Source note · Setting up certificates on Cisco Expressway
The Expressway-E trusted CA list must hold the full CA chain (root and intermediates) that signed the Expressway-C certificate; for the UC traversal zone, the root alone is not enough.
Checked 2026-09-30
You must install the CA certificate chain (root plus intermediate certificates).
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- traversal-zone
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.2
- Checked
- 2026-09-30
Sources
- Mobile and Remote Access Through Cisco Expressway Deployment Guide (X15.2) - MRA Requirements and Prerequisites — Cisco Systems · tier 2 current vendor documentation · MRA Requirements and Prerequisites > Certificate Exchange Requirements
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-trust-e-needs-c-chain. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-trust-e-needs-c-chain
BibTeX
@misc{warmtransfer-claim-expressway-certificate-setup-trust-e-needs-c-chain,
title = {Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-trust-e-needs-c-chain},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-trust-e-needs-c-chain},
note = {Source note expressway-certificate-setup-trust-e-needs-c-chain, checked 2026-09-30}
}