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| Networking with Windows Vista Networking issues and questions with Windows Vista. (microsoft.public.windows.vista.networking_sharing) |
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October 2nd 08, 08:12 PM
posted to microsoft.public.windows.vista.networking_sharing
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Gigabit is slower than expected
Hi! I have two PCs with Vista Ultimate SP1. Both of them have gigabit ethernet cards and are connected to a gigabit switch. Switch recognizes the PCs to have gigabit cards. However when I transfer a file from one to the other speed is less than 12MB/sec (less than 100Mbit). I would expect it to be around 120MB/sec (1000Mbit). Any ideas? I searched several forums and I saw that gigabit cards drivers do not have the 1000Mbit option in their settings. Why is that? Any chance of achieving real gigabit speeds? -- papadi 
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October 2nd 08, 08:22 PM
posted to microsoft.public.windows.vista.networking_sharing
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Gigabit is slower than expected
I think it depends on the quality of the cable... not sure though. My guess is its Cat5e cable not a normal Cat 5 cable that you require. Look up the info on 'Wikipedia' (http://www.wikipedia.org) The Cat 5e cable looks exactly like a Cat 5 cable but its supposed to be able to handle gigabit connections. Lemme see if I can dig up something more... EDIT: found this on Wikipedia: 1000BASE-T (also known as IEEE 802.3ab) is a standard for gigabit Ethernet over 'copper' (http://en.wikipedia.org/wiki/Copper) wiring. It requires, at a minimum "Category 5 enhanced" (similar to '100BASE-TX' (http://en.wikipedia.org/wiki/100BASE-TX) 'Category 5 cable' (http://en.wikipedia.org/wiki/Category_5_cable) but twisted tighter), while 'Category 6 cable' (http://en.wikipedia.org/wiki/Category_6_cable) may also be used and is often recommended. Hope this helps! -- Dragor If it ain't broke, break it and try to fix it!!!
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October 3rd 08, 04:16 AM
posted to microsoft.public.windows.vista.networking_sharing
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Gigabit is slower than expected
Hi
Log to the support site of the network cards manufacturer and try their drivers. In general, http://www.ezlan.net/giga.html Jack (MS, MVP-Networking) "papadi" wrote in message ... Hi! I have two PCs with Vista Ultimate SP1. Both of them have gigabit ethernet cards and are connected to a gigabit switch. Switch recognizes the PCs to have gigabit cards. However when I transfer a file from one to the other speed is less than 12MB/sec (less than 100Mbit). I would expect it to be around 120MB/sec (1000Mbit). Any ideas? I searched several forums and I saw that gigabit cards drivers do not have the 1000Mbit option in their settings. Why is that? Any chance of achieving real gigabit speeds? -- papadi
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