Base on this info: 6Unix Network: 128.226.6.64/26 [Unix Servers] [VLAN 301] 128.226.6.165 IP 255.255.255.192 Mask 128.226.6.65 Gateway 128.226.6.127 Broadcast If your IP was between 128.226.6.66 and 128.226.6.126 the above setting would work fine Or to use the 165 IP it should look like this 6Unix Network: 128.226.6.128/26 [Unix Servers] [VLAN 302] 128.226.6.165 IP 255.255.255.192 Mask 128.226.6.129 Gateway 128.226.6.191 Broadcast here is the breakdown of subnet 6 networks: 128.226.6.0/26 VLAN 300 Mask: 255.255.255.192 Gateway: 128.226.6.1 Brdcst: 128.226.6.63 Ip Range: 128.226.6.2-128.226.6.62 128.226.6.64/26 VLAN 301 Mask: 255.255.255.192 Gateway: 128.226.6.65 Brdcst: 128.226.6.127 Ip Range: 128.226.6.66-128.226.6.126 128.226.6.128/26 VLAN 302 Mask: 255.255.255.192 Gateway: 128.226.6.129 Brdcst: 128.226.6.191 Ip Range: 128.226.6.130-128.226.6.190 128.226.6.192.26 VLAN 305 Mask: 255.255.255.192 Gateway: 128.226.6.193 Brdcst: 128.226.6.255 Ip Range: 128.226.6.194-128.226.6.254