The X15.4 cluster deployment guide states clustering can increase Expressway capacity by a maximum factor of four compared with a single Expressway and that there is no capacity gain after four peers.

Checked 2026-09-25

Clustering can increase the capacity of an Expressway deployment by a maximum factor of four, compared with a single Expressway.
Vendor
Cisco
Product
Cisco Expressway
Subsystem
clustering capacity
Deployment
on-premises
Region
not restricted
Release range
X15.4
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco Expressway clustering: source note expressway-clustering-capacity-factor-four. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-clustering-capacity-factor-four

BibTeX

@misc{warmtransfer-claim-expressway-clustering-capacity-factor-four,
  title  = {Cisco Expressway clustering: source note expressway-clustering-capacity-factor-four},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/expressway-clustering-capacity-factor-four},
  note   = {Source note expressway-clustering-capacity-factor-four, checked 2026-09-25}
}

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