RADVision Scopia XT Quick reference guide

Scopia XT Desktop Server for IP
Office
Deployment Guide
Version 8.2.1
For Solution 8.2
8.2.1

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Deployment Guide for Scopia XT Desktop Server for IP
Office Version 8.2.1, July 16, 2013
http://www.radvision.com
Deployment Guide for Scopia XT Desktop Server for IP Office
Version 8.2.1 Notices | 2

Table of Contents
Chapter 1: About Scopia XT Desktop Server for IP Office
About Components of the Scopia XT Desktop Server .....................................................................................5
Chapter 2: Planning your Scopia XT Desktop Server Deployment
Minimum Requirements and Specifications of Scopia XT Desktop Server ..................................................... 7
Planning the Topology of Scopia XT Server for IP Office with Scopia XT Desktop ........................................ 9
Deploying Scopia XT Desktop Server with Dual-NIC .....................................................................................10
Planning your Bandwidth Requirements ........................................................................................................11
Calculating the Bandwidth Used by Scopia XT Desktop Participants ................................................11
Calculating Scopia XT Desktop Bandwidth Usage .............................................................................12
Ports to Open on Scopia XT Desktop ............................................................................................................ 13
Limiting Port Ranges on the Scopia XT Desktop Server ................................................................... 17
Limiting the UDP Port Range for RTP/RTCP on the Scopia XT Desktop Server ....................17
Limiting the TCP Port Range for H.245/Q.931 on the Scopia XT Desktop Server ..................18
Chapter 3: Installing the Scopia XT Desktop Server
Chapter 4: Configuring Your Deployment
Accessing the Scopia XT Desktop Server Web Administration Interface ......................................................23
Defining an Administrator Account .................................................................................................................24
Connecting Scopia XT Desktop with the XT Server .......................................................................................24
Verifying Scopia XT Desktop Server Installation and Connection with Other Components ..........................26
Defining a Local Directory of Endpoints .........................................................................................................27
Defining Bandwidth Settings in Scopia XT Desktop Server ...........................................................................28
Defining Scopia XT Desktop Server Public Address and Other Client Connection Settings .........................28
Enabling or Disabling Scopia XT Desktop Client Features ............................................................................30
Rolling-Out Scopia XT Desktop Client to End Users ..................................................................................... 32
Minimum Requirements for Scopia XT Desktop Client ......................................................................33
Installing Scopia XT Desktop Client Locally on a PC .........................................................................34
Centrally Deploying Scopia XT Desktop Clients in your Organization ...............................................35
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Chapter 5: Securing Your Scopia XT Desktop Deployment
Protecting Meetings with a PIN ...................................................................................................................... 36
Securing Web Connections and Media Traffic to Scopia XT Desktop Server ...............................................37
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Chapter 1 | About Scopia XT Desktop
Server for IP Office
Scopia XT Desktop Server extends the capabilities of videoconferences hosted on the Scopia XT Server for IP Office
by enabling Scopia XT Desktop Clients and Scopia Mobile devices to join.
Figure 1: Scopia XT Desktop Server extends meetings to include Scopia XT Desktop Clients
The Scopia XT Server for IP Office solution is especially suited to the communication requirements of Small and
Medium Businesses (SMB). Built on the XT Server HD room system, with the highest capacity embedded MCU in
the industry today, the Scopia XT Server for IP Office combines HD room system capabilities, embedded multi-party
conferencing, desktop conferencing and firewall traversal into the only integrated solution of its kind available.
About Components of the Scopia XT Desktop Server
Scopia XT Desktop Server includes several different servers, each fulfilling its own function.
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Figure 2: Components of the Scopia XT Desktop Server
•Scopia XT Desktop Conference Server
At the center of Scopia XT Desktop Server, the conference server creates conferences with Scopia
XT Desktop Clients and Scopia Mobile devices, relaying media to the MCU to enable transparent
connectivity with H.323 and SIP endpoints.
