So far so good with 1.21B3 on A2 hardware with DNS relay enabled.
Time :December 2, 2009 6:11:03 AM EST
Firmware Version :1.21NA, 2009/09/18
WAN
Connection Type :DHCP Client
QoS Engine : Active
Cable Status :Connected
Network Status :Established
Connection Up Time :10 Day 0 Hour 03 Min 48 Sec
When I upgraded the firmware, I followed the 30-30-30 recommendation.
Here are my stats:
LAN STATISTICS
Sent :35020370
TX Packets Dropped :9
Collisions :0
Received :26560752
RX Packets Dropped :0
Errors :0
WAN STATISTICS
Sent :26425971
TX Packets Dropped :0
Collisions :0
Received :48409933
RX Packets Dropped :0
Errors :0
WIRELESS STATISTICS
Sent :342254
TX Packets Dropped :2523
Received :103037
RX Packets Dropped :145
Errors :27754