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October 1, 2002
These release notes support the Cisco Content Distribution Network (CDN) Software Enterprise Solution Version 2.1.
These release notes describe the following topics:
Cisco CDN Software Enterprise Solution Version 2.1 adds important new features to the product. Among the software enhancements in Version 2.1 are:
Users and CDN administrators interact with the product using a Web-based graphical interface to the CDM that provides easy access to most CDN functions. The following minimum hardware and software requirements apply to each machine that will be used as a workstation to access the CDM.
For more information on configuring your CDN devices, refer to the Cisco CDN Software Enterprise Solution Configuration Guide.
The following sections are intended to help you upgrade from an earlier version of the CDN software to Version 2.1. If you are setting up the Content Delivery Network (CDN) for the first time, refer to Chapter 2, "Configuring and Activating Content Delivery Network Devices," in the Cisco CDN Software Enterprise Solution Configuration Guide. If you are migrating from SightPath CDN hardware to the Cisco CDN hardware platform, refer to the SightPath to Cisco Hardware Migration Procedure document.
To determine which version of the CDN software your devices are running, use the System feature of the Content Distribution Manager (CDM) as follows:
Step 1 Launch your Web browser and enter the IP address or DNS name of your CDM into the address field, for example:
http:// 127.0.0.1/start.html
Step 2 When prompted, log in to the CDM using an administrative username and password.
Step 3 From the Devices menu, click System.
The System dialog box appears, displaying information on the selected device.
Step 4 Choose the name of the device you are inquiring about from the Device Selector list.
Information on the selected device appears in the System dialog box.
Step 5 Refer to the row labeled Software Version for information on what version of the CDN software the selected device is using. For example,
V1-7-rc6
Updates to your CDN software are distributed through Cisco.com. Use the following procedure or refer to Chapter 4, "Maintaining the System Software," in the Cisco CDN Software Enterprise Solution User Guide for instructions on downloading updated software from Cisco.com, and then performing a manual upgrade to install the downloaded software.
Updates of the CDN software are available from Cisco.com, the Cisco customer support portal. Once you have downloaded the appropriate software from Cisco.com, use the manual upgrade procedure described in the "Performing a Manual CDN Software Upgrade" section to distribute the update files to all your CDN devices.
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Note In order to access Cisco.com and download your CDN software update, you need a registered username and password for the site. If you are a Cisco customer and service contract owner, a Cisco reseller, Premier Certified Partner, the customer of a Cisco certified Partner Initiated Customer Access (PICA) partner, or a Cisco consultant, you can acquire a login from the Cisco web site. |
CDN software can be downloaded from Cisco.com using either a browser pointed to Cisco.com, or an FTP application connected to the Cisco FTP site. Use the appropriate directions that follow to connect to Cisco.com.
To connect to Cisco.com:
Step 1 Launch your Web browser and point it to the following URL:
http://www.cisco.com/cgi-bin/tablebuild.pl/cdn-ent
Step 2 You are prompted to log on. Enter your Cisco.com username and password.
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Note You need to have a Cisco.com username and password before attempting to download a software update from Cisco.com. In order to acquire a Cisco.com login, you need a service contract number, Cisco.com registration number and verification key, PICA registration number and verification key, or packaged service registration number. |
Step 3 In the download area, locate the upgrade file or files for the version of the CDN software that you need. Version numbers are listed in the column labeled Release.
Step 4 For each upgrade file you need to download, click the filename to initiate the download.
Step 5 If you are prompted to open the file or save it to a disk, choose Save to save the file to a disk. Locate a directory on your hard drive or LAN to temporarily hold the upgrade file and click OK.
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Note You will later import upgrade files to the CDN, so be sure to place the files in a location that is easy to remember and which you will be able to access later. |
Step 6 Proceed to the "Performing a Manual CDN Software Upgrade" section for instructions on using the upgrade file to upgrade the software on your CDN devices.
In addition to downloading software upgrades for the CDN product from Cisco.com, you can also use your Web browser to download CDN software from Cisco's designated FTP site: ftp://ftp.cisco.com.
Step 1 Launch your Web browser.
