Source note · Cisco Expressway clustering
From X14.2, in the 4+1 redundancy model up to five Expressway systems can be clustered for a total capacity of four times a single system, with one node counted as redundancy.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- clustering capacity
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X14.2 and later; documented in X15.4
- Checked
- 2026-09-25
Sources
- Cisco Expressway Administrator Guide (X15.4) - Expressway Capacity and Sizing — Cisco Systems · tier 2 current vendor documentation · Expressway Capacity and Sizing chapter, Important Caveats, 4+1 redundancy model sentence
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco Expressway clustering: source note expressway-clustering-4plus1-four-times. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-clustering-4plus1-four-times
BibTeX
@misc{warmtransfer-claim-expressway-clustering-4plus1-four-times,
title = {Cisco Expressway clustering: source note expressway-clustering-4plus1-four-times},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-clustering-4plus1-four-times},
note = {Source note expressway-clustering-4plus1-four-times, checked 2026-09-25}
}