The cn-san-validate server option on crypto signaling makes the Local Gateway accept the TLS connection only if the host name configured in the tenant appears in the peer certificate's CN or SAN.

Checked 2026-09-25

Vendor
Cisco
Product
Webex Calling Local Gateway (CUBE)
Subsystem
certificate-based trunk TLS
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-cn-san-validate. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-cn-san-validate

BibTeX

@misc{warmtransfer-claim-webex-local-gateway-troubleshooting-cn-san-validate,
  title  = {Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-cn-san-validate},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-cn-san-validate},
  note   = {Source note webex-local-gateway-troubleshooting-cn-san-validate, checked 2026-09-25}
}

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