Step 2 Log on to the Cisco FTP server as a registered user or as a guest.
ftp://userid:password@ftp.cisco.com
ftp://ftp.cisco.com
ftp://access_code:userid@host.domain/coded
Step 3 Navigate to the following download directory:
cisco/content-delivery/cdn/enterprise/
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Note Guest users are only able to see images that are located under the /pub directory. |
Step 4 Click the filename for each upgrade file to download the file to your local machine, or right-click the filename and choose the Save Link As or Save Target As options to save the target file to your local machine.
If you are prompted to open the file or save it to a disk, choose to save the file to a disk. Locate a directory on your hard drive or LAN to temporarily hold the upgrade file and click OK.
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Note You will later import these files to the CDN, so be sure to place them in a location from which they are easy to retrieve for import later. |
Step 5 Proceed to the "Performing a Manual CDN Software Upgrade" section for instructions on using the upgrade file to upgrade the software on your CDN devices.
In order to upgrade your CDN software manually, you must:
1. Create a manual upgrade channel that will distribute the updated license.
2. Subscribe any CDN devices requiring a software update to the manual upgrade channel.
3. Import software update files to the manual upgrade channel.
4. Distribute software update files to all devices marked for upgrade.
Once these steps are complete, you can use the Software Update feature to install the software upgrade files to subscribed devices. See the following sections below for more details on completing each step.
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Note It is imperative that you upgrade the software on your Content Engines (CEs) before upgrading the software on your CDM. Once your CDM software has been upgraded, any remaining CEs that have not also been upgraded will be unable to communicate with the CDM. Contact Cisco Technical Support if you have any questions regarding the proper procedure for upgrading your CDN devices. |
To create a manual upgrade channel:
Step 1 Launch your Web browser and point it to the CDM.
Step 2 Log on using your administrator logon.
Step 3 From the Channels menu, click Channel Console.
Step 4 Click Add Channel.
Step 5 Check the check box next to the channel name Channel # and click Edit.
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Note "Channel #" is the default channel name. If you have added other channels and have not renamed them, the channel that you added will be named "Channel #" (# being the next incremental number). |
Step 6 In the Name field, change the name of the channel to MANUAL_UPGRADE.
The channel must use this name (and letter case, as well) in order for it to function as an upgrade channel.
Step 7 In the Size Limit field, enter a value that accommodates your upgrade files.
For example, entering 100 in the field provided and then clicking the MB button sets the size limit of the MANUAL_UPGRADE channel to 100 MB.
Step 8 Check both the Auto Subscribe and Auto Replicate check boxes.
Step 9 Click Save Changes.
Once you have created your upgrade channel, subscribe all the devices requiring a software update to that channel.
Step 1 From the Channels menu, click Subscriber.
Step 2 From the Channel Selector, choose the MANUAL_UPGRADE channel.
Step 3 In the Unsubscribed CEs column, click All to select all of the unsubscribed devices for subscription to the upgrade channel.
Step 4 Click Subscribe.
The selected CEs are subscribed to the MANUAL_UPGRADE channel and receive upgrade files once they are imported to the channel.
To unsubscribe CEs from the MANUAL_UPGRADE channel, refer to Chapter 3, "Working with the Content Delivery Network," in the Cisco CDN Software Enterprise Solution User Guide for instructions on unsubscribing devices from a channel.
To import the software update files to the manual upgrade channel:
Step 1 From the Channels menu, click Media Importer and follow the directions for importing the files you downloaded from Cisco.com using the Web server, PC folders or FTP option.
Step 2 From the Channels menu, click Import Progress to monitor the progress of your import.
When the import is finished, the import status is "complete."
Step 3 Once you have imported your software upgrade to the manual upgrade channel, refer to the information on updating your CDN software to complete the upgrade process in Chapter 4, "Maintaining the System Software," of the Cisco CDN Enterprise Solution User Guide.
The following sections detail the new features and feature enhancements included in the Cisco CDN Software Enterprise Solution Version 2.1.
Decisions about which devices on your CDN serve a particular request for content are made by the CDN software using an intelligent model designed to maximize the success of each content request.
