Source note · Setting up 802.1X authentication for Cisco IP phones
Cisco's phone guide says to keep the voice VLAN when the switch supports multidomain authentication, and otherwise to disable the voice VLAN and consider assigning the port to the native VLAN.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series
- Subsystem
- 802.1X requirements
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Cisco IP Phone Security — Cisco · tier 2 current vendor documentation · Cisco IP Phone Security > 802.1X Authentication > Network Requirements for 802.1X Support
Cite this note
APA
WarmTransfer. (2026, October 2). Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-phone-voice-vlan-guide. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-phone-voice-vlan-guide
BibTeX
@misc{warmtransfer-claim-cisco-phone-8021x-setup-phone-voice-vlan-guide,
title = {Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-phone-voice-vlan-guide},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-phone-voice-vlan-guide},
note = {Source note cisco-phone-8021x-setup-phone-voice-vlan-guide, checked 2026-10-02}
}