Quadro Quadro6L Manual
Also see for Quadro4L: Installation guide
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Contents
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Quadro6L/4L Manual I: Installation Guide Step 1: Installing the QuadroStep 1: Installing the QuadroNetworking OverviewTo establish a connection between the Internet and your local area network (LAN), an ac-cess router is needed. The Quadro6L/4L may serve, among other functions, as an accessrouter, and will perform the task of connecting your LAN, or a group of one or more PCs, tothe wide area network (WAN) or the Internet. The Quadro will process and regulate the da-ta traffic between these two networks. The Quadro6L/4L has one LAN port that can con-nect to Ethernet hubs and switches on the LAN, allowing additional devices to be con-nected to the network.The Quadro is a device with two sides: one side connects to your LAN, and the other sideconnects to the Internet, or the WAN. Quadro’s firewall and Network Address Translation(NAT) functionality protects your LAN from being seen from the Internet side making theLAN private and secure.The Ethernet WAN port transmits up to 10 Mbps, and the LAN port transmits at 10 Mbps or100 Mbps.Every device within an IP network requires a unique IP address to identify itself. Since theQuadro connects to both the LAN and the WAN, it has to be part of both networks, andmust have two IP addresses: one for the WAN side and one for the LAN side. The Qua-dro’s integrated firewall/NAT functionality will hide the LAN IP address from the WAN (In-ternet) side.There are two ways of assigning an IP address: statically or dynamically.A Static IP address is a fixed, manually assigned IP address that remains valid untilchanged. If you plan to use the Quadro as your Internet access router, contact your InternetService Provider (ISP) to find out if a static IP address is assigned to your account. If so,you will need this static IP address when configuring the Quadro device.A dynamic IP address is a temporary address that is automatically assigned by your ISPand will change periodically. If your ISP offers a dynamic IP address, the Quadro will act asa DHCP client and will receive a new IP address from the ISP’s DHCP server or PPPoEfeature.Please Note: A DHCP client is a piece of software that requests an IP address from aDHCP server. A DHCP server assigns on request a unique IP address to a device. TheQuadro, like many routers, acts as a DHCP client on its WAN interface and as a DHCPserver on its LAN interface.The Quadro must be visible to the Internet to be able to receive and send VoIP calls. Whenthe Quadro is placed in a private network, typically behind existing routers, it will by defaultattempt to pass through the NAT of this router with its STUN (Simple Traversal of UDP overNAT) feature. STUN will work without user configuration with the majority of basic routers.In some scenarios, port forwarding on the router is required to make the Quadro accessibleto other Quadro devices and the Epygi SIP Server on the Internet. Another configurationoption is to use the Quadro as the Internet access router, connected directly to the WAN,eliminating the traverse to the local NAT firewall.Quadro6L/4L; (SW Version 5.2.x) 11 |
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