In the simplest scenario, requests from workstations on the CDN are routed to the nearest Content Engine (CE) on their network. However, CDN administrators can also override the default settings and influence content routing through the deployment of "preferred coverage zones" and "regular coverage zones" for CEs and the Content Distribution Manager (CDM).
Preferred coverage zones are ranges of IP addresses assigned to CEs or the CDM. When a request for content originates from an address within the preferred coverage zone of a CE or the CDM, that device is directed to serve the request.
All requests originating from outside the preferred coverage zone for a device, in what is referred to as a "regular" coverage zone, are processed by the nearest device. "Nearness" is determined by the local network segment of each device, defined by its IP address and network mask.
When content requests originate from addresses that are covered by more than one preferred coverage zone or regular coverage zone, the CDM chooses a CE from among the qualified CEs to serve the request.
Coverage zones are ranges of IP addresses on the CDN that are associated with specific devices. There are two types of coverage zones that you can specify:
Coverage zones that override the network defaults can be defined separately for each CE and for the CDM. When devices are not assigned a particular coverage zone, they use default "preferred" and "regular" coverage zones.
To assign a preferred coverage zone or regular coverage zone for a CE:
Step 1 From the Devices menu, choose System.
Step 2 Make sure that the correct CE is displayed in the Device Selector field. If it is not, click the correct device in the list.
General information about the selected device is displayed.
Step 3 In the section labeled CE Coverage Zones, select the Specify coverage zone settings option.
Fields for configuring your coverage zones appear.
Step 4 If you are configuring a preferred coverage zone for the CE, place the cursor in the Preferred field and enter the address range in the proper format.
The format for the coverage zone address is IP_address/netmask, for example:
192.168.0.0/24
You can also specify a series of specific addresses in this field separated by semicolons. For example:
192.168.200.222; 192.168.200.223; 192.168.200.224
Step 5 Repeat Step 4 for the regular coverage zone by moving your cursor to the Regular field and entering the address range in the proper format.
As with the preferred coverage zone address field, you can also enter a range of addresses in the Regular field.
Step 6 Click Save Changes to assign the preferred and regular coverage zones you specified to the selected device.
To access the playlist time controls and set a schedule of dates on which to play back your media playlist:
Step 1 Follow the instructions in Chapter 3, "Working with the Content Delivery Network," in the Cisco CDN Enterprise Solution User Guide to access the TV controller dialog box and create a media playlist.
Step 2 Once you have created your playlist, click the Time button on the TV controller console. The playlist time list appears and, below it, controls for scheduling playback times.
Step 3 On the time controls, place the cursor in the Month field in the row labeled Start time and enter the number of the month on which the scheduled media playback begins.
Step 4 Press the Tab key to move the cursor forward, and enter the remaining playback information.
All information must be in numeric format, though it is not necessary to use leading zeros. Click the AM or PM button to indicate what time of day you wish the playlist to start. For example, a Start time of 6:20 p.m. on October 5, 2000 would appear as:
Month Day Year Hour Minute AM PM
10 5 2000 6 20 __ X
Step 5 Repeat Step 3 and Step 4 for the row labeled Stop time to set the time at which the playlist will discontinue playback.
Step 6 Click Save Changes to add the Start time and Stop time you specified to the playlist time list. The times will appear on the list at the top of the TV controller dialog box.
Clicking Cancel Changes resets the Start time and Stop time without adding any new playback times to the playlist time list.
Playlist playback times cannot be edited once they are created. To modify a playlist playback time, delete the time setting you wish to change and add a new setting with the correct times specified.
To modify the playlist time list:
Step 1 With the playlist time list displayed, check the check box next to the playback time setting you wish to change. Click ALL to select all playback time settings on the playlist time list, or NONE to deselect any time settings that have already been selected.
Step 2 With your time settings selected, click Remove to remove the time settings from the playlist time list. Click Remove All to delete all time settings from the playlist time list regardless of whether they are selected or not.
Step 3 You are prompted to confirm your decision to remove playback time settings. Click OK to confirm your choice or Cancel to return to the TV controller dialog box without removing any time settings.
