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Graceful Upgrade and Downgrade Procedures
Step 6
For all SMs, set the start and end addresses in Flash memory where the boot code file will be written.
a.
b.
c.
d.
Step 7
For all SMs, set the start and end addresses in Flash memory where the firmware file will be written.
a.
b.
c.
d.
e.
For all stand-alone SMs
Step 8
a.
b.
Step 9
For all primary SMs in all redundancy groups:
a.
b.
For all SMs, enter the dsptotals command.
Step 10
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 21—Graceful Upgrade, 2-Core Card Set
Procedure 21 is used for 1.3.x to 4.y.
Step 1
Save the current ASC configuration. Perform this step for the ASC prior to upgrading the firmware.
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
Cisco MGX 8220 Installation and Configuration
C-34
Enter the flashStartAddr and flashEndAddr commands to start the Flash memory file at
0xbfc00000 and end it at 0xbfc40000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc00000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfc40000
Enter the tftp put <SM_BT_file> AXIS_SM_1_$slot.FW command.
Enter the chkflash command. This command calculates and compares the Flash checksum to verify
whether the boot code is correct.
Enter the version command. This command displays the version of the boot code currently stored
in Flash memory. This step downloads new firmware into the ASC.
Enter the flashStartAddr and flashEndAddr commands to start the Flash memory file at
0xbfc40000 and end it at 0xbfd00000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc40000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfd00000
Enter the tftp put <SM_FW_file> AXIS_SM_1_$slot.FW command.
Enter the chkflash command. This command calculates and compares the Flash checksum to verify
whether the boot code is correct.
Enter the resetcd <standby_ASC> command. This command resets the standby card.
Enter the resetcd <active_ASC> command. This command resets the active card.
Enter the resetcd <stand-alone>command. This command resets the stand-alone card.
Enter the dspadrxlat command to ensure that the number of connection is correct.
Enter the resetcd <primary_SM>.
Enter the resetcd <secondary_SM>.
Appendix C
Firmware Upgrade and Downgrade Procedures
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
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