Comment 5 for bug 2007167

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James Denton (james-denton) wrote :

PS: It's possible that the use of 192.168.208.1 is a red herring and coincidentally also the gateway IP address. A theory from a colleague is as follows:

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Theory: The PXE client is EXPECTING null termination and therefore is always expecting to remove the final octal sequence (since NULL is only a single octal). You said before that when it was failing it was attempting to hit 192.168.201.1, also your gateway. The binary representation of 22 is 0001 0110. Lop off the last octal sequence, you get 0001 -> DEC 1.
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It seems like these NICs (and others like them) might be expecting null termination, but more modern/recent NICs can handle either case. I have other NICs to test with but haven't gotten there yet.