After a Yealink phone gets a VLAN ID from the DHCP server, it releases the leased IP address and starts a new DHCP Discover tagged with the voice VLAN ID.

Checked 2026-10-02

After obtaining the VLAN ID from the DHCP server, the phone will release the leased IP address and start a new DHCP Discover cycle with the now known Voice VLAN ID tag.
Vendor
Yealink
Product
Yealink IP Phones
Subsystem
DHCP
Deployment
multi-tenant, on-premises
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting IP phones that do not get a voice VLAN or DHCP options: source note ip-phone-dhcp-vlan-troubleshooting-yealink-rediscover. WarmTransfer. https://warmtransfer.net/knowledge/claims/ip-phone-dhcp-vlan-troubleshooting-yealink-rediscover

BibTeX

@misc{warmtransfer-claim-ip-phone-dhcp-vlan-troubleshooting-yealink-rediscover,
  title  = {Troubleshooting IP phones that do not get a voice VLAN or DHCP options: source note ip-phone-dhcp-vlan-troubleshooting-yealink-rediscover},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ip-phone-dhcp-vlan-troubleshooting-yealink-rediscover},
  note   = {Source note ip-phone-dhcp-vlan-troubleshooting-yealink-rediscover, checked 2026-10-02}
}

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