WRT160N v2 freezing during large transfers

I'm trying to download large ISOs (Ubuntu & Fedora releases, usually) on one machine, connected over LAN to the WRT160N, and then transfer over wireless to my other box (which has a DVD burner in it). Unfortunately, the transfers freeze up (tried transferring to laptop & work-laptop over wireless too, both fail) when I'm transferring via the wireless. Transferring via LAN works. Any suggestions on what I can do/try to get these transfers working? The DVD burner is connecting w/ 802.11g, work laptop has 802.11n. Its a big inconvenience to have to drop the ISOs to a flash drive to bring them over to my dvd-burning computer. I'd try to upgrade the firmware, but the WRT160N v2 isn't even on the drop-down for the WRT160N drivers.

Try to play around with the wireless advanced settings
Transmission Rate
The default setting is Auto. The range is from 1 to 54Mbps.
The rate of data transmission should be set depending on the speed of your wireless network. You can select from a range of transmission speeds, or keep the default setting, Auto, to have the Router automatically use the fastest possible data rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible connection speed between the Router and a wireless client
Beacon Interval
The default value is 100. Enter a value between 1 and 65,535 milliseconds. The Beacon Interval value indicates the frequency interval of the beacon. A beacon is a packet broadcast by the Router to synchronize the wireless network.
RTS Threshold
This value should remain at its default setting of 2347. The range is 0-2347 bytes.
Should you encounter inconsistent data flow, only minor modifications are recommended. If a network packet is smaller than the preset RTS threshold size, the RTS/CTS mechanism will not be enabled. The Router sends Request to Send (RTS) frames to a particular receiving station and negotiates the sending of a data frame. After receiving an RTS, the wireless station responds with a Clear to Send (CTS) frame to acknowledge the right to begin transmission.
Fragmentation Threshold
This value should remain at its default setting of 2346. The range is 256-2346 bytes. It specifies the maximum size for a packet before data is fragmented into multiple packets. If you experience a high packet error rate, you may slightly increase the Fragmentation Threshold. Setting the Fragmentation Threshold too low may result in poor network performance. Only minor modifications of this value are recommended.

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WRT160N v2 freezing during large transfers

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