Multiple IPs and LAN

[Dk2014]

auto lo
iface lo inet loopback

iface enp2s0f0 inet manual

iface enp2s0f1 inet manual

auto vmbr0
iface vmbr0 inet static
    address  public_ip
    netmask  255.255.255.0
    gateway  100.64.1.9
    bridge-ports enp2s0f0
    bridge-stp off
    bridge-fd 0

auto vmbr1
iface vmbr1 inet static
    address  10.10.10.254
    netmask  255.255.255.0
    bridge-ports none
    bridge-stp off
    bridge-fd 0
        post-up echo 1 > /proc/sys/net/ipv4/ip_forward
        post-up iptables -t nat -A POSTROUTING -s '10.10.10.0/24' -o vmbr0 -j MASQUERADE
        post-down iptables -t nat -D POSTROUTING -s '10.10.10.0/24' -o vmbr0 -j MASQUERADE

only configure lan ip, can ping each other

after add public ip, 10.10.10.6 can't ping 10.10.10.4, but .4 can ping .6

 

[Richard]

only configure lan ip, can ping each other
View attachment 8938
after add public ip, 10.10.10.6 can't ping 10.10.10.4, but .4 can ping .6
View attachment 8939

The netmask for 10.10.10.x has to be /24

 

[Dk2014]

The netmask for 10.10.10.x has to be /24

Thanks, problem solved