IOS upgrade problem

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Sep 21st, 2009
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Currenlty our cat3560G-48TS switches are running 12.2(46)SE. I am trying to upgrade it to 12.2(50)SE3 as fix for current DoS vulnerabilities, but getting an error. I checked the checksum and it's ok. Command I am using:

#archive download-sw /safe /reload tftp://xxxx/fn


Error output is given below.

----------------------------------

Loading c3560-ipbasek9-mz.122-50.SE3.bin from 10.10.10.105 (via Vlan5): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[OK - 9968993 bytes]


Loading c3560-ipbasek9-mz.122-50.SE3.bin from 10.10.10.105 (via Vlan5): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[OK - 9968993 bytes]


examining image...

%Tar checksum error in tftp://10.10.10.105/c3560-ipbasek9-mz.122-50.SE3.bin

%Error opening flash:update/info (No such file or directory)

ERROR: Image is not a valid IOS image archive.

-----------------------------------------

Thanks,




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Giuseppe Larosa Mon, 09/21/2009 - 11:10
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Hello Mohammad,


notice the line:

%Tar checksum error in tftp://10.10.10.105/c3560-ipbasek9-mz.122-50.SE3.bin


you need to download a tar (compressed with TAR unix utility) version of image file to use with archive command.


otherwise you need to use the manual procedure


copy tftp flash


in this case you can download the bin file directly on the flash.


Hope to help

Giuseppe


Lucien Avramov Mon, 09/21/2009 - 11:13
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If you are running a stack of switched, then download the tar and use the archive command.


Else copy the bin file with the copy command as suggested.

glen.grant Mon, 09/21/2009 - 14:19
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If using the .bin file use the "copy tftp flash: " command to put it on .then manually change your boot statement. The archive command is for the .tar files as others have indicated.

Leo Laohoo Mon, 09/21/2009 - 14:27
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What DoS vulnerabilities? According to Cisco's PSIRT website, the latest crafted TCP exploit (document ID 109444) shows 12.2(46)SE to be OK. I have no idea what Cisco meant with 12.2(46)SE2 since there is no such releases for the 2960/3560/3750 anyway (probably due to bugs).

Leo Laohoo Tue, 09/22/2009 - 16:05
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Dude,


This link IS document ID 109444. :)


iyde Wed, 09/23/2009 - 05:30
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Right, 12.2(46)SE2 is listed as "First Fixed Release" while 12.2(50)SE3 is listed as "Recommended Release"

HTH

msalim Wed, 09/23/2009 - 05:40
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OK, Thanks. We have 12.2(46)SE and the release numbers were little confusing, but I figured it out.


Thanks,

Leo Laohoo Wed, 09/23/2009 - 14:28
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I have no idea what Cisco meant with 12.2(46)SE2 since there is no such releases for the 2960/3560/3750 anyway (probably due to bugs).

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