how working gre tunnel

how working gre tunnel (2 Replies, Read 5333 times)

nszero	# September 25, 2023, 4:47 pm
Group: Member Post Group: Newbie Posts: 3 Status:	Public IPv4 (Test) server 1: 92.xxx.190.175 Public IPv4 server 2 (Hetzner) : 208.xxx.109.66 IP I want to use on server 2: 92.xxx.180.147/32 virtualizor new vps default gateway: 92.xxx.180.147 vps ip: 92.xxx.183.124 Bridge interface server2: viifbr0 Run this on server 1: ip tunnel add gre1 mode gre remote 208.xxx.109.66 local 92.xxx.190.175 ttl 255 ip link set gre1 up Run this on server 2: ip tunnel add gre1 mode gre remote 92.xxx.190.175 local 208.xxx.109.66 ttl 255 ip link set gre1 up Then we need to create a route on server 1 that will route the IP traffic over the GRE tunnel Run this on server 1: ip route add 92.xxx.180.147/32 dev gre1 The next step is to route data from the GRE tunnel to the bridge and back. Run this on server 2: ip rule add from 92.xxx.180.147/32 table 666 ip route add default dev gre1 table 666 ip route add 92.xxx.180.147/32 dev viifbr0 table 666 Last thing to do is to add the a IP the to bridge. This is gonna be the gateway for you VM's! Use the second IP of the range! Run this on server 2: ip addr add 92.xxx.180.147/32 dev viifbr0 Not working and ip pool checked: use routed. Ip pool: gateway: 92.xxx.180.147 Netmask: 255.255.0.0 Ip: 92.xxx.183.124
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