commands........................................................................................ 249
Viewing the current CDP configuration of the switch........................................................249
Viewing the current CDP neighbors table of the switch....................................................250
Enabling and Disabling CDP Operation........................................................................... 250
Enabling or disabling CDP operation on individual ports................................................. 251
Configuring CDPv2 for voice transmission..................................................................................251
Filtering CDP information............................................................................................................ 253
Configuring the switch to filter untagged traffic.................................................................253
Displaying the configuration............................................................................................. 254
Filtering PVID mismatch log messages...................................................................................... 254
Overview................................................................................................................................................ 255
Commands.............................................................................................................................................255
[no] lldp config basicTlvEnable management_addr.................................................................... 255
lldp config.................................................................................................................................... 256
Show commands................................................................................................................................... 256
Chapter 8 DHCPv4 server............................................................................257
Overview................................................................................................................................................ 257
IP pools.................................................................................................................................................. 257
DHCP options........................................................................................................................................ 257
BootP support........................................................................................................................................ 257
Authoritative server and support for DHCP inform packets................................................................... 257
Authoritative pools................................................................................................................................. 258
Authoritative dummy pools.....................................................................................................................258
Change in server behavior.....................................................................................................................258
DHCPv4 configuration commands.........................................................................................................259
DHCPv4 server........................................................................................................................... 259
Contents 9
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