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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 wifi hotstop

- configured l2tp/ipsec connection with one of my servers online

Issue I am having & goal:

- Goal is to have this raspberry pi as a wifi router that would route all traffic coming via WiFi through my VPN

- Issue I am having is that raspberry pi is using the VPN tunnel when I do curl, but all wifi guests connected do not get the VPN IP.

Interface example:

1: lo: <LOOPBACK,UP,LOWER_UP> 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: <BROADCAST,MULTICAST,UP,LOWER_UP> 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: <BROADCAST,MULTICAST,UP,LOWER_UP> 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: <BROADCAST,MULTICAST,UP,LOWER_UP> 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: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> 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

I am stuck and have no ideas. Would forwarding wlan0 to ppp0 do the trick or do I need to tamper with br0?

Any help is greatly appreciated.