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viliampucik/proxy-arp.sh

Created November 18, 2020 17:49
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Proxy ARP
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proxy-arp.sh
#!/bin/sh
# Enable connection between AP and RPi without NAT
# AP --- wifi --- laptop --- ethernet --- RPi
# Reference: https://wiki.debian.org/BridgeNetworkConnectionsProxyArp
# 0. Assign static IP to RPi
# 1. Enable Proxy ARP and routing on the laptop
echo 1 > /proc/sys/net/ipv4/conf/all/proxy_arp
echo 1 > /proc/sys/net/ipv4/ip_forward
# 2. Add static route for RPi on the laptop
ip route add 192.168.1.254/32 dev eth0
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