Steve,
Here is the link to the release notes for IOS 12.1(2)E that details how to
convert a 6509 from hybrid mode to native mode (may require CCO login):
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/ios121e/78_11047
.htm#xtocid2003532
This is a 26 step process, and some of the steps have to be done while the
switch is in rommon mode. So, I don't see how you could perform this
upgrade without downtime.
Additionally, these items from the release notes may be of particular
interest to you:
Note: The system configuration is lost during the conversion to IOS.
Reconfigure the switch after the conversion. We strongly recommend that you
back up your supervisor engine Catalyst OS and your MSFC IOS configurations
(for example to a TFTP server) before you begin the conversion. The MSFC IOS
configuration can be used as a basis for configuring the newly converted
system.
Caution: Please note that you must follow this sequence exactly to
successfully convert your system. Failure to follow these instructions
exactly may result in an unusable system. See the "Feature Sets in Release
12.1(2)E" section for information about supported software images. Do not
attempt these procedures with other software images.
So, this doesn't look like a trivial task.
We looked at the same option last week, but after what we learned from TAC
and reading the release notes, we decided that HSRP would suit us just fine.
Good Luck,
Jim
In theory, there is no difference between theory and practice, but in
practice there is.
-
""Donohue, Steve"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> In my current environment we have just installed a 6509 with dual
supervisor
> modules. It is currently running a "hybrid" IOS (12.0(7)XE) which allows
> the switch engine and the route processor to be configured, as separate
> entities. With this IOS the configuration of the two modules does not
sync.
> The customer want the configs to sync as opposed to running HSRP on the
two
> route processors. In order to do this I must migrate to a "native" IOS
> (12.0(7)XE1 for example) which makes the switch engine and the route
> processor configuration occur at a single prompt.. This IOS migration
will
> result in the current configuration of the Catalyst being wiped out.
Since
> this switch is live on the network I am trying to minimize downtime.
>
> My questions to the group are;
>
> Has anyone done such an IOS migration?
>
> Is it be possible to re-boot the "secondary" module, load the new IOS via
> the xmodem rommon command, configure that module, fail over to the newly
> configured module, then perform the same function on the "master" module,
> the whole time maintaining network functionality until the fail overs?
>
> Any and all suggestion that would minimize down time would be appreciated.
> I currently do not have a second catalyst to perform the upgrade outside
the
> "live box."
>
> Thanks in advance for any and all ideas.
>
> Steve D.
>
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