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--- en:bpi-r2:hwnat [2017/12/30 12:03]
frank
+++ en:bpi-r2:hwnat [2020/08/29 17:14] (current)
@@ Line 1: / Line 1: @@
 ====== Hardware-NAT ======
-  * currently only for LEDE [[http://forum.banana-pi.org/t/bpi-r2-lede-source-code-for-hardware-nat/3940|forum]]
+  * available in LEDE [[http://forum.banana-pi.org/t/bpi-r2-lede-source-code-for-hardware-nat/3940|forum]]
-  * should work with 4.14, Test: https://github.com/frank-w/BPI-R2-4.14/tree/hnat
+  * seems to work with 4.14, Test: https://github.com/frank-w/BPI-R2-4.14/tree/4.14-hnat [[http://forum.banana-pi.org/t/bpi-r2-kernel-4-14-hnat/4486/43|forum]]
   * no support in 4.4.70 [[http://forum.banana-pi.org/t/bpi-r2-lede-source-code-for-hardware-nat/3940/15|forum]]
-[[https://github.com/garywangcn/bpi-r2_lede/commit/ef3ced07e505b40e04724f257dffea9c4d388fca#diff-c6d162794f4d9c3773b8a3ef2375785b|Patch]]
+Current implementation works only between lan and wan (not wifi or other interfaces)
+at least you have to setup nat on wan:
+<code>
+ipt=/sbin/iptables
+if_wan=wan
+${ipt} -t nat -F
+${ipt} -t nat -A POSTROUTING -o ${if_wan} -j MASQUERADE
+</code>
+and load hnat-module:
+  modprobe mtkhnat
+Check if it is working with
+<code>
+#via debugfs (working shows BIND-state)
+cat /sys/kernel/debug/hnat/all_entry
+#via interrupts (counter does not increase after a while (download))
+cat /proc/interrupts | grep 'ethernet'
+</code>
+[[https://github.com/garywangcn/bpi-r2_lede/commit/ef3ced07e505b40e04724f257dffea9c4d388fca#diff-c6d162794f4d9c3773b8a3ef2375785b|original-Patch for 4.9 (lede)]]

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