[c-nsp] Catalyst 4500-E ROMMON Upgrade Caveat

[Tóth András]

Did you set the config-register to 0x0102 as well? It has been
mentioned in the guide that it's mandatory in order for the system to
autoboot with the IOS after the ROMMON upgrade.

Best regards,
Andras


On Mon, Jan 17, 2011 at 2:18 PM, Sebastian Wiesinger
<cisco-nsp at ml.karotte.org> wrote:
> Just a quick warning for people trying to upgrade a Cat4500-E with
> SUP6-E to 12.2(54)SG.
>
> The release notes for Cat4500
> http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/release/note/OL_5184.html
> state that you need a new ROMMON (12.2(44r)SG5) when installing the
> new IOS on a SUP6-E.
>
> There is a section "Upgrading the Supervisor Engine ROMMON Remotely
> Using Telnet":
> http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/release/note/OL_5184.html#wp466212
>
> This section says that you should do a:
>
> boot system flash bootflash:cat4500-e-ios-promupgrade-122_44r_SG5
> boot system flash bootflash:cat4500e-ipbasek9-mz.122-54.SG.bin
> (remove all other boot entries)
>
> After that the system should upgrade the rommon and then boot the IOS.
> Quote:
>
>    Use the boot system flash bootflash:file_name command to set the BOOT
>    variable. You will use two BOOT commands: one to upgrade the ROMMON and a
>    second to load the Cisco IOS software image after the ROMMON upgrade is
>    complete. Notice the order of the BOOT variables in the example below. At
>    bootup the first BOOT variable command upgrades the ROMMON. When the upgrade is
>    complete the supervisor engine will autoboot, and the second BOOT variable
>    command will load the Cisco IOS software image specified by the second BOOT
>    command.
>
>
> This is NOT the case!
>
> The system is endlessy upgrading the ROMMON, looping until stopped
> with CTRL-C via console. You can then manually boot the new IOS.
>
> So DO NOT upgrade the system unless you have console access!
>
> Kind Regards
>
> Sebastian
>
> --
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> Old GPG Key-ID: 0x76B79F20 (0x1B6034F476B79F20)
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