4 Preparing for Installation

4 Preparing for Installation
CH A P T E R
4
Preparing for Installation
Revised July 3, 2012
The following sections describe the activities that you must complete before installing the
Cisco TelePresence Exchange System software:
•
Preinstallation Checklist, page 4-1
•
Recommendations for Rack Mounting the Cisco TelePresence Exchange System and Other Solution
Components, page 4-2
•
Cabling Requirements, page 4-2
•
VLAN Requirements and Restrictions, page 4-5
•
Gathering Required Information Before Installation, page 4-5
•
Setting Up the IMM, page 4-7
Preinstallation Checklist
Preinstallation Tasks
Checkoff
Rack mount the Cisco TelePresence Exchange System and solution components. See the
“Recommendations for Rack Mounting the Cisco TelePresence Exchange System and
Other Solution Components” section on page 4-2.
Check that the power cords for your servers and monitors are securely attached and plugged
in to working power sources.
We recommend that you use an uninterruptible power supply (UPS) or dual power sources,
especially for the database servers.
Check that the servers are properly cabled. See the “Cabling Requirements” section on
page 4-2.
Check that you can access the Cisco TelePresence Exchange System servers (database,
administration, and call engine) by using a local console.
Verify that your Cisco TelePresence Exchange System installation DVD has the latest
software version. If you are not sure, or if you do not have the DVD, download the latest
software from the following URL, and burn the disk image onto a DVD:
http://www.cisco.com/go/ctx-download.
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Recommendations for Rack Mounting the Cisco TelePresence Exchange System and Other Solution Components
Preinstallation Tasks
Checkoff
Verify that you have all the required information before you begin the installation. See the
“Gathering Required Information Before Installation” section on page 4-5.
If you plan to enable the domain name system (DNS) client on each Cisco TelePresence
Exchange System server, enter each hostname and IP address into the DNS servers,
including the virtual hostname and virtual IP (VIP) address that are shared by the database
servers.
Verify that each VLAN that will have a Cisco TelePresence Exchange System server can
connect to the NTP servers.
(Optional) Set up the IMM for each server to enable remote control of each server. See the
“Setting Up the IMM” section on page 4-7.
Recommendations for Rack Mounting the Cisco TelePresence
Exchange System and Other Solution Components
Note
Leave a space of one-third of a rack unit (RU) between each unit to provide proper ventilation.
Use the following list to determine the rack position of each solution component, where item 1 is at the
top of the rack:
1.
Cisco router with interactive voice response (IVR)—two systems
2.
Cisco Application Control Engine (ACE)—two systems
3.
Cisco TelePresence Video Communication Server
4.
Cisco TelePresence Manager
5.
Cisco TelePresence Multipoint Switch
6.
Keyboard-video-mouse (KVM) switch for console access to all systems
7.
Power distribution unit (PDU)—two units for redundancy
8.
Cisco Catalyst Switch—two systems
9.
Cisco TelePresence Exchange System database servers—two servers
10. Cisco TelePresence Exchange System administration servers—two servers
11. Cisco TelePresence Exchange System call engine servers—two servers
Note
The Cisco Unified Communications Manager and Cisco Session Border Controller are also part of the
Cisco TelePresence Exchange System solution, but Cisco expects that those components are already
installed and in use in the network and therefore does not provide rack-mounting recommendations.
Cabling Requirements
•
Cabling Requirements for the Database Servers, page 4-3
•
Cabling Requirements for the Administration and Call Engine Servers, page 4-4
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Cabling Requirements
Cabling Requirements for the Database Servers
To provide active/standby redundancy for the database servers, you must connect the primary and
secondary database servers as shown in Figure 4-1.
You can use straight-through or crossover cables for these connections.
Figure 4-1
Required Cabling Between the Database Servers
Primary database server
SYSTEM
MGMT
3
4
1
2
Secondary database server
SYSTEM
MGMT
3
4
1
2
LAN switch 1
199996
Note
LAN switch 2
Port label
Interface
Bonded Interface
1
Ethernet 0—application data and heartbeat
Bond 0
2
Ethernet 1—data replication between database servers
Bond 1
3
Ethernet 2—application data and heartbeat
Bond 0
4
Ethernet 3—data replication between database servers
Bond 1
SYSTEM MGMT
Integrated management module (IMM)
—
(optional)
You are not required to use the IMM interface, which
enables remote control of the server.
When the servers are cabled as shown in Figure 4-1, the system remains connected if any one component
or cable fails. Specifically:
•
The NICs on each server are connected to separate switches.
In each server, Ethernet 0 and Ethernet 1 are on one NIC, while Ethernet 2 and Ethernet 3 are on a
second NIC.
•
On each database server, the Cisco TelePresence Exchange System software automatically
implements NIC teaming to bond the following interfaces together:
– Ethernet 0 with Ethernet 2.
– Ethernet 1 with Ethernet 3.
•
Each NIC has a heartbeat connection to the redundant server.
•
You are not required to use the IMM interfaces, but if you do, then we recommend that you cable
them as shown in Figure 4-1 to connect the IMM interfaces to separate switches.
