IOS Recovery of corrupted IOS on 1250 Series Access Points
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Step 1
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Configure a PC with a TFTPdeamon IP 10.0.0.3 Mask 255.0.0.0.


Step 2
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Copy a valid IOS to the TFTPboot root folder, for example: c1250-k9w7-tar.124-10b.JA1.tar


Step 3
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Connect 1250 Series Aironet AccessPoint with the PC using a crossover-cable or via a Switch/Hub.


Step 4
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Reset AccessPoint via Software or pull the plug!


Step 5
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Hold down the MODE button while you reconnect the power cable to the Access-Point


Step 6
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Hold the MODE Button until the status LED turns red (approx 20-30 secs), then release the MODE Button.


Step 7
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ap: set IP_ADDR 10.0.0.2
ap: set NETMASK 255.0.0.0
ap: set DEFAULT_ROUTER 10.0.0.1
ap: tftp_init
(ap: flash_init)


Step 8
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ap: tar -xtract tftp://10.0.0.3/c1250-k9w7-tar.124-10b.JA1.tar flash:


Step 9
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ap: set BOOT flash:/c1250-k9w7-tar.124-10b.JA1/c1250-k9w7-tar.124-10b.JA1


Step 10
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ap: reset



WATCH THIS:
You may have to keep an eye on step 8, as the AP sometimes misinterpretes the long file name
or the path to the tftp server.