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[Desmond]

can anyone tell me what's maximum NAT sessions of this router?

[Desmond]

no one knows?

[HankRiker]

I've never seen the number of NAT sessions listed anywhere, but I have used BitTorrent without a problem with my DGL-4500.

The tested firmware and hardware is what I'm using:
http://www.smallnetbuilder.com/wireless/wireless-reviews/30250-d-link-dual-band-80211n-for-the-impatient-dgl-4500-reviewed

I've had no problems with 125 sessions in Vuze, but I've never tried to max it out.

Hope that helps,
Hank

[Desmond]

Thanks for your help.
But don't you think it's quite strange?
becauze when i try to use BitComet to download something.
juz open not longer than 5 mins.
It has already said that the router is out of session.
As a  Giga router,i don't think it has so few session which is not good for BTing.
Even I set the QoS,the same problem still exists.
Does it related to the firmware version?
My one is A2 with FW1.15
Becuz my frd got an A2 version with FW1.21
After testing,he said it has about 12000 sessions with stable downloading.
I don't know it's true or not,but as least FW1.15 can't do that.

[HankRiker]

Thanks for your help.
But don't you think it's quite strange?
becauze when i try to use BitComet to download something.

I'd suggest trying Vuze. I've had no problems with it. What OS are you running? XP and Vista (Not sure about 7) limit the number of half-open ports you can maintain.

juz open not longer than 5 mins.
It has already said that the router is out of session.
As a  Giga router,i don't think it has so few session which is not good for BTing.
Even I set the QoS,the same problem still exists.
Does it related to the firmware version?
My one is A2 with FW1.15
Becuz my frd got an A2 version with FW1.21

Well, I'm running an older unit, A1 hardware, with firmware 1.02, but I don't think the firmware is the issue.

After testing,he said it has about 12000 sessions with stable downloading.
I don't know it's true or not,but as least FW1.15 can't do that.

Wow. That's way too many sessions. As I stated, I limit Vuze to 125 total sessions across the total number of torrents (although, I usually don't try to download or seed more than two at a time).

If you are running XP SP1 or above, or Vista, and haven't patched around the session limiter, then that's where your bottleneck is. You also need to take into account your raw provided upload/download speed, and what upload and download speeds you're allowing for each torrent.

With my configuration, I can reliably torrent over 1Mbps down on a 1Mbps up/15Mbps down connection. At least if there are enough seeds with decent upload speeds.