C-9
Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix C Firmware Upgrade and Downgrade Procedu r es Standard Upgrade and Downgrade Procedures
d. Enter the version command. This command displays the version of the boot code currently stored
in Flash memory. This ste p dow nloads new firmware int o th e ASC.
e. Enter the switchcc command to switch to t he ot her ASC.
f. Enter the tftp put <ASC_BT_fi le> AXIS_A SC_B ACKUP.FW command. This step downloads the
new boot code into the second ASC.
g. Enter the chkflash command. This command ca lculates and compares the Flash ch ecksum to verify
whether the boot code is correct.
h. Enter the version command. This command displays the version of the boot code currently stored
in Flash memory. This ste p dow nloads new firmware int o th e ASC.
i. Enter the tftp put <ASC_FW_file> AXIS_ASC_ACTIVE.FW command.
j. Check the file size of the download ed firmw ar e. Use this step to check that the firm w ar e w as
downloaded successfully to the ASC disk.
k. Enter the dspfwrevs command to verify the correct firmware revision.
l. Enter the tftp put <ASC_FW_file> AXIS_ASC_STANDBY.FW command.
m. Check the file size of the download ed firmw ar e. Use this step to check that the firm w ar e w as
downloaded successfully to the ASC disk.
n. Enter the dspfwrevs command to verify the correct firmware revision.
Step 4 For all SMs, set the start and en d ad d re s ses i n Flas h m emory where the boot code file w i ll be w ri tt en .
a. Enter the flashStartAddr and flashEndAddr commands to start the Flash memory file at
Oxbfc00000 and end it at 0xbfc40000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc00000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfc40000
b. Enter the tftp put <SM_BT_file> AXIS_SM_1_$slot.FW command.
c. Enter the chkflash command. This command ca lculates and compares the Flash ch ecksum to verify
whether the boot code is correct.
d. Enter the version command. This command displays the version of the boot code currently stored
in Flash memory. This ste p dow nloads new firmware int o th e ASC.
Step 5 For all SMs, set the start and en d ad dresses in Flash memory wher e the firmware file will be written.
a. Enter the flashStartAddr and flashEndAddr commands to start the Flash memory file at
Oxbfc40000 and end it at 0xbfd00000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc40000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfd00000
b. Enter the tftp put <SM_FW_file> AXIS_SM_1_$slot.FW command.
c. Enter the chkflash command. This command ca lculates and compares the Flash ch ecksum to verify
whether the boot code is correct.
d. Enter the resetsys or clrallcnf command. Th ese commands reset all cards on the sh elf .
e. Set the BRAM revision.
f. Enter the dspadrxlat command to ensure that the number of connections is correct.
Step 6 Enter the dsptotals command for all primary and stand-alone SMs.