A current Cisco tech note states that on Unified CM releases with Security By Default (8.0(1) and later) the LSC install procedure applies whether or not the cluster is in mixed mode.

disputed · Checked 2026-10-02

this LSC install procedure applies regardless if your CUCM cluster is set to mixed mode or not
Vendor
Cisco
Product
Cisco Unified CM
Subsystem
CAPF
Deployment
on-premises
Region
not restricted
Release range
8.0(1) and later
Status
disputed
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-lsc-no-mixed-mode. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-lsc-no-mixed-mode

BibTeX

@misc{warmtransfer-claim-cisco-phone-8021x-setup-lsc-no-mixed-mode,
  title  = {Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-lsc-no-mixed-mode},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-lsc-no-mixed-mode},
  note   = {Source note cisco-phone-8021x-setup-lsc-no-mixed-mode, checked 2026-10-02}
}

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