Source note · Voice VLAN and LLDP-MED and CDP and PoE for IP phones
On Cisco MPP desk phones with both CDP and LLDP-MED enabled, the VLAN network policy is whichever policy was set or changed most recently by either protocol.
Checked 2026-09-24
If both CDP and LLDP-MED are enabled, the network policy for the VLAN determines the last policy set or changed with either one of the discovery modes.
- Vendor
- Cisco
- Product
- Cisco IP Phone 6800
- Subsystem
- VLAN discovery
- Deployment
- multi-tenant, on-premises
- Region
- not restricted
- Release range
- MPP firmware current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Cisco IP Desk Phone with Multiplatform Firmware (MPP) - Administration Guide - Technical Details — Cisco Systems · tier 2 current vendor documentation · Technical Details > Network Protocols > LLDP-MED / Final Network Policy Resolution and QoS
Cite this note
APA
WarmTransfer. (2026, September 24). Voice VLAN and LLDP-MED and CDP and PoE for IP phones: source note voice-vlan-lldp-poe-mpp-last-policy-wins. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-vlan-lldp-poe-mpp-last-policy-wins
BibTeX
@misc{warmtransfer-claim-voice-vlan-lldp-poe-mpp-last-policy-wins,
title = {Voice VLAN and LLDP-MED and CDP and PoE for IP phones: source note voice-vlan-lldp-poe-mpp-last-policy-wins},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/voice-vlan-lldp-poe-mpp-last-policy-wins},
note = {Source note voice-vlan-lldp-poe-mpp-last-policy-wins, checked 2026-09-24}
}