•Scopia XT Desktop Application Server (Tomcat)
The underlying Scopia XT Desktop web server and application server is implemented by Tomcat. It
serves as the update server, the Scopia Content Slider server and the Scopia XT Desktop web
portal.
•Scopia Content Slider server
Part of the Tomcat Application Server, it stores the data already presented in the videoconference
and makes it available for participants to view during the meeting.
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Chapter 2 | Planning your Scopia XT
Desktop Server Deployment
When planning your Scopia XT Desktop Server deployment, consider the following:
•Will most Scopia XT Desktop Clients connect to videoconferences from within the enterprise, or from outside?
For example, if there are many internal Scopia XT Desktop Clients, consider placing a dedicated Conference
Server in the enterprise.
•What is your network's security policy?
Depending on where you deploy the Scopia XT Desktop Server and other video network devices, you may
need to open different ports on the firewall.
•How much internal and external bandwidth is required, based on the number of simultaneous users joining
videoconferences? Consider also whether most users will be joining in standard or high definition.
See the following sections for details on the different deployment options and how to plan your bandwidth:
Navigation
•Minimum Requirements and Specifications of Scopia XT Desktop Server on page 7
•Planning the Topology of Scopia XT Server for IP Office with Scopia XT Desktop on page 9
•Deploying Scopia XT Desktop Server with Dual-NIC on page 10
•Planning your Bandwidth Requirements on page 11
•Ports to Open on Scopia XT Desktop on page 13
Minimum Requirements and Specifications of Scopia XT
Desktop Server
This section details the system specifications of your Scopia XT Desktop Server. Refer to this data when
preparing system setup and afterwards as a means of verifying that the environment still complies with
these requirements.
Scopia XT Desktop Server Software Requirements
The minimum software requirements for the Scopia XT Desktop Server are:
Operating systems:
•Windows®2008 SP2 or Windows®2008 R2, 32 and 64 bit (English, Japanese)
•Windows®Server 2012
•Windows 7 Professional
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Important:
Scopia XT Desktop Servers should be deployed on a physical server, not virtual machines like
VMware.
Web browsers (for the Scopia XT Desktop Server Administration):
Scopia XT Desktop is tested with the latest internet browser versions available at the time of release.
•Internet Explorer 6 or later (Windows)
•Firefox 20 or later (Mac and Windows)
•Safari 5 or later (Mac and Windows)
•Google Chrome 25 or later (Mac and Windows)
Scopia XT Desktop Server Hardware Requirements
The minimum hardware requirements for Scopia XT Desktop Server are:
•Intel®Core™i3 Processor, 2GHz and up
•2 GB or more RAM
Scopia XT Desktop Server Audio and Video Specifications
Scopia XT Desktop interoperates with both SIP and H.323 endpoints to provide a seamless user
experience joining the ease of use of Scopia XT Desktop Clients and Scopia Mobile devices with
dedicated endpoints like Scopia XT Executive and the Scopia XT Server for IP Office.
•Audio support:
–G.722.1 codec
–DTMF tone detection (in-band, H.245 tones, and RFC2833)
•Video support:
–High Definition (HD) Continuous Presence video with a maximum resolution of 720p at 30
frames per second (fps).
–Video codec: H.264 with SVC (Scalable Video Coding)
–Video send resolutions: Up to HD 720p
–Video receive resolution: HD 720p
–Video bandwidth: HD up to 4Mbps for 720p resolutions; standard definition up to 448 kbps for
352p or lower
–Presentation video: H.239 dual stream
–Scopia Content Slider can function with presentation set to H.263 or H.264 on the MCU.
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Scopia XT Desktop Server Security Specifications
Scopia XT Desktop Server has extensive support for security, both standard encryption with certificates
and a proprietary secure protocol between the client and server:
•HTTPS protocol between Scopia XT Desktop Client and Scopia XT Desktop Server.
•SRTP encryption between Scopia XT Desktop Client/Scopia Mobile and Scopia XT Desktop
Server
•TLS encryption between Scopia XT Desktop Server and Scopia Management
Planning the Topology of Scopia XT Server for IP Office
with Scopia XT Desktop
Scopia XT Server for IP Office enables you to locally host videoconferences using its built-in MCU, and
extends your videoconferences to participants joining from a computer (with Scopia XT Desktop Client)
or a mobile device (using Scopia Mobile).
