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#!/bin/bash
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set -eu
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. ./lib.shs
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# typically: bring up the networks
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ip link set dev lo up
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setup_for_router
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# ISP network
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ip addr add 10.0.0.2/24 dev isp_ve
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# NAT: use 10.0.0.0/24 inside the network and 192.168.0.1/24 for the client network
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nft add table ip nat
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nft add chain ip nat postrouting { type nat hook postrouting priority srcnat \; }
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nft add rule ip nat postrouting oifname \"isp_ve\" ip saddr 192.168.0.0/24 masquerade
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ip link set dev isp_ve up
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ip route add default via 10.0.0.1 dev isp_ve
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# network for clients
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ip addr add 192.168.0.1/24 dev cli_vwlan
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# No IPv6 at public spaces lol
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ip link set dev cli_vwlan up
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# TODO: DHCP server!
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