Source note · Cisco Expressway clustering
All peers in an Expressway cluster must run the same software version, except for the short period while the cluster is being upgraded.
Checked 2026-09-25
The only case when different peers are allowed to run different versions of code is for the short period of time while a cluster is being upgraded.
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- clustering requirements
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.4
- Checked
- 2026-09-25
Sources
- Cisco Expressway Cluster Creation and Maintenance Deployment Guide (X15.4) - Clustering Requirements — Cisco Systems · tier 2 current vendor documentation · Clustering Requirements chapter, Platform and Software Versions Match
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco Expressway clustering: source note expressway-clustering-same-software-version. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-clustering-same-software-version
BibTeX
@misc{warmtransfer-claim-expressway-clustering-same-software-version,
title = {Cisco Expressway clustering: source note expressway-clustering-same-software-version},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-clustering-same-software-version},
note = {Source note expressway-clustering-same-software-version, checked 2026-09-25}
}