With 'crypto signaling default trustpoint <tp> cn-san-validate server', the gateway permits the TLS connection only if the host name configured in the tenant appears in the CN or SAN of the certificate received from the Webex outbound proxy.

Checked 2026-09-24

Vendor
Cisco
Product
Cisco IOS XE CUBE
Subsystem
Local Gateway TLS
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up a Webex Calling Local Gateway: source note webex-calling-local-gateway-setup-cn-san-validate. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-local-gateway-setup-cn-san-validate

BibTeX

@misc{warmtransfer-claim-webex-calling-local-gateway-setup-cn-san-validate,
  title  = {Setting up a Webex Calling Local Gateway: source note webex-calling-local-gateway-setup-cn-san-validate},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-local-gateway-setup-cn-san-validate},
  note   = {Source note webex-calling-local-gateway-setup-cn-san-validate, checked 2026-09-24}
}

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