Ok, I have downgraded the XR, thanks Mikael /all.
Steps followed 1- Copy vm file to disk1 then @ Stanby RP >>>> unset BOOT confreg 0x102 sync reset @ primary RP >>> unset BOOT TURBOBOOT=on,disk0,format sync boot disk1:comp-hfr-mini.vm-3.6.2 Regards, Vikas On Fri, Feb 25, 2011 at 8:10 PM, Vikas Sharma <[email protected]>wrote: > Hi Mikael, > > There is a process to downgrade, but it is not working for me > > > http://www.cisco.com/web/Cisco_IOS_XR_Software/pdf/CRS-1_Upgrade_Procedure_3_6_x_4_0_0_to_401-3.pdf > > I have 3.6.2 in production network and I want to move to 4.0.1 due to some > really "GOOD" feature availability. I also think the last option is > turboboot, if I do not find any other way to downgrade. > > Regards, > Vikas > > On Fri, Feb 25, 2011 at 5:35 PM, Mikael Abrahamsson <[email protected]>wrote: > >> On Fri, 25 Feb 2011, Vikas Sharma wrote: >> >> Hi, >>> >>> I have upgraded CRS1 to 4.0.1 from 3.6.2. Upgrade worked fine and it is >>> running 4.0.1. But the issue is I am not able to downgrade it back to >>> 3.6.2 >>> >> >> I believe the release notes say that when you've finished upgrading to >> 4.0.x and removed the upgrade package, you cannot downgrade again. >> >> If you want to go back to 3.6.2 you have to Turboboot that image including >> recommended reformat of the flash drives to FAT16. >> >> Perhaps when you do this, you might as well go to 3.8.x instead of the now >> (afaik) unsupported 3.6.2? >> >> -- >> Mikael Abrahamsson email: [email protected] >> > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