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Cabling Requirements
Related Topics
•
Setting Up the IMM, page 4-7
Cabling Requirements for the Administration and Call Engine Servers
To provide switch and network redundancy for the administration servers and call engine servers, you
must connect the servers as shown in Figure 4-2.
Note
You can use straight-through or crossover cables for these connections.
Figure 4-2
Required Cabling Between Administration Servers and Between Call Engine Servers
Server 1
SYSTEM
MGMT
3
4
Server 2
1
2
SYSTEM
MGMT
3
4
1
2
236113
LAN switch 1
LAN switch 2
Port label
Interface
Bonded Interface
1
Ethernet 0—data
Bond 0
2
Ethernet 1—data
Bond 0
3
Ethernet 2—currently not used
—
4
Ethernet 3—currently not used
—
SYSTEM MGMT
Integrated management module (IMM)
—
(optional)
You are not required to use the IMM
interface, which enables remote control of
the server.
On each administration server and call engine server, the Cisco TelePresence Exchange System software
bonds Ethernet 0 with Ethernet 1. When the servers are cabled as shown in Figure 4-2, the bonded
interface is connected to both LAN switches.
You are not required to use the IMM interfaces, but if you do, then we recommend that you connect the
IMM interfaces to separate LAN switches.
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VLAN Requirements and Restrictions
VLAN Requirements and Restrictions
Apply the following requirements, restrictions, and recommendations as you assign IP addresses to the
Cisco TelePresence Exchange System:
•
You cannot assign any IP addresses in the 10.0.0.x/8 address space.
•
The data network interfaces of all nodes in the Cisco TelePresence Exchange System server cluster
must be on the same VLAN. Therefore, the same VLAN must be used for all of the following
interfaces:
– Ethernet 0 and Ethernet 2 of both database servers.
– Ethernet 0 and Ethernet 1 of both administration servers and both call engine servers.
Note
This VLAN is the inside network VLAN that you will configure on the Cisco Application
Control Engine (ACE) in a redundant or non-redundant ACE configuration.
•
The data VLAN of the Cisco TelePresence Exchange System must be separate from the data VLANs
that are used by the following solution components:
– Cisco Unified Communications Manager
– Cisco Session Border Controller
– Cisco TelePresence Multipoint Switch
– Cisco Router with Integrated Voice Response (IVR)
Note
•
You must be able to ping the default gateway from each of the Cisco TelePresence Exchange System
servers.
•
If you use the integrated management module (IMM) interfaces on the Cisco TelePresence
Exchange System servers, we recommend that you use a separate system management VLAN for
the IMM interfaces.
Make sure that packets can be routed between all of the VLANs that you implement for the
Cisco TelePresence Exchange System solution.
Gathering Required Information Before Installation
Complete the worksheets in Appendix A, “Installation Worksheets,” as you collect the following
information. Before you proceed, however, read the “VLAN Requirements and Restrictions” section on
page 4-5.
•
Unique hostnames:
– One hostname for each of the database, call engine, and administration servers.
– One virtual hostname to be shared by the two database servers.
•
Unique IP addresses and their subnet masks:
– One IP address for each of the database, call engine, and administration servers.
– One virtual IP (VIP) address to be shared by the two database servers. The database VIP is the
only address that the network recognizes for the database servers, only one of which is active at
any given time.
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Gathering Required Information Before Installation
– (Optional) One IP address for each integrated management module (IMM) interface. The IMMs
enable remote control of the servers.
•
IP addresses of the default gateways:
– IP address of the default gateway for the data network interfaces. (This address is the IP address
of the inside network interface VLAN of the Cisco Application Control Engine.)
– (Optional) IP address of the default gateway for the IMM interfaces.
•
Administrator usernames and passwords:
– For accessing the CLI of each database, administration, and call engine server. You must use the
same administrator username and password on all Cisco TelePresence Exchange System
servers, because the administration servers also use the administrator credentials over SSH to
get the status of all nodes in the server cluster.
– (Optional) For accessing each IMM interface, which enables remote control of the server.
•
A security password.
The database server uses this password to authenticate data requests from the administration and call
engine servers. Therefore, you must define the same security password for the database,
administration, and call engine servers.
Note
•
After you configure the security password on a server, you cannot change it without
reinstalling the server.
(Optional) Domain Name System (DNS) information:
– IP address of a primary DNS server.
– (Optional) IP address of a secondary DNS server.
– Domain name.
•
IP addresses, hostnames, or pool names for external Network Time Protocol (NTP) clocking
sources. Cisco recommends that you use at least three external NTP clocking sources.
You must configure the same NTP entries on the database, call engine, and administration servers.
•
For the SIP load balancer, which is the Cisco Application Control Engine (ACE):
– VIP address.
– Port number—Cisco recommends that you use the default port 5060.
•
For generating locally significant certificates (LSC) for each database, call engine, and
administration server:
– Organization—typically your company name.
– Unit—typically your business unit and department.
– Location—typically the building, floor, and rack in which the server is installed.
– State and Country—where the server is located.
