I need to upgrade a 4507R in response to a VoIP Network Readiness Assessment we had done. I am including in this two files that show the result of a show module and another that show the result of a show version.
The assessment said that I should upgrade this switch to cat400-i9k91s-mz.122-25.EWA10.bin. I have downloaded that file from the Cisco web site. I need to get this right the first time because this switch is our main office core switch and I will be doing it in the middle of the night this weekend and I would love to not have problems if at all possible. Here are the steps I am planning on doing. You guys have much more experience than I do so please share with me any assistance you can give.
1) copy the new bin file to my tftp directory.
2) bring up my tftp server on my pc.
3) telnet into the switch.
4) copy tftp: bootflash: the aforementioned file.
5) copy tftp: slavebootflash: the aforementioned file.
7) config-register 0x2
8) boot system flash bootflash:(filename above)
9)Wait on it to reboot
10)telnet back into the switch
14) auto-sync standard
17)redundancy reload peer
At this point I have questions. Should I run a redundancy force-switchover command to test? If so I can force it back with another command, right? My next questions is regarding the old bin file. Do I need to do a delete bootflash:filename on that file?
Pardon the ignorance on this matter. This is my first IOS switch upgrade and I merely want to do it right. I have no one else to bounce this off so that is why I am asking the NetPro community for help.
actually starting from a system with supervisor redundancy you don't need to reload the switch
The software upgrade procedure supported by supervisor engine redundancy allows you to upgrade the Cisco IOS software image on the supervisor engines without reloading the system.
see the suggested procedure
Performing a Software Upgrade
one point of attention:
do sh run | inc boot
if there is already a boot system command you need to remove it or the new boot system command will be written after that line and the old code will be loaded.
so I would do
no boot system flash old
boot system flash new
boot system flash old
If the new boot system command appears first you can also leave the old IOS in flash to be ready if there is any problem with the new image
Hope to help