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New Member

6500 SUP 720 bootvar

Hello, I have a sup-720 on a 6509 where:

#show bootvar

BOOT variable = sup-bootflash:s72033-psv-mz.122-17d.SXB.bin,1

CONFIG_FILE variable =

BOOTLDR variable =

Configuration register is 0x2102

Standby is not present.

What ,1 does mean on "BOOT variable =" ?

I would like to set to boot from the first image on the sup-bootflash: memory is enought to do "(config)#no boot system" ?

6 REPLIES

Re: 6500 SUP 720 bootvar

The boot variable is used to specifiy the IOS file used from flash. If you want to change it to a specific IOS ver:-

boot system flash sup-bootdisk:/<>

New Member

Re: 6500 SUP 720 bootvar

thank's but the post was done to avoid to set the variable and be able to boot from the first IOS avaiable on sup-bootflash

..

What ,1 does mean on "BOOT variable =" ?

I would like to set to boot from the first image on the sup-bootflash: memory is enought to do "(config)#no boot system" ?

Re: 6500 SUP 720 bootvar

Then remove the boot variable - and it will boot from the first image found in flash.

Purple

Re: 6500 SUP 720 bootvar

If you have more than one boot variable it chose the first one in the configuration and if for some reason it is missing or unbootable it will move to the 2nd boot variable. Just put them in the order you want them to boot.

New Member

Re: 6500 SUP 720 bootvar

ok, but if you have none on Boot variale it means that is going to load from the first image on the flash, which flash: sup-bootflash, disk0:, disk1: or RP bootflash ?

Re: 6500 SUP 720 bootvar

In all places until it finds an image or not.

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