Cisco Expressway Certificate Creation and Use Deployment Guide (X15.5) - Generating a Certificate Signing Request

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X15-5/cert-creation-use/exwy_b_cisco-expressway-certificate-creation-and-use-deployment-guide-x155/exwy_m_generating-a-certificate-signing-request.html

Published

2026-07-29

Updated

unknown

Accessed

2026-09-30

HTTP status

200

License

Cisco documentation; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• The Expressway CSR digest algorithm defaults to SHA-256, and SHA-1 cannot be selected from version X8.10. in context
• A CSR generated on Expressway automatically includes the client authentication and server authentication Enhanced Key Usage extensions. in context
• The Expressway CSR generator offers ECDSA keys of 256, 384 or 521 bits and RSA keys of 2048 or 4096 bits. in context
• On Cisco Expressway a certificate signing request is generated from Maintenance > Security > Server certificate by clicking Generate CSR. in context
• Only one CSR can be in progress on an Expressway at a time; starting over requires clicking Discard CSR. in context
• In an Expressway cluster a separate CSR must be generated on each peer. in context
• When the CSR is generated on Expressway, the private key is stored on the Expressway and cannot be viewed or downloaded. in context

Cite this source record

APA

WarmTransfer. (2026, July 29). Cisco Expressway Certificate Creation and Use Deployment Guide (X15.5) - Generating a Certificate Signing Request. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-exwy-x155-cert-csr

BibTeX

@misc{warmtransfer-cisco-exwy-x155-cert-csr,
  title  = {Cisco Expressway Certificate Creation and Use Deployment Guide (X15.5) - Generating a Certificate Signing Request},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-exwy-x155-cert-csr},
  note   = {Cisco Systems, accessed 2026-09-30}
}