Expressway-C and Expressway-E must have separate IP addresses and must not share a NAT address because the firewall cannot tell them apart.

Checked 2026-09-24

Do not use a shared address for the Expressway-E and the Expressway-C, as the firewall cannot distinguish between them.
Vendor
Cisco
Product
Cisco Expressway
Subsystem
network
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up Mobile and Remote Access on Cisco Expressway: source note expressway-mra-setup-no-shared-nat-address. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-mra-setup-no-shared-nat-address

BibTeX

@misc{warmtransfer-claim-expressway-mra-setup-no-shared-nat-address,
  title  = {Setting up Mobile and Remote Access on Cisco Expressway: source note expressway-mra-setup-no-shared-nat-address},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/expressway-mra-setup-no-shared-nat-address},
  note   = {Source note expressway-mra-setup-no-shared-nat-address, checked 2026-09-24}
}

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