ESW 520 8-port - firmware upgrade

Hi,
We have a ESW 520 8-port currently on firmware version 2.1.1.19 (boot version 1.0.0.07, VID V01) - Serial number CBT15100AN2
The latest firmware version is 2.1.1.21, which we downloaded and via Maintenance, Software Upgrade, via HTTP performed an upgrade to this latest version - the upgrade appears to complete, logs show successful however when we restart the switch it still shows as 2.1.1.19 . Very strange!
Can someone please advise how to get the upgrade to successfully apply?
Kindest regards,
Dale.

David,
Thanks for such a question reply - I had tried that and after reboot still shows as 2.1.1.19
I decided to install the firmware upgarde again, change the active firmware to 2.1.1.21 again, restarted and this time it held.
Thank you for your assistance, all resolved.
Cheers,
Dale.

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I jumped into the middle of this and have some information to share.
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http://www.cisco.com/en/US/docs/switches/lan/csbms/esw500/release_notes/Release_Note_2.1.16.pdf
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esw520-8p-k9-2116.ros for ESW-520-8P
esw540-8p-k9-2116.ros for ESW-540-8P
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ESW-540-24P
ESW-540-24
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File Type = Software Image for .ros files
File Type = Boot Code for .rfb files
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2. Upgrade Software Image (PC --> ESW)
3. Change Active Image
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from port e5 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:10 SRC IP
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Hi ngtransge,
I will first come to say I do not know the answer. But, I will suspect the log entries are indicating a MAC address that arrived on the interface that did not recognize the IP or MAC address. If the MAC or IP is not found in the inspection list, it would revert to the DHCP snooping table if that is enabled.
I would suspect these entries are coming from an untrusted interface then goes through validation.
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http://www.fixyourownprinter.com/forums/laser/63535
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You need to try again to reset the router to factory defaults.
To reset your router to factory defaults, use the following procedure:
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Please let me know how things turn out for you.
Message Edited by toomanydonuts on 08-25-2007 03:43 AM

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