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Routing traffic through VPN using Raspberry PI

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I have a setup like this: - Raspberry Pi connected to router via LAN cable - Created a bridged connection between eth0 and wlan0 - Using hostapd for Wi-Fi hotstop - Configured l2tp/ipsec connection with one of my servers online An Issue I am having & goal: - Goal is to have this Raspberry Pi as a Wi-Fi router that would route all traffic coming via Wi-Fi through my VPN - **Issue I am having** is that Raspberry Pi is using the VPN tunnel when I do curl, but all Wi-Fi guests connected do not get the VPN IP. Interface example: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast master br0 state UP group default qlen 1000 link/ether b8:27:eb:21:2b:9a brd ff:ff:ff:ff:ff:ff 3: br0: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether b8:27:eb:21:2b:9a brd ff:ff:ff:ff:ff:ff inet 192.168.1.7/24 brd 192.168.1.255 scope global br0 valid_lft forever preferred_lft forever inet6 fe80::ba27:ebff:fe21:2b9a/64 scope link valid_lft forever preferred_lft forever 4: wlan0: mtu 1500 qdisc pfifo_fast master br0 state UP group default qlen 1000 link/ether b8:27:eb:74:7e:cf brd ff:ff:ff:ff:ff:ff 6: ppp0: mtu 1280 qdisc pfifo_fast state UNKNOWN group default qlen 3 link/ppp inet 192.168.42.11 peer 192.168.42.1/32 scope global ppp0 valid_lft forever preferred_lft forever Routing table: Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 br0 45.36.81.212 192.168.1.1 255.255.255.255 UGH 0 0 0 br0 63.126.53.74 192.168.1.1 255.255.255.255 UGH 0 0 0 br0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 br0 192.168.42.1 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 45.36.81.212 is my VPN 63.126.53.74 is my own local public IP (ips have been slightly changed for obvious reasons). OS: Raspbian Would forwarding wlan0 to ppp0 do the trick, or do I need to tamper with br0?
Asked by py9 (141 rep)
Nov 8, 2018, 12:43 AM
Last activity: Jun 26, 2025, 09:07 AM