I have a 867 VAE router that has reported a flash checksum error.
The exact model is reported as C867 VAE K9 256Mb
The Error message is
Error : compressed image checksum is incorrect 0x30F65239
Expected a checksum of 0x30F64E18
I am trying to boot directly to an image stored on my TFTP server to recover the device. I have read many articles about how to do this and can't see what I'm missing. When I try and download the image with tftpdnld -r it waits about a minute or so and then reports.
TFTP boot exit: File not found
I have tested my TFTP Server by downloading the file successfully with a tftp client on a windows machine. Both the router and my TFTP Server are connected to the same LAN segment with straight through cables using a switch not directly connected via a cross over cable.
I have tried both with and without the leading / in the filename.
I have tried the LAN cable connected to GE0 and FE0 with the same result.
I have confirmed that 10.2.2.9 is not in use on my network.
The size of the image file is 35,951,012 bytes
Here is the output of the tftpd command
rommon 18 > tftpdnld -r
IP_ADDRESS: 10.2.2.9 IP_SUBNET_MASK: 255.255.255.0 DEFAULT_GATEWAY: 10.2.2.5 TFTP_SERVER: 10.2.2.66 TFTP_FILE: /c860vae-advsecurityk9-mz.153-3.M9.bin TFTP_DESTINATION: flash: DOWNLOAD_PORT: 0 (LAN FE 0..3, LAN GE 4 for ADV K9, WAN GE 5) TFTP_VERBOSE: Progress
As a background this switch was left switched off on the shelf for a couple of years as it was surplus to requirements.
Now we have a use for it again. I'm hoping to try and format the flash memory once I get it booted to IOS, I'll boot from USB if the flash proves unusable. Any Ideas what I'm doing wrong here?
That is a good thought. I did cut and paste the file name to avoid a typo.
I used the same cut and paste procedure on my windows tftp test client and successfully downloaded the file from the tftp server to the windows workstation. So the file is definitely in the root directory on the server and I have the name correct, and it isn't being blocked by a firewall.
I'm wondering what result I would get if the LAN cable on the router is faulty. I'm not in the same location as the device so it is difficult for me to try doing the transfer with the cable disconnected. I wonder if I would get Server not found instead of File not found.
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