Here you go. £15.56 job done.
This broadband router is designed to power the LAN link for your entire office, including secure communications with embedded 4-port 10/100 Base-TX Ethernet switch..
- Conforms to IEEE 802.3, IEEE 802.3u and IEEE 802.3x standards
- 10/100Mbps WAN interface (RJ-45) to connect with DSL or cable modem
- 4 port 10/100Mbps switch
- Provides 1 USB 1.1 Printer Server Port to connect USB Printer
- Supports most Dynamic and Static IPs
- Firewall function protects your PCs from outside intruders
- Configurable through any networked PC’s web browser
- Simultaneously acts as either a DHCP server on the LAN and a DHCP client on the WAN
- URL Blocking function to prevent specific web sites form interior user’s access
- Administrators can block specific interior users’ Internet access
- Supports web-based firmware upgrade.
- Supports DDNS & UPnP functions
Simple really , though if they are paying you to do it you really should have known what you where looking for....