For example, when you start a videoconference with the XT Server hosting the call, you can add other
participants by asking them to connect via a web link to the Scopia XT Desktop Server, which would
automatically install and launch Scopia XT Desktop Client on their computers, or Scopia Mobile on their
mobile devices.
If you do not register to IP Office, you cannot host videoconferences or use the full functionality of the
system.
The main features of the Scopia XT Server for IP Office include:
•Remote users can easily connect to a meeting hosted by the built-in MCU on the XT Server, by
connecting via the Scopia XT Desktop Server.
The deployment has very few components. You do not need additional hardware like an external
MCU, Scopia PathFinder for firewall traversal, or Scopia ECS Gatekeeper for routing calls.
•The included Scopia XT Desktop provides built-in NAT and firewall traversal functionality, enabling
secure remote connections from Scopia Mobile and Scopia XT Desktop Clients.
The Scopia XT Server for IP Office includes the following:
•Full SMB9 - Advanced MCU level, with up to 8 participants:
–Eight endpoints
Or
–Seven mixed endpoints and PC clients
Figure 3: Scopia XT Server for IP Office Deployment on page 10 shows a typical topology for the
Scopia XT Server for IP Office solution. For more information, see the Solution Guide for Scopia
Solution.
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Figure 3: Scopia XT Server for IP Office Deployment
Deploying Scopia XT Desktop Server with Dual-NIC
Scopia XT Desktop Server can be installed on servers with multiple Network Interface Cards (NICs).
Depending on the deployment and network configuration, you may want to control which NIC is used for
various server communications.
Important:
The minimum requirement is to use a 100 Mbit NIC. It is recommended that you use a Gigabyte NIC
for better performance. Bandwidth shown is for Standard Definition (384 kbps) or High Definition
(1024 kbps).
For example, in secure multiple NIC deployments you can use a NIC configured behind the firewall to
communicate with the Scopia XT Server for IP Office, while using another NIC for Scopia XT Desktop
Client connections (Figure 4: Scopia XT Desktop Server with a dual-NIC deployment on page 11). In
this case, configure the Scopia XT Desktop IP address to represent the NIC behind the firewall. For the
Scopia XT Desktop public address, use a DNS name which resolves to the NIC outside the firewall, and
is accessible both inside and outside the enterprise.
For more information and to configure the public address, see Defining Scopia XT Desktop Server
Public Address and Other Client Connection Settings on page 28.
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Figure 4: Scopia XT Desktop Server with a dual-NIC deployment
Scopia XT Desktop Clients can connect to the Scopia XT Desktop Server either by an IP address or a
DNS name. In many deployments the Scopia XT Desktop Server IP address is not accessible to clients
outside the enterprise due to NAT or firewall restrictions. Therefore, Scopia XT Desktop Server has a
public address, which must be a DNS name resolving to the correct Scopia XT Desktop Server IP
address both inside and outside the corporate network.
Planning your Bandwidth Requirements
The Scopia Solution supports a number of technologies designed to minimize the bandwidth used in
videoconferences. For more information on the bandwidth-saving features of Scopia Solution, see
Scopia Solution Guide. Even so, there are policy decisions you can make to reduce bandwidth further by
deciding on the location of video network components and setting bandwidth management policies in
your organization. You can estimate the total bandwidth required for Scopia XT Desktop, which includes:
•Bandwidth consumed by videoconference participants connecting to the Scopia XT Desktop
Server (Scopia XT Desktop Clients and Scopia Mobile devices)
Use your Scopia XT Desktop bandwidth estimation to do the following:
•Calculate your bandwidth costs, for both external and internal bandwidth (see Calculating the
Bandwidth Used by Scopia XT Desktop Participants on page 11).
For example, to reduce bandwidth, you may decide that all calls going outside your organization
are limited to standard definition (SD), or that all calls are SD by default.
