Connecting to local network

[JarneDM]

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet manual

auto wlp2s0
iface wlp2s0 inet dhcp
wpa-ssid our network
wpa -psk password
auto vmbr0
iface vmbr0 inet static
address 172.16.91.121
gateway 172.16.91.254
netmask 255.255.255.0
bridge-ports wlp2s0
bridge-stp off
brdige-fd 0

we have to connect and ping other ip adresses in our local network.