Cisco's design guide recommends authorising phones on certificate attributes so individual phones need not be entered in a database.

Checked 2026-10-02

Use certificate attributes for phone authorization.
Vendor
Cisco
Product
Cisco TrustSec
Subsystem
802.1X design
Deployment
on-premises
Region
not restricted
Release range
2014 design guidance
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-cert-attr-authz. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-cert-attr-authz

BibTeX

@misc{warmtransfer-claim-cisco-phone-8021x-setup-cert-attr-authz,
  title  = {Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-cert-attr-authz},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-cert-attr-authz},
  note   = {Source note cisco-phone-8021x-setup-cert-attr-authz, checked 2026-10-02}
}

Read in context