Navigation
•Calculating the Bandwidth Used by Scopia XT Desktop Participants on page 11
•Calculating Scopia XT Desktop Bandwidth Usage on page 12
Calculating the Bandwidth Used by Scopia XT Desktop
Participants
This section describes how to calculate the bandwidth required for videoconferences with Scopia XT
Desktop participants (both Scopia XT Desktop Clients and Scopia Mobile devices).
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The Scopia XT Desktop Server coordinates videoconferences between Scopia XT Desktop
Clients/Scopia Mobile devices and the Scopia XT Server for IP Office.
Table 1: Default bandwidth used for one connection on page 12 lists the default bandwidth used for
each connection between the participant and the Scopia XT Desktop Server.
Table 1: Default bandwidth used for one connection
Type of connection Default bandwidth required
Upload bandwidth for one SD participant 384 kbps
Download bandwidth for one SD participant 384 kbps
Upload bandwidth for one HD participant 1024 kbps
Download bandwidth for one HD participant 1024 kbps
Calculating Scopia XT Desktop Bandwidth Usage
This topic describes how to calculate the bandwidth required for adding Scopia XT Desktop Clients and
Scopia Mobile devices to a videoconference hosted on the Scopia XT Server for IP Office using it's built-
in MCU (see Figure 5: Upload and download bandwidths for Scopia XT Desktop on page 12)
Figure 5: Upload and download bandwidths for Scopia XT Desktop
The bandwidth used for each Scopia XT Desktop Client participant is defined in the server settings (see
Figure 6: Setting maximum bandwidth in Scopia XT Desktop Server on page 13).
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Figure 6: Setting maximum bandwidth in Scopia XT Desktop Server
The formula for calculating external bandwidth is as follows:
Total upload bandwidth = upload bandwidth per participant × num of internet participants
Total download bandwidth = download bandwidth per participant × num of internet participants
For example, if the defined call rate is 384 kbps, each participant uses 384 kbps for uploading and 384
kbps for downloading. So if 5 Scopia XT Desktop participants connect to a videoconference from the
external internet at 384 kbps, the bandwidth for these participants is 384 x 5 = 1920 kbps for upload and
1920 kbps for download.
Ports to Open on Scopia XT Desktop
The Scopia XT Desktop Server is typically located in the DMZ (see Figure 7: Locating the Scopia XT
Desktop Server in the DMZ on page 14) and is therefore connected to both the enterprise and the
public networks. Scopia XT Desktop Clients can be located in the internal enterprise network, in the
public network, or in a partner network.
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Figure 7: Locating the Scopia XT Desktop Server in the DMZ
When opening ports between the DMZ and the enterprise on the Scopia XT Desktop Server, use the
following as a reference:
•When opening ports that are both in and out of the Scopia XT Desktop Server, see Table
2: Bidirectional Ports to Open Between the Scopia XT Desktop Server and the Enterprise on page
15.
•When opening ports that are outbound from the Scopia XT Desktop Server, see Table
3: Outbound Ports to Open from the Scopia XT Desktop Server to the Enterprise on page 15.
•When opening ports that are inbound to the Scopia XT Desktop Server, see Table 4: Inbound
Ports to Open from the Enterprise to the Scopia XT Desktop Server on page 16.
When opening ports between the DMZ and the public on the Scopia XT Desktop Server, use the
following as a reference:
•When opening ports that are both in and out of the Scopia XT Desktop Server, see Table
5: Bidirectional Ports to Open Between the Scopia XT Desktop Server and the Public on page
16.
•When opening ports that are inbound from the Scopia XT Desktop Server, see Table 6: Inbound
Ports to Open from the Public to the Scopia XT Desktop Server on page 17.
Important:
The specific firewalls you need to open ports on depends on where your Scopia XT Desktop and
other Scopia Solution products are deployed.
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Table 2: Bidirectional Ports to Open Between the Scopia XT Desktop Server and the Enterprise
Port Range Protocol Destination Functionality Result of
Blocking Port Required
1024- 65535 TCP
(H.245/
Q.931)
Scopia XT Server
for IP Office Enables connection to Scopia XT Desktop
meetings.