Step 4 Refer to Chapter 3, "Working with the Content Delivery Network" of the Cisco CDN Enterprise Solution User Guide to create a time setting on your playlist with the correct Start time and Stop time.
To access the TV controller from the CDM and remove media from a playlist:
Step 1 From the Devices menu, choose TV Controls.
The TV Controls dialog box appears.
Step 2 Choose a CE name. If multiple TV out-enabled CEs are available, make sure to choose the correct CE.
The CDM TV controller appears.
Step 3 Make sure the correct channel is displayed in the Channel Selector field. If it is not, choose the correct channel in the list.
Step 4 Under the heading Playlist, check the check box next to each playlist file that you want to remove from the playlist. Click All to select all of the files or None to clear your selections.
Step 5 Click Remove.
Once you have created a media playlist using the TV controller, you can play that list of media at any time or schedule playback to occur on specific days and predetermined times. Refer to Chapter 3, "Working with the Content Delivery Network," of the Cisco CDN Enterprise Solution User Guide for information on scheduling playback.
To display media from your playlist on a TV-out enabled device:
Step 1 Follow the instructions in Chapter 3, "Working with the Content Delivery Network," of the Cisco CDN Enterprise Solution User Guide to access the TV controller dialog box and create a media playlist.
Step 2 Using the TV controller console, click the Play button. If you wish the TV controller to loop through the playlist without stopping, click the LOOP button on the console.
The TV controllers display changes to indicate that the looping feature is enabled. While the loop feature is enabled, the TV controller plays all media files on the playlist in succession. Click the LOOP button a second time to toggle the looping feature off.
Step 3 To prevent a media file from being played, check the box next to the filename on the Playlist and click Remove. The file is removed from the playlist.
To view information about a video that is playing:
Step 1 Follow the instructions in Chapter 3, "Working with the Content Delivery Network," of the Cisco CDN Enterprise Solution User Guide to launch the TV controller from the CDM user interface and play media subscribed to a channel.
Step 2 With a media file from the playlist playing, click Info on the TV controller. Information on the file that is currently playing appears in the Cisco TV controller window.
All devices on your CDN use time settings based on two factors:
To set the system time for your CDN:
Step 1 From the Devices menu, choose Identification.
The Identification dialog box appears.
Step 2 From the Device Selector list, choose the CDM.
Some general information about the CDM is displayed, including its name and a short text description.
Step 3 Next to the System Time heading, place your cursor in the first Date field and enter the date in MM/DD/YYYY format. Press the Tab key to move between fields when entering the date.
Step 4 Move your cursor to the first Time field and enter the time in HH:MM:SS format. Press the Tab key to move between fields when entering the time.
Step 5 Click Set. You are prompted to confirm your decision to reset your system time.
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Note Setting or changing the system time causes the CDM to reboot immediately. CEs begin using the new system time settings following their next reboot. |
Step 6 Click OK to confirm your decision. Your CDM reboots immediately. Clicking Cancel returns the system time values to their previous settings.
Use any of the following procedures to reconfigure your CDM and your Content Engines (CEs) when the CDM IP address has changed. It is critical that you have some plan for redirecting your CEs to your CDM before changing the CDM IP address, and that you monitor the status of your CEs throughout the transition period to confirm that all CEs are ultimately able to connect to the CDM at its new address.
The three approved methods for reconfiguring your CDN devices following a CDM change of address are:
This reconfiguration option is available to customers using DNS to connect to their CDN devices.
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Note If you are using DNS, reconfiguring your CEs and CDM using the DNS-based solution is preferable to the other methods discussed here, because it is simpler to implement and requires little or no administrative intervention. |
To reconfigure your CEs if you are using DNS:
Step 1 Change the IP address of the CDM to the new IP address. You can change the CDM IP address using either the CDM Device Editor or the CDN Installation Wizard. Refer to Chapter 2, "Configuring Cisco Content Delivery Network Devices," in the Cisco CDN Enterprise Solution User Guide.
Step 2 Access the administrative interface of your DNS server software and change the IP address of the CDMs DNS name to match the new IP address of the CDM.
Step 3 Return to the CDM and click System.
The System dialog box appears.
