Source note · Voice VLAN and LLDP-MED and CDP and PoE for IP phones

RFC 5859 says that when option 150 appears together with option 66 (TFTP server name), option 150 SHOULD take priority.

Checked 2026-09-24

When this option appears along with the TFTP Server Name option (66), this option SHOULD have priority over option 66.

Vendor: IETF
Product: DHCPv4
Subsystem: DHCP options
Deployment: on-premises, multi-tenant
Region: not restricted
Release range: RFC 5859
Checked: 2026-09-24

Sources

RFC 5859: TFTP Server Address Option for DHCPv4 — IETF / RFC Editor · tier 1 standards and regulators · RFC 5859 Section 3

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-rfc5859-150-over-66. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-vlan-lldp-poe-rfc5859-150-over-66

BibTeX

@misc{warmtransfer-claim-voice-vlan-lldp-poe-rfc5859-150-over-66,
  title  = {Voice VLAN and LLDP-MED and CDP and PoE for IP phones: source note voice-vlan-lldp-poe-rfc5859-150-over-66},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/voice-vlan-lldp-poe-rfc5859-150-over-66},
  note   = {Source note voice-vlan-lldp-poe-rfc5859-150-over-66, checked 2026-09-24}
}

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