Source note · Setting up certificates on Cisco Expressway
For X15.5, Cisco recommends a private CA issuing both client and server EKUs for the client certificate, and says a public CA issuing server EKU only is acceptable for the server certificate.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- eku
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.5 and later
- Checked
- 2026-09-30
Sources
- Navigate Client EKU Sunset with Expressway x15.5 — Cisco Systems · tier 2 current vendor documentation · Recommendations > CA choice per store
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-x155-ca-recommendation. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-x155-ca-recommendation
BibTeX
@misc{warmtransfer-claim-expressway-certificate-setup-x155-ca-recommendation,
title = {Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-x155-ca-recommendation},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-x155-ca-recommendation},
note = {Source note expressway-certificate-setup-x155-ca-recommendation, checked 2026-09-30}
}