ASUS RT-AC87U Firmware version 3.0.0.4.376.2678
Enhancement and new features.
1. Added the application icons in Bandwidth monitor.
2. Enhanced the Wi-Fi and LED button response time
3. Added reducing USB 3.0 interference switch in network map USB part.
Bug Fixes:
1. Fixed OpenVPN UI issue. OpenVPN client shows disconnect but it still connect to VPN server.
2. Fixed the NTP sync error issue when manually assign the NTP server.
3. Fixed AiCloud compatibility issue when using IE11.
4. Fixed PPTP VPN server connection issue which is caused by special character.
Updated Quantenna driver:
1. Improved long range performance in RT-AC87U connecting to RT-AC87U scenario.
2. Fixed ping test problem in noise environment.
3. Fixed RX buffer overflow in long time stress test.
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http://dlcdnet.asus.com/pub/ASUS/wireless/RT-AC87U/FW_RT_AC87U_30043762678.zip