Network Requirements for Webex Cloud-Connected UC

Publisher

Cisco Systems

URL

https://help.webex.com/article/fg3qim/NetworkRequirements-for-Webex-Cloud-Connected-UC

Published

2025-09-22

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco website terms of use; proprietary; no-redistribution; short excerpts and locators only

Source notes citing this source

• Cloud-Connected UC agents validate the cloud connection using the Amazon Root CA 1 certificate, and OCSP stapling is not offered. in context
• The network requirements page calls for a minimum of 2 Mbps bandwidth for larger clusters. in context
• Firewalls must allow *.ucmgmt.cisco.com, *.webex.com and *.wbx2.com for Cloud-Connected UC. in context
• SSL inspection must be disabled between the UC applications and the Cloud-Connected UC cloud. in context
• Cloud-Connected UC data travels over outbound-only HTTPS and the cloud port 443 must be reachable from the customer environment. in context
• Cloud-Connected UC supports unauthenticated and authenticated HTTP proxies, with Basic and Digest authentication. in context
• Cloud-Connected UC supports TLS 1.2 and TLS 1.3. in context
• WebSocket traffic must be permitted for Cloud-Connected UC. in context

Cite this source record

APA

WarmTransfer. (2025, September 22). Network Requirements for Webex Cloud-Connected UC. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-help-fg3qim-ccuc-network-requirements

BibTeX

@misc{warmtransfer-cisco-help-fg3qim-ccuc-network-requirements,
  title  = {Network Requirements for Webex Cloud-Connected UC},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-help-fg3qim-ccuc-network-requirements},
  note   = {Cisco Systems, accessed 2026-09-25}
}