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Setting LLDP MED Network Policy
An LLDP-MED network policy is a related set of configuration settings for
a specific real-time application such as voice, or video A network policy, if
configured, can be included in the outgoing LLDP packets to the attached
LLDP media endpoint device The media endpoint device must send its traffic
as specified in the network policy it receives For example, a policy can be
created for VoIP traffic that instructs VoIP phone to:
Send voice traffic on VLAN 10 as tagged packet and with 802 1p priority 5
•
Send voice traffic with DSCP 46
•
Network policies are associated with ports by using the LLDP MED Port Settings
page An administrator can manually configure one or more network policies
and the interfaces where the policies are to be sent It is the administrator's
responsibility to manually create the VLANs and their port memberships
according to the network policies and their associated interfaces
In addition, an administrator can instruct the device to automatically generate
and advertise a network policy for voice application based on the voice VLAN
maintained by the device Refer the Auto Voice VLAN section for details on
how the device maintains its voice VLAN
To define an LLDP MED network policy:
STEP 1 Click Configuration > Port Management > LLDP MED Network
This page contains previously-created network policies
STEP 2 When Network Policy for Voice Application is enabled, the device
automatically generates and advertises a network policy with the
current voice VLAN configuration Go to Voice VLAN > Feature
Configuration page to configure the voice VLAN
STEP 3 Click Apply to add this setting to the Running Configuration file
STEP 4 To define a new policy, click Add
STEP 5 Enter the values:
Network Policy Number—Select the number of the policy to be created
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Application—Select the type of application (type of traffic) for which the
•
network policy is being defined
VLAN ID—Enter the VLAN ID to which the traffic must be sent
•
VLAN Tag—Select whether the traffic is Tagged or Untagged
•
Layer 2 Priority—Select the traffic priority applied to traffic defined by
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this network policy This is the CoS value
DSCP Value—Select the DSCP value to associate with application data
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sent by neighbors This informs them how they must mark the application
traffic they send to the device
STEP 6 Click Apply The network policy is defined
NOTE:
You must manually configure the interfaces to include the desired
manually-defined network policies for the outgoing LLDP packets using the
LLDP MED Port Settings
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