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ian@huth · 19-03-2005, 16:41

Sometimes when trying to troubleshoot problems you try several different possibilities and none of them work. It is easy at this stage to then think that it is no use trying them again as you have already proved these don't work. One point to bear in mind is that NTL cable modems will only recognise three different MAC addresses within a four hour period. If you have tried three possibilities with different MAC addresses which don't work and then try a fourth which might have been using the CentOS server within four hours of trying the first then you would not be able to get a connection through the CentOS server. If having tried this once and it not having worked have you tried it again outwith the four hour period?

I would presume that you have tried the obvious things like checking for a faulty cable and turning off any firewalls on the systems.

19-03-2005, 16:41	#12
ian@huth Inactive Join Date: Jun 2003 Location: Huthwaite, Nottinghamshire Services: VM 10Mb, TU, 1xSky HD, 2xSky+ (HD,all packs, sports & movies) 2xDVD PVR's, Freesat Freeview & other Posts: 4,536	Re: NTL + Router = Hell Sometimes when trying to troubleshoot problems you try several different possibilities and none of them work. It is easy at this stage to then think that it is no use trying them again as you have already proved these don't work. One point to bear in mind is that NTL cable modems will only recognise three different MAC addresses within a four hour period. If you have tried three possibilities with different MAC addresses which don't work and then try a fourth which might have been using the CentOS server within four hours of trying the first then you would not be able to get a connection through the CentOS server. If having tried this once and it not having worked have you tried it again outwith the four hour period? I would presume that you have tried the obvious things like checking for a faulty cable and turning off any firewalls on the systems.