View Full Version : No internet when file transfer to NAS
kaisoon
01-03-2009, 05:35 PM
I'm using a Netgear NAS connected to my MIO modem router HGV2701.
Whenever I perform a large file transfer(>700MB) between my notebook and NAS through wireless LAN, I can't access internet. My another notebook also can't access internet through Wifi.
May I know whats' the botterneck?
tidus792
01-03-2009, 06:34 PM
Probably at your router.
Perhaps you want to try transferring with a wired connection.
liangtam
01-03-2009, 06:45 PM
you maxed out the b/w of the connection liao, how to have speed left for other stuff?
kaisoon
02-03-2009, 10:01 PM
I believe the router should have the AI to know how % of the bandwidth to allocate for file transfer and for web surfing rite.
Tink the router is a-tat too poor.
There should be priority scheme in what packets to send/receive.
What settings in the router wld that be?
Elysian
02-03-2009, 11:16 PM
Hi,
there are 2 possibilities to you problem
Mostly Likely one would be:
Since your NAS is connected to the MIO router/Switch and your notebook is wifi-ed to the mio router. The bottleneck might be your MIO router, do take note that when doing file transfers is a high resource intensive job. It will just flood your network with as much data as the TCP window allows base on all available bandwidth. The throughput of your MIO wifi module might not be able to take the load. Also do take note that running wireless encryption is Resource intensive as well.
Higher the Encryption standard the more processing power it needs to decrypt and encrypt.
You can try using a wired connection instead to the MIO.
2nd likely cause:
It might be your notebook. When u do the file transfer, will your whole Notebook lag?
If it doesn't then most likely it is not.
liangtam
02-03-2009, 11:39 PM
Generally all SOHO based equip cannot allocate b/w within lan segment due to the hardware design. Data transfer is also not some resource intensive job.
Elysian
02-03-2009, 11:50 PM
Resource Intensive is base on the capability of your devices. Every device has a max throughput on the backbone of the device. If a device has 10 x 100Mbps ports doesnt mean the throughput of the device is 1000Mbps on the backbone.
it might be only 500Mbps.
In network terms, file transfer is always seen as a bandwidth hogger. It is resource intensive to network devices. And the term resource intensive is in references to networking.
liangtam
02-03-2009, 11:56 PM
You must have confused yourself. If you are referring to the medium, then is bottleneck. For the switch component, the backbone is definitely higher than just 1/2 port, even for a 4p switch. Since laptop is by wifi, throughput is 20mbit. However 2wire has bug. Hence 5-6 mbit only. Enough to eat up all b/w, thus bottleneck
Elysian
03-03-2009, 12:17 AM
You must have confused yourself. If you are referring to the medium, then is bottleneck. For the switch component, the backbone is definitely higher than just 1/2 port, even for a 4p switch. Since laptop is by wifi, throughput is 20mbit. However 2wire has bug. Hence 5-6 mbit only. Enough to eat up all b/w, thus bottleneck
I am not just refering to a switch. its just an example. For a home router it comes with switch fabric. Yes the switching fabric can take 500Mpbs, but that doesn't mean after passing through the routing module in the router/switch the throughtput is still 500Mbps.
The routing module of the router/switch throughput might be way lesser then that.
Since It's a MIO device can only take 5-6mbits via Wifi, then that is the "real" throughput of that wireless component of the MIO device regardless if it is or is not a bug. It doesnt matter if switch to switch port is 100Mbps throughput.
Since this guy is using UTP to Wifi. Then the throughput will be 100->6Mbps, which result to a 6Mbps throughput. Compared to all the other Services you can run through a network, file transfer be it SCP,TFTP,FTP,SFTP, or even just Sysloging, they all take up the most network resource compared to other services. Especially when you are doing file transfer via wifi.
novatliz
03-03-2009, 12:18 AM
Let say if TS get a router, maybe DIR-655 to replace the mio routing function. Will that helps?
liangtam
03-03-2009, 12:32 AM
I am not just refering to a switch. its just an example. For a home router it comes with switch fabric. Yes the switching fabric can take 500Mpbs, but that doesn't mean after passing through the routing module in the router/switch the throughtput is still 500Mbps.
The routing module of the router/switch throughput might be way lesser then that.
Since It's a MIO device can only take 5-6mbits via Wifi, then that is the "real" throughput of that wireless component of the MIO device regardless if it is or is not a bug. It doesnt matter if switch to switch port is 100Mbps throughput.
Since this guy is using UTP to Wifi. Then the throughput will be 100->6Mbps, which result to a 6Mbps throughput. Compared to all the other Services you can run through a network, file transfer be it SCP,TFTP,FTP,SFTP, or even just Sysloging, they all take up the most network resource compared to other services. Especially when you are doing file transfer via wifi.
Routing module is about 80-90Mbps of WAN-LAN and LAN-LAN. Tried and tested :)
liangtam
03-03-2009, 12:35 AM
Let say if TS get a router, maybe DIR-655 to replace the mio routing function. Will that helps?
Theorectically, yes
Since bottleneck bug of 5.5Mbit/s is gone.
Restricted to 11 for mixed b/g, 22 for g, Wired at 94 at Fe and 120 at N
Elysian
03-03-2009, 12:54 AM
Routing module is about 80-90Mbps of WAN-LAN and LAN-LAN. Tried and tested :)
Rephrased
since this guy is using UTP to Wifi. Then the throughput will be 100->80->6Mbps, which result to a 6Mbps throughput.
Doesnt matter if its 80 90 or 100. Sad to say throughput is still 6Mbps.
liangtam
03-03-2009, 01:16 AM
Rephrased
since this guy is using UTP to Wifi. Then the throughput will be 100->80->6Mbps, which result to a 6Mbps throughput.
Doesnt matter if its 80 90 or 100. Sad to say throughput is still 6Mbps.
My point is, data transfer is not intensive, but rather because of the bug, it is more of a bottleneck now. Intensive is when the router cant handle any much more load or cut slacks to allow other connection to co-exist as well, by means of QoS or not..
arsenal7
03-03-2009, 11:30 AM
I dun think it is a good idea to transfer big files via wireless G. Damn slow. Depending on your laptop, everything may slow down and considering the bandwidth for G, I am not surprise other functions are affected...This is the reason why I moved to wireless N. Now transfering 1 gb via my NAS is not as painful as last time. If u dun want to suffer..either u go with wireless N or go with wired...that way I doubt u get too many problems...
IT show coming up...go and check out how much is the Dlink DIR-655...good buy...
kaisoon
03-03-2009, 09:20 PM
notebook doesn't lag during file transfer by wifi to NAS.
If I'm not wrong, I can't add the wireless N router like DIR655 to bridge cuz I'm using the VOIP solution for home phone.
arsenal7
05-03-2009, 02:16 PM
notebook doesn't lag during file transfer by wifi to NAS.
If I'm not wrong, I can't add the wireless N router like DIR655 to bridge cuz I'm using the VOIP solution for home phone.
Huh? Can't u plug the DIR-655 to your modem-router...then your NAS to your DIR-655. That should not affect your VOIP? How does the VOIP work?
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