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There's a good white paper on switch security at:http://www.cisco.com/en/US/partner/products/hw/switches/ps708/products_white_paper09186a008013159f.shtml
You could try the following:* Is your TFTP directory in the right place? The default is /tftpboot - make sure it's got 777 permissions* You must create (touch) a file with the right filename first, then give it 777 permissions (as mentioned in previo...
Don't know if they'll help. They're designed to help with mains spikes or lightening hits etc.I would try getting a cheap pair of UTP to Fibre converters, and patching them together with a short fibre patch cord. This will electrically isolate your U...