Cannot connect to
the meeting Mandatory
To limit range, see
Limiting the TCP Port
Range for H.245/Q.931
on the Scopia XT
Desktop Server on page
18
10000-65535 UDP
(RTP) Scopia XT Server for IP Office or
Scopia XT
Desktop Client
Enables media
connection to the
Scopia XT Server for
IP Office, and the
Scopia XT Desktop
Client or Scopia
Mobile.
Media cannot be
passed from the
Scopia XT Server
for IP Office to
Scopia XT
Desktop Clients.
Also, connection is
tunneled via TCP
port 443 resulting
in a drop in
performance.
Mandatory
To limit range, see
Limiting the UDP Port
Range for RTP/RTCP on
the Scopia XT Desktop
Server on page 17
Table 3: Outbound Ports to Open from the Scopia XT Desktop Server to the Enterprise
Port Range Protocol Destination Functionality Result of
Blocking Port Required
1720 TCP Scopia XT Server
for IP Office Enables connection to Scopia XT Desktop
meetings.
Cannot connect to
the meeting Mandatory
3337 TCP (XML) Scopia XT Server
for IP Office Enables meeting cascading connection to the Scopia XT
Server for IP Office
Meeting cascading
connection is
disabled
Mandatory
3336 TCP Scopia XT Server
for IP Office Enables meeting control with Scopia XT Server for IP
Office
Meeting control is
disabled Mandatory
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Table 4: Inbound Ports to Open from the Enterprise to the Scopia XT Desktop Server
Port
Range Protocol Destination Functionality Result of Blocking Port Required
80 TCP
(HTTP) Web client Provides access to the Scopia XT Desktop Server
Web Portal (you can
configure port 443 instead)
Cannot access the
Scopia XT Desktop
Server Web Portal
Mandatory if using
HTTP.
You can configure
this port during
installation. For
more information,
see Installing the
Scopia XT
Desktop Server.
443 TCP
(TLS) Scopia XT Desktop
Clients and
Scopia Mobile
Enables sending control
messages between the
Scopia XT Desktop Server
and Clients, and is also used
to tunnel RTP media if the
UDP ports are blocked
Scopia XT Desktop
Client or Scopia Mobile
cannot connect to the
Scopia XT Desktop
Server
Mandatory
Table 5: Bidirectional Ports to Open Between the Scopia XT Desktop Server and the Public
Port Range Protocol Destination Functionality Result of Blocking
Port Required
10000-65535 UDP (RTP/
RTCP) Scopia XT Desktop Client
or Scopia
Mobile
Enables media
connection with the
Scopia XT Desktop
Client or Scopia
Mobile
Connection is
tunneled via TCP
port 443 and
performance is not
optimal
Recommended
To configure, see
Limiting the UDP Port
Range for RTP/RTCP
on the Scopia XT
Desktop Server on page
17
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Table 6: Inbound Ports to Open from the Public to the Scopia XT Desktop Server
Port
Range Protocol Destination Functionality Result of Blocking Port Required
80 TCP
(HTTP) Web client Provides access to the web user interface (you can
configure port 443 instead)
Cannot access the
web user interface Mandatory if using HTTP.
You can configure this
port during installation.
For more information,
see Installing the
Scopia XT Desktop
Server.
443 TCP
(TLS) Scopia XT Desktop
Clients and
Scopia Mobile
Enables sending control
messages between the
Scopia XT Desktop Server
and Clients, and is also
used to tunnel RTP media if
the UDP ports are blocked
Scopia XT Desktop
Clients cannot
connect to the
Scopia XT Desktop
Server
Mandatory
Limiting Port Ranges on the Scopia XT Desktop Server
About this task
This section provides instructions of how to limit the following port ranges on the Scopia XT Desktop
Server:
Navigation
•Limiting the UDP Port Range for RTP/RTCP on the Scopia XT Desktop Server on page 17
•Limiting the TCP Port Range for H.245/Q.931 on the Scopia XT Desktop Server on page 18
Limiting the UDP Port Range for RTP/RTCP on the Scopia XT Desktop Server
About this task
The Scopia XT Desktop Server has designated 10000-65535 as the default port range for UDP
(RTP/RTCP). To provide additional security for your firewall, you can limit this range.
