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The textbook definition of a WAN is a computer network spanning regions, countries, or even the world. [3] [4] However, in terms of the application of communication protocols and concepts, it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different networks.
A DSU is a two or more port device; one port is called the WAN (wide area network) port and the other is called a DTE port. The purpose of the DSU is to transfer serial data synchronously between the WAN port and the DTE ports. If more than one DTE port is used, the DSU assigns the DTE data according to time slots (channels) on the WAN side.
A router is configured with the provider's IP address on the WAN interface, which is shared among all devices in the LAN by network address translation. A gateway establishes physical and data link layer connectivity to a WAN over a service provider's native telecommunications infrastructure.
This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for bidirectional traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa.
Technical Report 069 (TR-069) is a document by the Broadband Forum that specifies the CPE WAN Management Protocol (CWMP). CWMP is a SOAP -based protocol for communication between an internet service provider auto configuration server (ACS) and customer-premises equipment (CPE).
These devices often contain an integrated wireless access point and a multi-port Ethernet LAN switch. A wireless access point provides connectivity within the home network for mobile devices and many other types using the Wi-Fi standard. When a router includes this service, it is referred to as a wireless router, which is predominantly the case.
It has a 4+1 port network switch (the Internet/WAN port is part of the same internal network switch, but on a different VLAN). The devices have two removable antennas connected through Reverse Polarity TNC connectors. The WRT54GC router is an exception and has an internal antenna with optional external antenna.
Voice/WAN interface cards (VWICs) can support voice, data, and voice and data applications, depending on the capabilities of the router in which the VWIC is installed." [ 1 ] The WIC is supported by many Cisco devices, particularly their branch routers including the 2500 series routers and its successors.