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# belkin_rt1800_openwrt
- A note for how to build a Openwrt image for RT1800 with MTK HNAT (23.05 only)
- Original Openwrt doesn't support MTK HANT on MT7921 platform, immortalwrt has MTK HANT support on 5.10 kernel.
- I porting the driver from immortalwrk and modify it, so it can running on 5.15 kernel and matches belkin rt1800 hardware
- CPU: MT7621
- Wi-Fi chip: MT7915D (DBDC)
- Original Openwrt doesn't support MTK HANT on MT7921 platform, immortalwrt has MTK HANT support on 5.10 kernel.
- So, I porting the driver from immortalwrk and modify it, so it can running on 5.15 kernel and matches belkin rt1800 hardware
- RT1800 hardware info:
- CPU: MT7621
- Wi-Fi chip: MT7915D (DBDC)
- Refer: https://openwrt.org/docs/guide-developer/toolchain/beginners-build-guide
- if the MTK hnat work properly, you should see CPU usage is neraly zero when WAN => LAN traffic running in full speed (big tcp packet)
- <img src='/readme_mt7621_cpu_wantolan.jpg' width='50%'>
- <img src='/readme_mt7621_cpu_wantolan.jpg' width='50%'>
## Get the code
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