Step 4 Make sure that the CDM is listed in the Device Selector dropdown list. If it is not, expand the list and choose the CDM from the devices listed.
Step 5 Click System Reboot to reboot your CDM and reconnect it to your network using the new IP address.
Step 6 Wait until your CE devices are pointed to the CDMs new address.
Approximately 45 minutes after your CDM comes back online at its new address, your CEs will begin going offline, once the CDM is no longer available at its prior address. The CEs automatically use the DNS name of the CDM to resolve the address of the CDM to its new IP address.
Step 7 Click Device Console. Monitor your CEs and verify that each CE is able to locate the CDM and come back online.
Step 8 If one or more CEs are not able to resolve the new address, use the Installation Wizard to manually point them to the location of the CDM. See the "Installation Wizard-Based Reconfiguration" section or the Cisco CDN Software Enterprise Solution Configuration Guide for more information.
If you are not using Domain Name System (DNS) on your network, you can provide your CEs with the new address of the CDM using the Alternate IP Address field on the TCP/IP dialog box. This field stores the new address of the CDM before the CDM has actually changed addresses. CEs that are unable to connect to the CDM at its original address look for the alternate IP address, and then try to reach the CDM at that location.
To configure the alternate IP address for your CDM:
Step 1 From the Device Editor, click TCP/IP.
The TCP/IP dialog box appears.
Step 2 Verify that the CDM appears in the Device Selector dropdown list. If the CDM does not appear, expand the list and choose the CDM.
Step 3 Click the Specify an IP address, port, subnet mask, and gateway option.
The current IP address of the CDM appears in the IP Address field.
Step 4 Without changing any of the information presented, place the cursor in the Alternate IP Address field and enter the new IP address for the CDM in valid "dotted quad" format. For example:
192.168.200.0
Step 5 Click Save Changes to save the address.
Step 6 Wait approximately one hour before moving the CDM to the address you entered in the Alternate IP Address field.
Once an hour has passed, you can change the actual CDM IP address using either the CDM Device Editor, or the CDN Installation Wizard, or by reconfiguring your DHCP server. Enter the new IP address of the CDM into the IP Address field in the TCP/IP dialog box. This address should match the address in the Alternate IP Address field.
Refer to Chapter 2, "Configuring Cisco Content Delivery Network Devices," in the Cisco CDN Enterprise Solution User Guide for more instructions on changing the IP address of CDN devices.
Step 7 Click Save Changes.
Step 8 Click System.
The System dialog box appears.
Step 9 Make sure that the CDM is listed in the Device Selector dropdown list. If it is not, expand the list and choose the CDM from the devices listed.
Step 10 Click System Reboot to reboot the CDM and reconnect it to your network using the new IP address.
Step 11 Wait for the CE devices to point to the CDM's new address.
Approximately 45 minutes after your CDM comes back online at its new address, your CEs will begin going offline, once the CDM is no longer available at its prior address. The CEs automatically use the DNS name of the CDM to resolve the address of the CDM to its new IP address.
Step 12 Click Device Console. Monitor your CEs and verify that each CE is able to locate the CDM and come back online.
Step 13 If one or more CEs are not able to resolve the CDM's new address, use the Installation Wizard to manually point them to the location of the CDM. See the "Installation Wizard-Based Reconfiguration" section or the Cisco CDN Software Enterprise Solution Configuration Guide for more information.
The CDN Installation Wizard can be used to reconfigure your CDM or CEs. Use the Installation Wizard if you were unable to successfully move your CDM to a new IP address using the CDM interface, or if one or more CEs failed to locate the CDM at its new address after you followed the instructions in the "DNS-based Reconfiguration" section or the "CDM-based Reconfiguration" section.
To manually reconfigure a CDM or CE using the Installation Wizard:
Step 1 Launch the CDN Installation Wizard. Refer to Chapter 1, "Overview," in the Cisco CDN Software Enterprise Solution Configuration Guide for instructions on activating the Installation Wizard.
The Cisco Content Delivery Network Installation Wizard screen appears.
Step 2 Click Next to advance to the next step in the Installation Wizard.
The Select a Device dialog box lists all CDN devices on the subnet by their device ID or by a user-friendly name previously assigned using the Installation Wizard.
