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Standard Upgrade and Downgrade Procedures
Step 6
Enter the version command. This command displays the version of the boot code currently stored in
Flash memory. This step downloads new firmware into the ASC.
Step 7
Enter the tftp put <ASC_FW_file> AXIS_ASC_ACTIVE.FW command.
Step 8
Check the file size of the downloaded firmware. Use this step to check that the firmware was
downloaded successfully to the ASC disk.
Enter the dspfwrevs command to verify the correct firmware revision.
Step 9
For all SMs enter the flashStartAddr and flashEndAddr commands to start the Flash memory file at
Step 10
Oxbfc00000 and end it at 0xbfc40000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc00000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfc40000
Step 11
Enter the tftp put <SM_BT_file> AXIS_SM_1_$slot.FW command.
Enter the chkflash command. This command calculates and compares the Flash checksum to verify
Step 12
whether the boot code is correct.
Enter the version command. This command displays the version of the boot code currently stored in
Step 13
Flash memory. This step downloads new firmware into the ASC.
For all SMs enter the flashStartAddr and flashEndAddr commands to start the Flash memory file at
Step 14
0xbfc40000 and end it at 0xbfd00000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc40000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfd00000
Step 15
Enter the tftp put <SM_FW_file> AXIS_SM_1_$slot.FW command.
Step 16
Enter the chkflash command. This command calculates and compares the Flash checksum to verify
whether the boot code is correct.
Enter the resetsys or clrallcnf command. These commands reset all cards on the shelf.
Step 17
Set the BRAM revision.
Step 18
Enter the dspadrxlat command to ensure that the number of connections is correct.
Step 19
Step 20
For all primary and stand-alone SMs, enter the dsptotals commands.
Use this step to examine the number of lines, ports, and channels after the upgrade or downgrade. The
values can be compared to those before the download and, therefore, it can be established that the
configuration has remained the same. Restore the ASC and SM configurations if necessary.
Procedure 3—Standard Upgrade, 2-Core Card Set
Procedure 3 is used for 1.2.x to 2.y, 2.2.x to 3.x, and 3.3.x to 3.y.
Save the current ASC configuration. Perform this step for the ASC prior to upgrading the firmware.
Step 1
First reset the card, then use TFTP get to save the card's current configuration in the workstation.
tftp shelf
tftp> bin
tftp> get AXIS_ASC_ACTIVE.BR
Save the current service module (SM) configuration for each primary and stand-alone SM. Perform this
Step 2
step for the SM prior to upgrading the firmware.
Cisco MGX 8220 Installation and Configuration
C-6
Appendix C
Firmware Upgrade and Downgrade Procedures
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
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Troubleshooting
