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Vista Wireless Performance Questionnaire
With the amount of Vista issues on the forum, we are putting out a questionnaire here to get more information on the setups to get get a grasp of what is happening. Based on user feedback over the la...
Just got a ReadyNAS Duo with 2x 500GB drives, and am connecting to it via a wireless router using two laptops, one XP, the other Vista. XP works fine. Vista has had two problems:
1) Initially had very slow transfer speeds between Vista and the NAS, but after changing Vista's MTU to 1492 transfer speeds gone up to about 1 Mbps, which is useable.
2) When uploading from the Vista machine to the NAS, after a few MB the wireless router actually disconnects all computers, not just the Vista machine. After about 30 seconds, all computers reacquire IP addresses, but this is a major annoyance and an obstacle to using the NAS.
No similar problems when using the XP machine. When transfering between the Vista and XP machines via the same wireless router, files transfer with no problem regardless of file size. So it doesn't seem to be a router problem.
I've tried MTU changes, throttling, jumbo frames, channel changes and forcing various 802.11 standards (B/G/n). All to no avail so far.
I may be stuck with this router which Sky (my ISP) provided. (Some settings are embedded in the firmware.) However, as I mentioned earlier, wireless transfers between laptops via the router have no problem so I'm not sure the router is the culprit.
This router issue seems to be uncommon based on other posts here, so I'm at a bit of a loss. Any suggestions?
1) Initially had very slow transfer speeds between Vista and the NAS, but after changing Vista's MTU to 1492 transfer speeds gone up to about 1 Mbps, which is useable.
2) When uploading from the Vista machine to the NAS, after a few MB the wireless router actually disconnects all computers, not just the Vista machine. After about 30 seconds, all computers reacquire IP addresses, but this is a major annoyance and an obstacle to using the NAS.
No similar problems when using the XP machine. When transfering between the Vista and XP machines via the same wireless router, files transfer with no problem regardless of file size. So it doesn't seem to be a router problem.
I've tried MTU changes, throttling, jumbo frames, channel changes and forcing various 802.11 standards (B/G/n). All to no avail so far.
I may be stuck with this router which Sky (my ISP) provided. (Some settings are embedded in the firmware.) However, as I mentioned earlier, wireless transfers between laptops via the router have no problem so I'm not sure the router is the culprit.
This router issue seems to be uncommon based on other posts here, so I'm at a bit of a loss. Any suggestions?
0) Updated to Windows Vista SP1? Yes
1) Tried changing MTU on ReadyNAS and laptop to 1492? Yes. This improved Vista wireless transfer speeds dramatically. However, it didn't help the router dump problem.
2) What model of Wireless Router and firmware is being used? Sagem F@st 2504, firmware A2pB023o.d20h
3) What Wireless Card model and firmware being used? Intel Wireless WiFi Link 4965AGN, Driver 11.5.1.15
4) What connection speed are you seeing for Wireless Adapter (i.e. 54 Mbps)? 54 Mbps
5) What's the connection speed between ReadyNAS to Router (10/100/1000 Mbps)? 100 Mbps
6) What's the throughput from Windows XP to ReadyNAS and Vista to ReadyNAS? XP: 2 Mbps, Vista: 1 Mbps
Both Machines at or near same location? Yes
7) Whats the throughput from Windows XP to Vista? Transferring between computers = 2 Mbps. No router dump.
8) Does disabling firewall help? One user reported problem solved by disabling Symantec firewall. Nope. Only Windows firewall installed. Turning off doesn't help.
9) Does uninstalling anti-virus help? One user reported problem solved by uninstalling CA anti-virus. Haven't tried.
10) Does enabling jumbo frames work? Several folks reported problem solved by enabling jumbo frames, and this also had the effect of speeding up wired transfers. Nope. Tried but didn't help speed or router dumping.
11) Are you able to try another router? A couple users reported replacing current router/switch solved the problem. Wouldn't be surprised if this fixed the problem, but I am stuck with my current router because it's ISP issued and my login info is embedded in the firmware.
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