Step 3 Choose the first CE or CDM device you want to configure and click Next to advance to the next step in the Installation Wizard.
Step 4 If you have not already done so, enter a user-friendly name in the field provided.
This name supplements the alphanumeric device ID or MAC address and makes it easier to identify the device when you use the Installation Wizard or CDM user interface.
Step 5 Click Next to advance to the next step in the Installation Wizard.
Step 6 Use the fields provided to point your CE to the CDM's new IP address on your network. You must complete this step in order for your CE to be able to communicate with the rest of the CDN and begin receiving media.
192.168.200.223
Step 7 Click Next to advance to the next step in the Installation Wizard: indicating whether or not you are using a DHCP server.
The Obtain Network Settings Automatically (DHCP) dialog box appears.
Step 8 Perform one of the following actions:
The DNS-Domain Name Server dialog box appears.
Step 9 Perform one of the following actions:
The Proxy Server dialog box appears.
Step 10 Perform one of the following actions:
The Secure Proxy Server dialog box appears.
Step 11 Perform one of the following actions:
The Proxy Exceptions List dialog box appears.
Step 12 Perform one of the following actions:
The Settings dialog box appears.
Step 13 Review the configuration settings for your CDN device.
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Tip If you want to copy the information for use in another application, document, or e-mail, click Copy info to copy the configuration settings to your Windows clipboard. You can then paste the information into another Windows application. |
The Configuring dialog box appears.
Step 14 Perform one of the following actions:
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Note It may take a few moments for the CE to integrate the new configuration settings and come back online. Monitor the status messages provided in the Configuring dialog box and verify that your CE device is able to come online properly. |
The machine status indicator located beneath the Copy info button will turn green and read "online."
Step 15 Once the device status is "online," click More to return to the Select a Device dialog box and configure another of your CDN devices, or click Exit to close the Installation Wizard.
If the device fails to come online, click Back to step backward in the Installation Wizard and review your configuration settings.
After initial device configuration, the CDM user interface can be used to modify the configuration settings on any of your devices. Refer to Chapter 2, "Configuring Cisco Content Delivery Network Devices," in the Cisco CDN Software Enterprise Solution User Guide for detailed instructions on configuring your CDM or CEs using the CDM user interface.
Ordinarily, CDN administrators change the default administrator's (admin) account password in the same manner as any other account password. See Chapter 2, "Configuring Cisco Content Delivery Network Devices," in the Cisco CDN Enterprise Solution User Guide for details on changing passwords for accounts.
However, if you lose track of the password for the admin account and accidentally lock yourself out of the CDM administrative interface, you must manually reset the password for the admin account before regaining access to the CDM and the Users feature.
Resetting the admin account password restores the factory-configured password to the account. After resetting this password and rebooting the CDM, administrators can again log on using the admin account and configure the password for the account, as well as for other user and administrative accounts.
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Note In order to reset the password for the default administrator account, admin, you must have physical access to the CDM device and have sufficient permissions to be able to log on to that device. |
Use the following procedure to reset your default administrator password:
Step 1 Ask any users currently using the CDM to exit the system. In order to reset the default administrator password, you will be required to reboot the CDM twice.
Step 2 Terminate any active Linux sessions by entering exit at the prompt.
Step 3 Reboot the CDM machine by powering the machine off, and then on again.
Step 4 Wait for the following prompt:
LILO Boot:
Step 5 If your CDN devices are using Cisco hardware, enter the following command to log on to the CDM as a single user, and then press Enter:
LILO Boot# linux single
If your CDN devices are installed on hardware that was not manufactured by Cisco Systems, enter the following command to log on to the CDM as a single user, instead of the command listed above. Press Enter to initiate the logon.
LILO Boot# linux single console=tty0
Step 6 Enter the following path for the reset password script, resetpass, as follows at the bash# prompt:
bash# source /sonoma/sys/bin/resetpass
The script executes, resetting the password for the admin account and rebooting the CDM machine. Once the CDM has completed its reboot, you can log on using the default administrator account by entering the username, admin, and the factory-configured password.
