Cisco Systems MGX 8220 Procedure 17Graceful Upgrade, 1-Core Card Set (SM only)

C-28
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
Graceful Upgrade and Downgrade Procedu res
e. Enter the resetcd <active_ASC>comman d. Th is co m man d r eset s th e act ive card .
Step 8 For all SMs
a. Enter the resetcd command. This command resets the card.
b. Enter the dspadrxlat command to ensure that the number of connections is correct.
Step 9 For all SMs, enter the dsptotals command.
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 is h ed th at th e
configuration has remained the same. Restore the ASC and SM configurations if necessary.
Procedure 17—Graceful Upgrade, 1-Core Card Set (SM only)
Procedure 17 is use d f o r 1. 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.
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_SM_1_<slot>.PRI.<service password>
Step 3 For all primary and stand-alone SMs, enter the dsptotals command.
The configuration of the shelf shou ld not be cha nged duri ng the upgr ade or downgr ade proc ess. Use this
step to examine the number of sh elf c on n ect io ns. A similar step can be made to ex am i ne th e s ame
configuration parameters after t he u pg rad e o r dow n grad e and, therefore, it can be establis h ed t ha t t he
configuration has remained the same.
Step 4 For all SMs, set the start and en d ad dresses in Flash memory wher e th e fir mw ar e fi le w ill b e wr it ten.
a. Enter the flashStartAddr and flashEndAddr commands to start the Flash memo r y 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.