Cisco Cisco Expressway
Introduction
Cisco Expressway is designed specifically for comprehensive collaboration services provided through Cisco Unified
Communications Manager. It features established firewall-traversal technology and helps redefine traditional enterprise
collaboration boundaries, supporting our vision of any-to-any collaboration.
Communications Manager. It features established firewall-traversal technology and helps redefine traditional enterprise
collaboration boundaries, supporting our vision of any-to-any collaboration.
This document describes how to configure an Expressway-E and an Expressway-C as the cornerstones of a basic video
infrastructure deployment.
infrastructure deployment.
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It takes the video network administrator through the series of tasks required to set up the Expressways and then
describes how to check that the system is working as expected.
describes how to check that the system is working as expected.
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It provides the required DNS, NAT and firewall configuration information but assumes that the network
administrator has a working knowledge of configuring these systems.
administrator has a working knowledge of configuring these systems.
Detailed reference information is contained in this document’s appendices:
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includes details of required NAT and firewall configurations.
This document describes a small subset of the numerous NAT and firewall deployment options that are made
possible by using the Expressway-E dual network interface and NAT features.
possible by using the Expressway-E dual network interface and NAT features.
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and Dual Network Interface architecture.
web application’s online field help and page help .
This document does not describe details of how to deploy a cluster of Expressways. For more details on clustering, see
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Note that endpoints or other devices cannot register to the Expressway.
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Cisco Expressway-E and Expressway-C - Basic Configuration Deployment Guide