Table Of Contents
Using the Cisco Media Convergence Server Network Teaming Driver with Operating System Version 2000.2.7
The Cisco Media Convergence Server (MCS) Network Teaming Driver enables the functionality for the failover fault-tolerant network adapters. This driver works with Cisco Media Convergence Servers that have dual network interface cards (NICs) installed. With this functionality, the standby NIC can handle all IP traffic if the primary NIC fails.
Operating system version 2000.2.7 automatically installs the Network Teaming Driver as part of the installation process. You must perform configuration tasks, as described in this document, to set up and use the Network Teaming Driver.
Use this document with operating system version 2000.2.7 or later. For information about installing and configuring the Network Teaming Driver with earlier versions of the operating system, refer to previous versions of Using the Cisco Media Convergence Server Network Teaming Driver with Operating System, which are available at this URL:
This document contains the following topics:
Related Cisco CallManager and Operating System Documentation
Table 1 provides a list of Cisco CallManager and operating system documentation. You can navigate to the appropriate documentation by clicking the URLs that are shown in this table.
Server and Operating System Requirements
The following servers support the Network Teaming Driver:
•Cisco MCS-7825H-2.2 (or later)
•Cisco MCS-7835H-2.4 (or later)
•Cisco MCS-7845H-2.4 (or later)
•Cisco-verified, customer-provided HP DL380 G2 server
•Cisco-verified, customer-provided HP DL380 G3 server, including single and dual processors
•Cisco-verified, customer-provided HP DL320 G2 server
•Cisco-verified, customer-provided HP DL320 G4 server
Note Cisco requires that you install Cisco-provided operating system version 2000.2.7 or later before you configure the Network Teaming Driver driver.
Preparation and Considerations
Review the following information before you configure the Network Teaming Driver:
•Cisco requires that you install Cisco-provided operating system version 2000.2.7 or later.
•You must reboot the server after you perform the driver configuration tasks.
•If you want to uninstall the network teaming driver, you must reboot the server for the changes to take effect.
•Perform all configuration tasks on every server in the cluster where the driver is supported.
•You must enable network teaming from the console. You cannot perform this procedure remotely through Terminal Services or Virtual Network Computing (VNC).
Note Cisco strongly recommends that you configure the Network Teaming Driver before you install or upgrade Cisco CallManager.
If you do not perform the tasks in the recommended order and decide to configure the driver after the application upgrade, you might encounter a Service Control Manager error message, as shown in Figure 8. To resolve this problem, follow the procedure in the "Troubleshooting the Network Teaming Driver" section.
Perform the following procedure before you configure the driver:
Step 1 After you install Cisco-provided operating system 2000.2.7 on every server in the cluster, right-click My Network Places.
Step 2 Right-click Local Area Connection; choose Properties.
Step 3 Choose the Internet Protocol (TCP/IP) component and click the Properties button.
Step 4 In Table 2, write down the IP information, including the IP address, subnet mask, the default gateway, and the DNS/WINS settings.
Tip To obtain the WINS setting, click the Advanced button for WINS settings.
Table 2 Internet Protocol Information for the Primary Network Card
Information Your Entry
Link speed setting
Step 5 After you record the information, click Cancel.
Step 6 In the Local Area Connection window, click the Configure button.
Step 7 Click the Advanced tab.
Step 8 In the Property pane, locate the speed and duplex settings.
These could be one or two different settings, depending on the server type.
Step 9 In Table 2, write down the speed and duplex setting values for the primary network card.
Step 10 Right-click the second network card connection, Local Area Connection 2.
Step 11 Choose Enable.
Note The installation of Cisco-provided operating system version 2000.2.7 or later automatically disables the second network card. You must enable it now.
In addition, make sure the second network card is connected to the network. The network team will not be created correctly if only one network card is connected. If the network team is not created correctly, verify the connection of the second network card and rerun the Network Teaming Driver configuration procedures.
This section includes information about configuring the Network Teaming Driver.
Configuring the Network Teaming Driver
To configure the Network Teaming Driver, perform the following procedure:
Step 1 Locate the HP Network Configuration Utility 7 icon in the Windows 2000 system tray or by navigating to Start > Settings > Control Panel > HP Network.
Figure 1 shows this icon.
Figure 1 HP Network Configuration Utility 7 Icon
Step 2 Double-click the icon to launch the HP Network Configuration Utility 7.
The HP Network Configuration Utility Properties window displays, as shown in Figure 2.
Figure 2 HP Network Configuration Utility Properties Window
Step 3 Click each HP NIC that is listed to select both entries, as shown in Figure 3.
Figure 3 Selected HP NICs
Step 4 In the Teaming Setup area, click Team to team the selected HP NICs.
The NICs are teamed, as shown in Figure 4:
Figure 4 Team Created
Step 5 Click Properties.
The Team Properties window displays, as shown in Figure 5. In this figure, HP Network Team #1 represents the default name for the team
Figure 5 Team Properties Window
Step 6 In the Team Properties window, make the following settings in the Team Settings area, if these setting are not made already:
•Team Type Selection—Automatic (Recommended)
•Transmit Load Balancing Method—Automatic (Recommended)
Step 7 In the Team Properties window, click OK.
