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March 26, 2001
These release notes for the Cisco DVB CAR100 Cable Access Router support the software release 1.2, and are updated as needed to describe new features, memory requirements, hardware support and configuration software, and related documents.
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Note You can find the most current Cisco documentation on Cisco.com. This set of electronic documents may contain updates and modifications made after the hard-copy documents were printed. |
These release notes discuss the following topics:
The Cisco DVB CAR100 is a cable modem based on the Digital Video Broadcasting (DVB) standard. It enables two-way data communication at bit rates up to 10 Mbps between a hybrid fiber-coaxial (HFC) network and an Ethernet network. The Cisco DVB CAR100 is primarily intended for enabling broadband Internet access.
The hardware components supported in this release include:
The following new software features are supported by the Cisco DVB CAR100 Release 1.2:
You can download the files for the Cisco DVB CAR100 Release 1.2 from Cisco.com under http://www.cisco.com/kobayashi/sw-center/sw-access.shtml.
The following images are available for downloading using the file transfer protocol TFTP:
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Note Some Cisco DVB CAR100 cable modems that operate with software older than version 0.6i do not accept the car100.bin file. Use the image car100fpga300.bin instead. |
If software version 1.2 is not already installed on the Cisco DVB CAR100, perform a software update.
The management PC must be connected to the backbone of your HFC network where the units to be upgraded are installed.
Step 2 Copy the new software file to the root directory or a subfolder of the TFTP server program.
Step 3 Start the Cisco Cable DVB/DAVIC Management Program or MIB browser.
Step 4 Double-click the Cisco DVB CAR100 you want to upgrade (or use the Edit command in the Network Devices menu and enter the relevant device's IP address). Check that the Community password matches the password defined for the Software Upgrade Community (rcmSwUpgradeCommunity) password in the System (rcmSoftware) section of your MIB browser. The factory default is default.
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Caution If you change the software upgrade password from the factory default (that is, default) and then lose or forget the new password, there is no backdoor solution. You will have effectively rendered the Cisco DVB CAR100 unconfigurable. |
Step 5 Enter the Software section (rcmSoftware).
Step 6 Click Server (rcmSwServer).
Step 7 Enter the IP address of the TFTP server to be used for the upgrade and click Set.
Step 8 Click Filename (rcmSwFilename).
Step 9 Enter the TFTP filename (*.bin), for example, car100.bin, and if necessary a path, and click Set.
Step 10 Set Admin status (rcmSwAdminStatus) to upgradeNow and click Set.
This causes the Cisco DVB CAR100 to load the new software file—the status line of the TFTP servers will show a confirmation message.
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Tips To verify if the software upgrade has been successful, check that the value for Upgrade version (rcmSwUpgradeVer) in rcm Software matches the version you have just uploaded. |
Step 11 Restore the Community password back to the current read or write community password for the unit.
Step 12 Now reset the cable modem by opening the section rcm System and clicking Reset now. In the Properties box that appears, select reset (2) from the pull-down menu and click Set.
The Cisco DVB CAR100 is manufactured with two identical software images: Image 1 and Image 2. Image 1 is the fallback image. Image 2 is the primary image selected for execution by the
Cisco DVB CAR100, and is directly upgradable from a TFTP server. If Image 2 becomes corrupted, Image 1 is selected for execution at the next reboot by the Cisco DVB CAR100.
If Image 2 has been successfully upgraded, Image 1 will be out of date, and it is therefore recommended that this image also be upgraded regularly. Upgrading Image 1 can be performed only from a successfully running Image 2. This is done by copying Image 2 over Image 1. If the operation fails for some reason, the operation is retried at the next reboot until successful. This should ensure that there is always at least one valid image available to successfully reboot the Cisco DVB CAR100.
To upgrade the fallback image:
Step 2 Choose copy Upgrade To Fall Back and click Set.
Step 3 Reset the Community password back to the current read or write community password for the DVB/DAVIC Management Program or MIB browser.
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Tips A power failure during a software upgrade can damage the new software image, Image 2. The Cisco DVB CAR100 automatically reverts to Image 1 if Image 2 is damaged. Simply start the download procedure again. |
There are no known limitations in this release.
Caveats describe unexpected behavior in the Cisco DVB CAR100 software release. Severity 1 caveats are the most serious caveats; severity 2 caveats are less serious. Severity 3 caveats are moderate caveats.
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Note If you have an account with Cisco.com, you can use Bug Navigator II to find caveats of any severity for any release. To reach Bug Navigator II, go to CCO and click Login. Then go to Software Center: Cisco IOS Software: Cisco Bugtool Navigator II. Another option is to go to http://www.cisco.com/support/bugtools. |
The following manuals have been updated to cover this software release:
These documents are available for the Cisco DVB CAR100 on Cisco.com:
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Posted: Mon Mar 26 02:38:19 PST 2001
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