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Script to push out IOS

In pushing IOS upgrades out via a snippet, are each of the devices upgraded sequentially or all at the same time? Anyone have an example script they want to share?

Ed Gobeille

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jonchill

Ed

I've just finished upgrading our 2950's using a script in Cirrus, see below it's porbably not as efficient as it could be but it worked for us. It does a single switch at a time. Once I had upgrade the firmware to a batch of switches I scheduled a reboot of those switches for early morning and that worked great for us. My only complaint is with Solarwinds TFTP programme as I had to make sure it was running before I ran the script it would be great if they could update it to allow it to be run as a service. I've also got a script for 2960\2970\3750 as the command is slightly different if you want that let me know and I'll post it.

delete flash:*.bin ${CRLF}
${CRLF}
${CRLF}
delete /force /recursive flash:html/* ${CRLF}
${CRLF}
${CRLF}
archive tar /xtract tftp://192.168.51.65/c2950.tar flash: ${CRLF}
${SaveConfig}

HTH

Jon

IT Infrastructure Manager
Pilgrim Hospital
UK

FormerMember

jonchill,

Can you post the script for the 3750 using a .bin file? The script for the 3750s would be very helpful.

http://www.cisco.com/en/US/products/hw/switches/ps5023/products_configuration_example09186a00804799d7.shtml#cfbin1

Under 3750 Series Switch Stack IOS Upgrade - Manual (.bin Image)

jonchill

The script I use for our 3750's is

archive download-sw /overwrite tftp://192.168.51.65/c3750.tar
wr
reload

It works a treat and will upgrade multiple switches in a stack.

Jon

IT Infrastructure Manager
Pilgrim Hospital
UK

dduquette

We are about to look at using NCM for IOS Upgrades to 6500's and 4507's. Anyone have a sample script for either of these models?

arobins5

The script below works on one 4500, but it the tftp transfers seem to timeout when I run it on more than one box. If you come across or have something better, could you let me know?

Thanks,

Adrian, arobins5@clarian.org

format bootflash:
${CR}
${CR}
squeeze bootflash:
${CR}
${CR}
format slavebootflash:
${CR}
${CR}
squeeze slavebootflash:
${CR}
${CR}
format slot0:
${CR}
${CR}
squeeze slot0:
${CR}
${CR}
format slaveslot0:
${CR}
${CR}
squeeze slaveslot0:
${CR}
${CR}
copy t10.8.217.39/cat4500-ipbasek9-mz.122-46.SG.bin bootflash:cat4500-ipbasek9-mz.122-46.SG.bin
${CR}
copy t10.8.217.39/cat4500-ipbasek9-mz.122-46.SG.bin slavebootflash:cat4500-ipbasek9-mz.122-46.SG.bin
${CR}
copy t10.8.217.39/cat4500-ipbasek9-mz.122-46.SG.bin slot0:cat4500-ipbasek9-mz.122-46.SG.bin
${CR}
copy t10.8.217.39/cat4500-ipbasek9-mz.122-46.SG.bin slaveslot0:cat4500-ipbasek9-mz.122-46.SG.bin
${CR}
config t
no boot system flash bootflash:cat4000-i9k91s-mz.122-20.ewa.bin
no boot system flash bootflash:cat4000-i9k91s-mz.122-20.EWA1.bin
boot system flash bootflash:cat4500-ipbasek9-mz.122-46.SG.bin
config-register 0x2101
redundancy
main-cpu
auto-syn standard
end
write mem

shockwave

Excuse the rookie question, but why leave the config-register setting as 0x2101 instead of 2102?

arobins5

0x2102 tells the switch to look for a "boot" statment in the config and load whatever file is specified. It'll start with the top-most boot statement in the switch config and then go through the 2nd, 3rd staments etc., if there are multiple statements.

0x2101 just means to load the first usable image the switch comes across. Since we only plan to have one image file, in multiple locations on the switch, 2101 works for our purposes. Also, if we were to use the 2102 setting and the file were removed or renamed, the switch potentially could boot into RMON mode, even though a valid image was present on the box.