You have created the HP Network Team.
Step 8 In the HP Network Configuration Utility 7 Properties window, click OK.
A confirmation window displays, as shown in Figure 6.
Figure 6 Confirmation
Tip You can change the team properties, if desired, by clicking Properties in the HP Network Configuration Utility 7 Team Properties window. For example, you can use Properties to change the name of the HP Network Team. After you change the properties, click OK.
Step 9 To confirm your changes and continue, click Yes.
Step 10 Wait while the adapters are being configured; then, click Yes when prompted to reboot the server, as shown in Figure 7.
Figure 7 Successful Configuration Changes
Step 11 Launch the HP Network Configuration Utility 7, as described in Step 2.
Step 12 Click NIC Port #1 (or a variation of that name) to select the NIC; then, click Properties.
Step 13 Click the Settings tab.
Step 14 Choose Speed/Duplex Setting and enter the setting that you recorded in Table 2.
Step 15 Click OK.
Step 16 Click NIC Port #1 (or a variation of that name) to deselect the NIC.
Step 18 Click OK.
Step 19 Right-click My Network Places; choose Properties for the Local Area Connection.
An additional network card, Local Area Connection 3, displays in the window.
Step 20 Right-click the teamed connection; choose Properties.
Step 21 Choose the Internet Protocol (TCP/IP) option and click the Properties button.
Step 22 From Table 2, enter the information, including the IP address, the subnet mask, the default gateway, and the DNS/WINS settings.
Tip To enter the WINS setting, click the Advanced button for WINS settings. After you enter the information, make sure that you click OK.
Step 23 After you enter the information, click OK.
Step 24 Click OK.
Step 25 Close the Network and Dial-up Connections window.
You do not need to reboot the server.
Step 26 Perform all teaming procedures on every server in the cluster where the teaming driver is supported.
Step 27 Perform Cisco CallManager installation tasks. See Table 1 for reference to Cisco CallManager documentation.
Dissolving the Network Teaming Driver
When you dissolve the driver, you disassociate the two NICs and the virtual NIC that is used for the driver. The teaming drivers remain installed, but they no longer are configured or used.
In this case, the server will use NIC #1 only for IP telephony.
To dissolve the Network Teaming Driver, perform the following procedure:
Step 1 Double-click the HP Network Configuration Utility 7 icon that displays in the Windows 2000 system tray.
Step 2 Click HP Network Team #1.
Step 3 Click Dissolve.
Step 4 Click OK.
Step 5 To apply changes, click Yes.
Step 6 Click OK after all configuration changes are successful.
Caution Failing to disable the second NIC may result in two IP addresses being assigned to the server. Assigning two IP addresses to the Cisco CallManager server may cause a loss of service.
When you uninstall the driver, you delete the drivers from the server. The server will use NIC #1 only for IP telephony.
To uninstall the Network Teaming Driver, perform the following procedure:
Step 1 Right-click My Network Places and choose Properties.
Step 2 Right-click any active network card connection and click Properties.
Step 3 Choose HP Network Configuration Utility 7 and click Uninstall.
Step 4 To uninstall the driver, click Yes.
Step 5 For the changes to take effect, click Yes to reboot the server.
Step 6 After the server reboots, disable the second NIC.
Note If you need to reinstall the Network Teaming Driver, you must run HPConfigUtil.exe. To do so, navigate to C:\Utils\DualNIC\HPConfigUtil.exe and follow the procedure for configuring the driver (see Step 11 in the "Configuring the Network Teaming Driver" section).
Caution Failing to disable the second NIC may result in two IP addresses being assigned to the server. Assigning two IP addresses to the Cisco CallManager server may cause a loss of service.
To verify that you have uninstalled the driver, perform the following procedure:
Step 1 Right-click My Network Properties and choose Properties.
A list, which should not include the network team, displays.
Step 2 Right-click the primary network card connection, which is, by default, Local Area Connection, and choose Properties.
Step 3 Choose Internet Protocol (TCP/IP) option and click Properties.
Troubleshooting the Network Teaming Driver
After you configure the Network Teaming Driver and install Cisco CallManager, you might encounter a Service Control Manager error message, such as the one shown in Figure 8.
Figure 8 Service Control Manager Error Message
To identify and resolve this problem, perform the following procedure:
Step 1 Open the Event Viewer by choosing Start > Programs > Administrative Tools > Event Viewer.
Step 2 Select System Log.
Step 3 Browse the System Log to find an occurrence of the following entry around the time of the error:
•Source entry—Service Control Manager
Step 4 Double-click the Service Control Manager entry to open the Event Properties window.
The following description displays:The HP Network Configuration Utility 7 service failed to start due to the following error: The service cannot be started, either because it is disabled or because it has enabled devices associated with it.
Step 5 Navigate to the C:\Utils\DualNIC folder and double-click Teaming-CDP.cmd.
The utility runs for a few seconds. The fix takes effect without rebooting the server.
Starting with the next reboot of the server, this error message no longer appears.
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