To calculate approximately how many ports the Scopia XT Desktop Server uses, multiply the number of
license connections by 14, which amounts to reserving 14 ports per client.
Procedure
1. Log in to the Scopia XT Desktop Server Administrator web user interface.
2. Select Client > Settings.
3. Locate the Multimedia Ports section (see Figure 8: Multimedia Ports Area on page 18).
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Figure 8: Multimedia Ports Area
4. Configure your port range (using any values between 2326 and 65535) by doing the
following:
a. Enter the base port value in the Lowest Multimedia Port field.
b. Enter the upper port value in the Highest Multimedia Port field.
5. Select OK or Apply.
Limiting the TCP Port Range for H.245/Q.931 on the Scopia XT Desktop
Server
About this task
The Scopia XT Desktop Server has designated ports 1024-65535 for TCP for H.245 and Q.931
signaling. To provide additional security for your firewall, you can limit this range.
For each conference, the Scopia XT Desktop Server uses 2 ports. In addition, add extra ports for:
•Add 2 ports for each participating Scopia XT Desktop Client client.
•Add 1 port per conference when presenting using the content slider.
Procedure
1. Navigate to <Scopia XT Desktop install_dir>\ConfSrv.
2. Edit the config.val file as follows:
a. Locate the text 1 system.
b. At the bottom of that section, add two lines:
2 portFrom = <lowest range limit>
2 portTo = <highest range limit>
Where <lowest range limit> is the base port of your port range and <highest
range limit> is the upper value of your port range.
3. Access the Windows services and restart the Scopia XT Desktop - Conference Server
service.
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Chapter 3 | Installing the Scopia XT Desktop
Server
About this task
Follow these recommendations when installing the Scopia XT Desktop Server components:
•Do not install the Scopia XT Desktop Client on the same PC as any Scopia XT Desktop component.
•If you want to encrypt communication with HTTPS, configure the Conference Server for Scopia XT Desktop to
port 443 after the installation is completed (see Securing Web Connections and Media Traffic to Scopia XT
Desktop Server on page 37).
Important:
Using encryption is subject to local regulation. In some countries it is restricted or limited for usage. For more
information, consult your local reseller.
Follow this procedure to install the Scopia XT Desktop Server.
Before you begin
To enable Scopia XT Desktop to work with the Scopia XT Server for IP Office, your XT Server must have two
licenses: an MCU license and a Scopia XT Desktop license.
•Before installing, verify the computer meets the minimum hardware requirements for the number of intended
users. For more information, see Minimum Requirements and Specifications of Scopia XT Desktop Server on
page 7.
•By default, Scopia XT Desktop Clients access the Scopia XT Desktop Server via port 80. If other applications
on this PC use port 80, and you nevertheless want to use this port, access the Services panel in Windows and
disable the IIS Administration, HTTP SSL, and World Wide Web Publishing services before installing the
Conference Server.
Procedure
1. Launch the setup.exe file to start the Scopia XT Desktop Setup Wizard.
2. Select the installation language in the Choose Setup Language window, and select OK.
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Figure 9: Choosing language for the installation
3. Select Next and accept the license agreement.
4. Enter the IP address or DNS name of the Scopia XT Server for IP Office which hosts videoconferences
with its built-in MCU in the XT Server Address window, and select Next.
Figure 10: Specifying the XT Server with built-in MCU
5. Change the installation folder if required, and select Next.
6. In the Network Configuration window, select the IP address used for communicating with the Scopia XT
Server for IP Office.
If the server has one NIC card, the Network Interface field has only one value to choose, the IP of the
NIC. For dual-NIC servers, select the network IP address pointing to the internal firewall. For more
information on dual-NIC setups, see Deploying Scopia XT Desktop Server with Dual-NIC on page 10
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