Use the following guidelines to determine each entry for generating LSCs:
– Refer to your company guidelines for format and entry requirements.
– Supported characters include alphanumeric, space, and the following special characters:
.,-_:;{}()[]#.
– Each field supports up to 255 characters.
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Setting Up the IMM
Setting Up the IMM
You may choose to set up the IMM on each Cisco TelePresence Exchange System server to enable you
to control each server remotely; this remote access is available whenever the server is plugged in to a
working power source, even if the server is turned off.
To set up the IMM, complete the following tasks:
•
Setting Up the IMM Network Connection, page 4-7
•
Creating an IMM User Account, page 4-8
•
Enabling SSH for the IMM, page 4-9
Setting Up the IMM Network Connection
Before You Begin
Find your completed Appendix A, “Installation Worksheets.”
Procedure
Step 1
Attach a console to the console port of the server.
The console port is located on the front of the server.
Step 2
Turn the server on by pressing the power button that is located on the front of the server.
After approximately one minute, an IBM System x screen is displayed on the console.
Step 3
Watch for the F1 <setup> option to appear at the bottom of the IBM System x screen. This may take
another minute or two.
Step 4
Press the F1 key as soon as the option appears.
If the option disappears before you press F1, then turn the server off and on, and try again.
Tip
At any time in the following steps, if you accidentally end up in the wrong screen or select the
wrong field, press the Esc key to back out of that screen or field selection.
Step 5
In the System Configuration and Boot Management screen, select System Settings.
Step 6
In the System Settings screen, select Integrated Management Module.
Step 7
In the Integrated Management Module screen, select Network Configuration.
Step 8
In the Network Configuration screen, select the DHCP Control field value.
Step 9
In the DHCP Control field, select the Static IP option.
Step 10
Enter the IP address, subnet mask, and default gateway IP address for the IMM interface.
Step 11
Select Save Network Settings.
Step 12
Press the Enter or Return key to continue.
Step 13
Press the Esc key repeatedly to exit each setup screen.
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Setting Up the IMM
Step 14
When prompted, press the Y key to exit the setup utility.
The server reboots.
Step 15
Repeat this procedure for the redundant server.
What to Do Next
Proceed to the “Creating an IMM User Account” section on page 4-8.
Creating an IMM User Account
Before You Begin
•
Complete the procedure in the “Setting Up the IMM Network Connection” section on page 4-7.
•
Complete this task by using one of the following web browsers:
– Microsoft Internet Explorer version 6.0 or later with the latest Service Pack
– Mozilla Firefox version 1.5 or later
•
Make sure that the browser allows popup windows from the IMM.
Procedure
Step 1
Point a web browser to the IP address of the IMM interface.
Step 2
Log in to the IMM web interface with following default username and password:
username: USERID
password: PASSW0RD (Enter a zero instead of the letter O.)
Step 3
(Optional) Set the inactive session timeout value.
Step 4
Click Continue.
Step 5
In the left navigation area, select System > IMM Control > Login Profiles.
Step 6
In the Login Profiles area, click Add User.
Step 7
In the Login ID field, enter the username.
The username must have between 4 and 16 characters, and may include uppercase and lowercase letters,
numbers, periods, and underscores.
Step 8
In the Password and Confirm password fields, enter a password that contains a minimum of five
characters, one of which must be a nonalphabetic character. You cannot use a null or empty password.
Step 9
Select the Supervisor authority level, which provides unlimited access.
Step 10
Click Save.
Step 11
(Optional) To prevent unauthorized access, change the password for the default IMM user account by
completing these steps:
a.
In the Login Profiles area, click the USERID Login ID.
b.
Enter a new password into the Password and Confirm password fields.
c.
Click Save.
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Setting Up the IMM
What to Do Next
Proceed to the “Enabling SSH for the IMM” section on page 4-9.
Enabling SSH for the IMM
The secure shell (SSH) provides secure access to the command-line interface (CLI) and the serial
redirect features of the IMM. An SSH user is authenticated by exchanging the username and password,
which are sent after the encryption channel is established. The username and password can be one of the
12 username and password pairs that the server stores locally, or they can be stored on a lightweight
directory access protocol (LDAP) server. Public key authentication is not supported.
Before You Begin
•
Complete the procedure in the “Creating an IMM User Account” section on page 4-8.
•
Complete this task by using one of the following web browsers:
– Microsoft Internet Explorer version 6.0 or later with the latest Service Pack
– Mozilla Firefox version 1.5 or later
•
Make sure that the browser allows popup windows from the IMM.
Procedure
Step 1
In the IMM web interface, choose System > IMM Control > Security.
Step 2
Scroll down to the SSH Server Key Management area.
Step 3
Click Generate SSH Server Private Key.
An SSH server key is used to authenticate the identity of the SSH server to the client.
Step 4
Wait for the progress bar to indicate completion.
Step 5
In the SSH Server field, select Enabled.
Step 6
Click Save.
Step 7
In the left navigation area, select System > IMM Control > Restart IMM.
Step 8
Click Restart.
Step 9
Click OK to confirm the restart.
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Chapter 4
Setting Up the IMM
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Preparing for Installation
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