Source note · Cisco Expressway clustering
There must be no NAT between Expressway cluster peers, and any firewall between them must open the required ports.
Checked 2026-09-25
There must be no NAT between cluster peers – if there is a firewall ensure that the required ports are opened.
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- clustering network 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, Network Conditions Are Met
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco Expressway clustering: source note expressway-clustering-no-nat-between-peers. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-clustering-no-nat-between-peers
BibTeX
@misc{warmtransfer-claim-expressway-clustering-no-nat-between-peers,
title = {Cisco Expressway clustering: source note expressway-clustering-no-nat-between-peers},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-clustering-no-nat-between-peers},
note = {Source note expressway-clustering-no-nat-between-peers, checked 2026-09-25}
}