Cisco Cisco Digital Service Access Node (DSAN) 8210 Troubleshooting Guide
Chapter 6 Software Upgrade
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Resolving Software Download Issues
This section describes issues commonly encountered during software download,
along with their associated causes and possible remedies.
along with their associated causes and possible remedies.
Download Does Not Start
Several conditions may cause a download to be rejected by the eCM before the
image transfer begins.
image transfer begins.
Invalid eCM configuration file
File not available on TFTP server
TFTP server error or invalid TFTP server IP address
Unsigned or incorrectly signed software image
When this occurs, the eCM will log error messages that can be viewed on CLI diag
page 4.2, as shown in the following example.
page 4.2, as shown in the following example.
Additionally, the failure will be logged to /mnt/app0/dsanlog.
To correct these conditions, perform the following steps.
1 Verify that the CVC in the eCM configuration file is for either the CableLabs
1 Verify that the CVC in the eCM configuration file is for either the CableLabs
Manufacturer CVC (for normal signed images) or the cosigner CVC (for cosigned
images).
images).
2 Verify that the TFTP server address used in the eCM configuration file (for
automatic upgrades) or in the SNMP message used to set the docsDevSwServer
object (for manual upgrades) is correct.
Note: If the IP address is 0.0.0.0 or is completely missing, the upgrade will be
performed using a file location from the same address as the DHCP offer.
object (for manual upgrades) is correct.
Note: If the IP address is 0.0.0.0 or is completely missing, the upgrade will be
performed using a file location from the same address as the DHCP offer.