The Cisco CDN Installation Wizard for the Cisco CDN Version 2.1 has changed substantially from previous versions. Changes include:
Refer to the Cisco CDN Enterprise Solution Configuration Guide Version for information on using the updated Installation Wizard to activate your CDN devices.
The following section contains important notes about the Cisco CDN Software Enterprise Solution Version 2.1 that are not covered in the standard product documentation.
When CDN devices connect to routers or switches which have not been configured to automatically negotiate data transfer modes have been configured to force the use of one data transfer mode (usually 100 Mbps full duplex), some customers have experienced slow performance and "choppy" playback of media from their CEs.
Decreased playback performance results because the CDN device Ethernet card switches from 100 Mbps full-duplex mode to 100 Mbps half-duplex mode, in which data transmission and reception cannot take place simultaneously.
Most Ethernet cards that negotiate duplex settings and port speeds are programmed to avoid conflicts when transmitting data by switching to half-duplex mode automatically when they detect that they are connected to a device (for example, a hub) that does not negotiate duplex mode and port speed. Ports that are configured to force the use of one duplex setting and port speed prompt this response.
We recommend making one of the two following changes to alleviate the problem of choppy media playback and slow performance resulting from this conflict:
The decision about which device to reconfigure should be made in consultation with your network administrators and in keeping with your own corporate IT policies and procedures.
To change the configuration of the router or switch that your CDN devices connect to so that it negotiates duplex settings and speeds, refer to the installation, configuration, or command interface documentation that came with the hardware.
If you are unsure of the correct procedure for reconfiguring your hardware, contact the manufacturer's technical support center before proceeding. For questions regarding your CDN software or Cisco hardware, contact Cisco's Technical Assistance Center (TAC). Refer to the "Obtaining Technical Assistance" section for more information on contacting the TAC.
To change the configuration of the CDN device Ethernet card so that it uses full duplex mode as a default instead of half duplex mode when autonegotiation fails, use the administrative Set Ethernet Fallback feature. This feature forces your CDM or CEs Ethernet card to use full duplex mode by default, as opposed to half duplex mode.
To change the Ethernet card to Full Duplex mode:
Step 1 Launch your Web browser.
Step 2 In the field provided for the Web page URL, enter the following information, substituting the IP address of the CDM or CE where appropriate:
http:// <CDN_DEVICE_IP_ADDRESS>/cgi-bin/restricted/set-mii-fdv=dibeng.dllco
You are prompted to log on to the device.
Step 3 Enter the administrative username and password and click OK. For example:
User Name: admin
Password: default
The Set Ethernet Fallback dialog box appears.
Step 4 Click the drop-down list and choose Full Duplex from the list.
Step 5 Click Submit Change.
A message appears confirming the default mode that will be used by the Ethernet card when autonegotiation fails.
Step 6 Reboot the device. Refer to Chapter 4, "Maintaining the System Software," in the Cisco CDN Enterprise Solution User Guide for instructions on rebooting CDN devices.
If autonegotiation with the router fails, the device will use the duplex mode you specified.
For questions regarding your CDN software or Cisco hardware, contact the TAC. Refer to the "Obtaining Technical Assistance" section for more information on contacting the TAC.
The following sections list resolved and open caveats for the CDN Software Enterprise Solution Version 2.1.
The following caveats are open (unresolved) at the time of shipment.
The following caveats, reported in earlier CDN Software Enterprise Solution releases, have been resolved for the Version 2.1 release.
The following sections detail changes or additions to the Cisco CDN Software Enterprise Solution documentation as well as omissions to the published CDN Software Enterprise Solution Version 2.1 documents.
Changes to the Cisco CDN Enterprise Solution documentation are listed below. Changes common to all documents are listed first. Following that, changes are grouped by document.
The references to Cisco Content Distribution Network have been changed to Cisco Content Delivery Network or CDN.
The features and product changes described in this section are documented in the Cisco CDN Software Enterprise Solution User Guide Version 2.1, which is available online at Cisco.com or on the most recent Documentation CD-ROM from Cisco Systems. Refer to the "Obtaining Documentation" section for instructions on obtaining the latest documentation from Cisco.
