Cisco Cisco Expressway Maintenance Manual
■
Can be clustered with up to 6 Expressways to provide n+1 redundancy, and up to 4 x individual capacity.
■
Intelligent Route Director for single number dialing and network failover facilities
■
Call Policy (also known as Administrator Policy) including support for CPL
■
Support for external policy servers
■
AD authentication for administrators of the Expressway
■
Embedded setup wizard using a serial port for initial configuration
■
System administration using a web interface or SSH, or via CIMC port (CE1100 appliance)
■
Intrusion protection
Note that endpoints or other devices cannot register to the Expressway.
Optional Features
Some Expressway features are available by the purchase and installation of the appropriate option key:
SIP to Microsoft Lync 2010 / 2013 Interoperability
The Microsoft Lync back-to-back user agent (Lync B2BUA) on the Expressway can be used to route SIP calls
between the Expressway and a Microsoft Lync Server. It provides interworking between Microsoft ICE (used by Lync
clients) and media for communications with standard video endpoints.
between the Expressway and a Microsoft Lync Server. It provides interworking between Microsoft ICE (used by Lync
clients) and media for communications with standard video endpoints.
The Microsoft Interoperability option key is required for all types of communication with Lync 2013.
Advanced Networking
The Advanced Networking option enables the LAN 2 Ethernet port on the Expressway-E, allowing you to have a
secondary IP address for your Expressway. This option also includes support for deployments where the Expressway-
E is located behind a static NAT device, allowing it to have separate public and private IP addresses.
secondary IP address for your Expressway. This option also includes support for deployments where the Expressway-
E is located behind a static NAT device, allowing it to have separate public and private IP addresses.
This configuration is intended for deployments where the Expressway-E is located in a DMZ between two separate
firewalls on separate network segments.
firewalls on separate network segments.
Appliance and Virtual Machine Options
The Expressway supports on-premises and cloud applications and is available as a dedicated appliance or as a
virtualized application on VMware, with additional support for Cisco Unified Computing System (Cisco UCS)
platforms.
virtualized application on VMware, with additional support for Cisco Unified Computing System (Cisco UCS)
platforms.
for information about the capabilities of each type of appliance or virtual
machine.
Virtual Machine Options
The Expressway has 3 virtualized application deployment types:
17
Cisco Expressway Administrator Guide
Introduction