Source note · Troubleshooting Expressway Mobile and Remote Access
Expressway-E and Expressway-C must not share an address (including a shared NAT address) because the firewall cannot distinguish between them; Cisco does not support it.
Checked 2026-10-01
Do not use a shared address for both elements, as the firewall cannot distinguish between them.
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- nat
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.2 documentation
- Checked
- 2026-10-01
Sources
- Mobile and Remote Access Through Cisco Expressway Deployment Guide (X15.2) - MRA Requirements and Prerequisites — Cisco Systems · tier 2 current vendor documentation · IP Addresses
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting Expressway Mobile and Remote Access: source note expressway-mra-troubleshooting-no-shared-nat-address. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-mra-troubleshooting-no-shared-nat-address
BibTeX
@misc{warmtransfer-claim-expressway-mra-troubleshooting-no-shared-nat-address,
title = {Troubleshooting Expressway Mobile and Remote Access: source note expressway-mra-troubleshooting-no-shared-nat-address},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-mra-troubleshooting-no-shared-nat-address},
note = {Source note expressway-mra-troubleshooting-no-shared-nat-address, checked 2026-10-01}
}