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VLAN Feature on Yealink IP Phones V9.11
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About this document
About the VLAN Feature on Yealink IP Phones V9.11
A Yealink document for the Yealink SIP-T42G (29 pages). This is version 9.11, last updated by Yealink on October 22, 2025, and you can read it right here or download it.
The SIP-T42G has been discontinued by Yealink, but it's still widely used, and this document is still the reference for setting it up. The Tech Team™ supports end-of-life Yealink phones and can help you plan a replacement when you're ready.
SIP-T42G is end of life. Support options, dates and replacementsWhat’s inside
- About VLAN
- Yealink Phones Compatible with VLAN Method
- VLAN Discovery Method on Yealink Phones
- Automatic Discovery Method for VLAN
- LLDP
- CDP
- DHCP VLAN
- Manual Configuration for VLAN
- Configuring VLAN Feature
- Verifying the Configuration
- Appendix
- Appendix A: Glossary
- Appendix B: System Names
- Appendix C: Power Values
- Appendix D: Normative References
Phones covered
Yealink phones this document covers
Versions
Other versions of this document
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T48G
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T19P
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T20P
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T22P
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T23G
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T28P
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T29G
- PDFVLAN Feature on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T32G
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Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.