Source note · Setting up 802.1X authentication for Cisco IP phones
The Unified CM 15 CAPF task flow says that after a phone installs its LSC, the Device Security Mode can be set to Authenticated or Encrypted.
Checked 2026-10-02
After the phone installs the LSC, configure the Device Security Mode to Authenticated or Encrypted.
- Vendor
- Cisco
- Product
- Cisco Unified CM
- Subsystem
- phone security profile
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-10-02
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure CAPF — Cisco Systems · tier 2 current vendor documentation · Configure CAPF > Configure CAPF Settings for a Phone (follow-up)
Cite this note
APA
WarmTransfer. (2026, October 2). Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-ucm-15-device-mode-note. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-ucm-15-device-mode-note
BibTeX
@misc{warmtransfer-claim-cisco-phone-8021x-setup-ucm-15-device-mode-note,
title = {Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-ucm-15-device-mode-note},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-ucm-15-device-mode-note},
note = {Source note cisco-phone-8021x-setup-ucm-15-device-mode-note, checked 2026-10-02}
}