Configuring Discovery
Configuring LLDP
Cisco 500 Series Stackable Managed Switch Administration Guide
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3. Create LLDP MED network policies by using the
LLDP MED Network Policy
page.
4. Associate LLDP MED network policies and the optional LLDP-MED TLVs to the
desired interfaces by using the
LLDP MED Port Settings
page.
5. If Auto Smartport is to detect the capabilities of LLDP devices, enable LLDP in
the Smartport Properties page.
6. Display overloading information by using the
LLDP Overloading
page.
Setting LLDP Properties
The
LLDP Properties
page
enables entering LLDP general parameters. These
include enabling/disabling the feature globally and setting timers.
To enter LLDP properties:
STEP 1
Click
Administration
>
Discovery - LLDP
>
Properties
. The
Properties
page
opens.
STEP 2
Enter the parameters.
•
LLDP Status
—Select to enable LLDP on the switch (selected by default).
•
LLDP Frames Handling—If LLDP is not enabled, select the action to be taken
if a packet that matches the selected criteria is received:
-
Filtering
—Delete the packet.
-
Flooding
—Forward the packet to all VLAN members.
•
TLV Advertise Interval
—Enter the rate in seconds at which LLDP
advertisement updates are sent or use the default.
•
Topology Change SNMP Notification Interval
—Enter the minimum time
interval between SNMP notifications.
•
Hold Multiplier
—Enter the amount of time that LLDP packets are held before
the packets are discarded, measured in multiples of the TLV Advertise
Interval. For example, if the TLV Advertise Interval is 30 seconds, and the
Hold Multiplier is 4, then the LLDP packets are discarded after 120 seconds.
•
Reinitializing Delay
—Enter the time interval in seconds that passes
between disabling and reinitializing LLDP, following an LLDP enable/disable
cycle.
