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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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LLDP-MED Network Policies TLV

A network policy in the context of LLDP-MED is a device’s VLAN configuration and associated Layer 2 and Layer 3 configurations.

LLDP-MED network policies TLV include:
  • VLAN ID
  • VLAN tagged or untagged status
  • Layer 2 priority
  • DSCP value

An integer represents the application type (the Type integer shown in the following table), which indicates a device function for which a unique network policy is defined. An individual LLDP-MED network policy TLV is generated for each application type that you specify with the Dell EMC Networking OS CLI (Advertising TLVs).

NOTE As shown in the following table, signaling is a series of control packets that are exchanged between an endpoint device and a network connectivity device to establish and maintain a connection. These signal packets might require a different network policy than the media packets for which a connection is made. In this case, configure the signaling application.
Table 1. Network Policy ApplicationsNetwork Policy Applications
TypeApplicationDescription
0Reserved—
1VoiceSpecify this application type for dedicated IP telephony handsets and other appliances supporting interactive voice services.
2Voice SignalingSpecify this application type only if voice control packets use a separate network policy than voice data.
3Guest VoiceSpecify this application type for a separate limited voice service for guest users with their own IP telephony handsets and other appliances supporting interactive voice services.
4Guest Voice SignalingSpecify this application type only if guest voice control packets use a separate network policy than voice data.
5Softphone VoiceSpecify this application type only if guest voice control packets use a separate network policy than voice data.
6Video ConferencingSpecify this application type for dedicated video conferencing and other similar appliances supporting real-time interactive video.
7Streaming VideoSpecify this application type for dedicated video conferencing and other similar appliances supporting real-time interactive video.
8Video SignalingSpecify this application type only if video control packets use a separate network policy than video data.
9–255Reserved—
Figure 1. LLDP-MED Policies TLV
Illustration of the LLDP-MED policies TLV

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