Configuring Discovery
Configuring LLDP
Cisco Small Business 300 Series Managed Switch Administration Guide 71
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• Provides troubleshooting information. LLDP MED sends alerts to network
managers:
- Port speed and duplex mode conflicts
- QoS policy misconfigurations
NOTE The switch automatically advertises the policy according to your configuration;
however, you must also manually configure the switch to use that policy.
Setting LLDP MED Network Policy
An LLDP-MED network policy is a related set of configuration settings identified
by a network policy number. This set is loaded into an LLDP-MED TLV, and sent to
devices connected to the switch. This information is used by the connected
device to send traffic, as specified in the network policy. For example, a policy can
be created for VoIP phones that instructs them to:
• Send voice traffic on VLAN 10
• Tag voice traffic with DSCP=63
• Transmit data-traffic to the switch (from the PC connected to the switch
through the VoIP phone) without modification to traffic sent by the PC
(typically, Untagged).
Network policies are associated with ports by using the LLDP MED Port Settings
Page. (An administrator must create the VLANs, and configure memberships in the
VLANs based on the specification in the LLDP-MED network policies.)
To define an LLDP MED network policy:
STEP 1 Click Administration > Discovery - LLDP > LLDP MED Network Policy. The
LLDP MED Network Policy Page
opens.
This page displays previously-created network policies.
STEP 2 Click Add and the
Add LLDP MED Network Policy Page
opens.
This page enables the definition of new policies.
STEP 3 Enter the values.
• Network Policy Number—Select the number of the policy to be created.
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