I've attempted this before and failed, this was with a 7606 running SRE5.
The bootvar is the spare sup720 I was adding was set to boot from the
bootflash, and not the CF disk.
When I inserted the card it loaded the bootflash IOS (which was from a
totally different train).
After this the box promptly crashed, I imagine its because the slave-sup
was attempting to SSO.
Since then I keep a console on the new slave as I insert it and if I see
it loading the incorrect ISO I break into ROMMON.
Just my experience, wanted to share.
On 4/4/2012 5:58 PM, Brian Wallingford wrote:
I wouldn't go that far unless you've got a use for an additional chassis.
Simply put the compact flash from the new 3bxl into the primary's 2nd
slot, copy the image& return it to the new card if you're nervous.
Either way, insterting a new sup should not interfere with the primary.
On Wed, 4 Apr 2012, Lee Starnes wrote:
I had figured as much, but wanted to make sure. I have backups of
everything, so if something does go wrong, it can get corrected. We may
just pick up a spare chassis to do this upgrade. Seems that they are not
too costly.
Thanks for the input.
-Lee
2012/4/4 Piotr Wojciechowski<[email protected]>
On 4/4/12 22:14 , Lee Starnes wrote:
Hi,
I have a question about the 6509 and the SUP720-3BXL standby sup. If a
chassis only has 1 SUP installed and you install a second one, will that
disrupt the currently installed and working SUP? I ask this because we
have
our standby SUPs and I would like to install them, but I know they don't
have the same version of IOS running. I don't want to blow away the
config
or cause the chassis to go down when installing these. Does anyone have
any
experience with this?
Hi,
Normally when you insert second sup as a standby (same type, hardware
configuration including PFC and memory) it should synchronize itself to
active one including IOS and configuration (except configuration
registers) and reload as standby. But I normally recommend my customers
to manually load proper IOS to supervisor on spare chassis and insert
prepared one into production chassis.
Regards,
--
Piotr Wojciechowski (CCIE #25543) | "The trouble with being a god is
http://ccieplayground.wordpress.com | that you've got no one to pray to"
JID: [email protected] | -- (Terry Pratchett, Small Gods)
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Brian Wallingford
Director, Network Operations
MegaNet Communications
P: 508-646-0030 F: 508-646-0010
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