C-6
Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix C Firmware Upgrade and Downgrade Procedures
Standard Upgrade and Downgrade Proced ures
Step 6 Enter the version command. This command displays the version of the boot code currently stored in
Flash memory. This step downloa ds n ew fir mwa re 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 download ed firmw ar e. U s e t hi s ste p to check that the firmware was
downloaded successfully to the ASC disk.
Step 9 Enter the dspfwrevs command to verify the correct firmware revision.
Step 10 For all SMs enter the flashStartAddr and flashEndAddr commands to s tart t he 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
Step 11 Enter the tftp put <SM_BT_file> AXIS_SM_1_$slot.FW command.
Step 12 Enter the chkflash command. This com man d ca lculates and compares the Flash c he ck s um to ver i fy
whether the boot code is correct.
Step 13 Enter the version command. This command displays the version of the boot code currently stored in
Flash memory. This step downloa ds n ew fir mwa re into the ASC.
Step 14 For all SMs enter the flashStartAddr and flashEndAddr commands to s tart t he Flash memory file at
0xbfc40000 and end it at 0xbfd00000
shelf.1.<slot>.<type><a|s>flashStartAddr = 0xbfc40000
shelf.1.<slot>.<type>.<a|s>flashEndAddr = 0xbfd00000
Step 15 Enter the tftp put <SM_FW_file> AXIS_SM_1_$slot.FW command.
Step 16 Enter the chkflash command. This com man d ca lculates and compares the Flash c he ck s um to ver i fy
whether the boot code is correct.
Step 17 Enter the resetsys or clrallcnf com man d. Th ese commands reset all cards on the sh elf .
Step 18 Set the BRAM revision.
Step 19 Enter the dspadrxlat command to ensure that the number of connections is correct.
Step 20 For all primary and stand-alone SMs, enter the dsptotals commands.
Use this step to examine the number of lines, p or t s, an d ch an n els af t er the upgr ad e o r downgr ad e. Th e
values can be compared to those b ef or e t h e d ownlo ad a nd, therefore, it can be establ ish e d th at th e
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.
Step 1 Save the current ASC configuration. Perform this step for the ASC prior to upgrading the firmware.
First reset the card, then u se T FTP get to save the card’s current configuration in the workstation.
tftp shelf
tftp> bin
tftp> get AXIS_ASC_ACTIVE.BR
Step 2 Save the current service module (SM) co nfiguration for each primary and stand- alone SM. Perform this
step for the SM prior to upgrading the firmware.