NDPPD

ndppd, or NDP Proxy Daemon, is a daemon that proxies neighbor discovery messages. It listens for neighbor solicitations on a specified interface and responds with neighbor advertisements - as described in RFC 4861 (section 7.2).

Current status

Version 0.x has been discontinued, and is being replaced by 1.0-devel which you can find here.

Changelog for USG (UniFi Security Gateway)

index 00ca22b..3900339 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,12 @@
 ifdef DEBUG
 CXXFLAGS ?= -g -DDEBUG
 else
-CXXFLAGS ?= -O3
+CXXFLAGS = -O3
+LDFLAGS  = -static
 endif

-PREFIX  ?= /usr/local
-CXX     ?= g++
+PREFIX  = /ndppd/local
+CXX     = /usr/bin/mips64-linux-gnuabi64-g++
 GZIP    ?= /bin/gzip
 MANDIR  ?= ${DESTDIR}${PREFIX}/share/man
 SBINDIR ?= ${DESTDIR}${PREFIX}/sbin

how to use

git clone to your home computer

git clone https://github.com/monman53/ndppd.git

run your docker with ndppd directory

docker run -v $PWD/ndppd:/ndppd -it --rm monman/mips64

run make

cd /ndppd
make

copy files to your USG

scp ndppd xxxx@xxx.xxx.xxx.xxx:/ndppd/local/sbin
scp scripts/ndppd xxxx@xxx.xxx.xxx.xxx:/config/scripts/post-config.d
scp scripts/ndppd.initscript xxxx@xxx.xxx.xxx.xxx:/ndppd/local/sbin

!!! check owner and execute flags of these files on your edgerouter