The following are omissions or inaccuracies in the Cisco CDN Software Enterprise Solution Configuration Guide Version 2.1:
Preface—"Obtaining Technical Assistance" section contains references to Cisco Connection Online (CCO). These references should read "Cisco.com."
Preface—The "Related Documentation" section contains a reference to the Regulatory Compliance and Safety for the Cisco Content Engine Series document. This document has been discontinued. Refer to the Regulatory Compliance and Safety for the Cisco Content Networking Product Series document.
The Cisco CDN Software Enterprise Solution User Guide Version 2.1 has been released in electronic format only.
There are no known inaccuracies in the user guide at the time of release. Please see the "Obtaining Documentation" section for information on obtaining a copy of the Version 2.1 user guide from Cisco's website, Cisco.com, or from the Documentation CD-ROM.
The Cisco Content Delivery Network software comes with both printed documentation and online help to assist you in learning to use the features of the CDN. Refer to the following documents when you have questions regarding the CDN software.
In addition, you can find information related to the installation, configuration, and maintenance of your CDN hardware in the following Cisco Systems documents:
The following sections provide sources for obtaining documentation from Cisco Systems.
You can access the most current Cisco documentation on the World Wide Web at the following sites:
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.
Cisco documentation is available in the following ways:
If you are reading Cisco product documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.
You can e-mail your comments to bug-doc@cisco.com.
To submit your comments by mail, for your convenience many documents contain a response card behind the front cover. Otherwise, you can mail your comments to the following address:
Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate your comments.
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website.
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.
Cisco.com provides a broad range of features and services to help customers and partners streamline business processes and improve productivity. Through Cisco.com, you can find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online technical support, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.
Customers and partners can self-register on Cisco.com to obtain additional personalized information and services. Registered users can order products, check on the status of an order, access technical support, and view benefits specific to their relationships with Cisco.
To access Cisco.com, go to the following website:
The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website:
P3 and P4 level problems are defined as follows:
In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.
To register for Cisco.com, go to the following website:
http://www.cisco.com/register/
If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website:
http://www.cisco.com/tac/caseopen
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
P1 and P2 level problems are defined as follows:
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
The RealServer(TM) is included under license from RealNetworks, Inc. Copyright 1995-2000, RealNetworks, Inc. All rights reserved.
Access Registrar, AccessPath, Are You Ready, ATM Director, Browse with Me, CCDA, CCDE, CCDP, CCIE, CCNA, CCNP, CCSI, CD-PAC, CiscoLink, the Cisco NetWorks logo, Cisco Powered Network logo, Cisco Systems Networking Academy, Fast Step, FireRunner, Follow Me Browsing, FormShare, GigaStack, IGX, Intelligence in the Optical Core, Internet Quotient, IP/VC, iQ Breakthrough, iQ Expertise, iQ FastTrack, iQ Logo, iQ Readiness Scorecard, Kernel Proxy, MGX, Natural Network Viewer, Network Registrar, the Networkers logo, Packet, PIX, Point and Click Internetworking, Policy Builder, RateMUX, ReyMaster, ReyView, ScriptShare, Secure Script, Shop with Me, SlideCast, SMARTnet, SVX, TrafficDirector, TransPath, VlanDirector, Voice LAN, Wavelength Router, WebViewer, Workgroup Director, and Workgroup Stack are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, Empowering the Internet Generation, are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, Cisco, the Cisco Certified Internetwork Expert Logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Collision Free, Enterprise/Solver, EtherChannel, EtherSwitch, FastHub, FastLink, FastPAD, IOS, IP/TV, IPX, LightStream, LightSwitch, MICA, NetRanger, Post-Routing, Pre-Routing, Registrar, StrataView Plus, Stratm, SwitchProbe, TeleRouter, and VCO are registered trademarks of Cisco Systems, Inc. or its affiliates in the U.S. and certain other countries.
All other brands, names, or trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0010R)
Copyright © 2000, Cisco Systems, Inc.
All rights reserved.
Copyright © 2000, Cisco Systems, Inc.
All rights reserved.
Posted: Tue Oct 1 02:38:04 PDT 2002
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