(MPLS), a P router or provider router is a label switch router (LSR) that functions as a transit router of the core network. The P router is typically...

PE/ELSR A provider edge router (PE router) is a router between one network service provider's area and areas administered by other network providers. A network...

the PE routers. Provider edge router (PE): An MPLS-specific router in the network's access layer that interconnects with customer edge routers to provide...

An MPLS router that performs routing based only on the label is called a label switch router (LSR) or transit router. This is a type of router located...

(CE) router generally refers to the router at the customer premises that is interconnected with the provider edge (PE) router of a service provider's IP/MPLS...

A core router is a router designed to operate in the Internet backbone, or core, or in core networks of internet service providers. To fulfill this role...

MPLS provider's network, a router which connects to a customer's network is called a Provider Edge (PE) router. Similarly, the customer's edge router at...

(VPN/virtual routing and forwarding) to segment routing tables for each customer utilizing the service. The customer peers with the service provider router and...

generally point the default route for a given host towards the router that has a connection to a network service provider. Therefore, packets with destinations...

referred to as a managed service(s) provider (MSP). A managed IT services provider is a third-party service provider that proactively monitors & manages...

An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the...

second core router in 2007 and the newer T4000 4 Terabit router in 2010. In 2012, it released the ACX family of universal access routers. In 2013, the...

The Fairchild C-123 Provider is an American military transport aircraft designed by Chase Aircraft and built by Fairchild Aircraft for the U.S. Air Force...

via a wireless local-area network (WLAN) using a router connected to an Internet service provider. Public hotspots may be created by a business for use...

service provider (SP) core networks. Networking equipment was traditionally categorized by functionality as being either a switch or a router. Switches...

network to the destination PE router. The destination PE router then decapsulates the traffic and forwards it to the CE router at the destination. The backbone...

is that each edge router only attracts packets that have a source address in that provider's prefix. With source-specific routing, each host interface...

hole. An example of this behavior is a provider edge router running an MPLS VPN with IS-IS and BGP. After the router boots, it establishes IS-IS adjacency...

via P routers. In MPLS terminology, the P routers are label switch routers without awareness of VPNs. Virtual router PPVPN The virtual router architecture...

router, known as an area border router (ABR). An ABR maintains separate link-state databases for each area it serves and maintains summarized routes for...

distribution services to third-party logistics businesses. Third-party logistics providers typically specialize in integrated operations of warehousing and transportation...

based on MPLS or GMPLS, NNI is used for the interconnection of core provider routers (class 4 or higher). In the case of GMPLS, the type of interconnection...

Wired router Wireless access point Wireless router A modem (e.g. DSL modem, cable modem) by itself provides none of the functions of a router. It merely...

propagation of routing changes in the event of a network link failure. If a router only advertises a summary route to the next router, then it does not...

Active state, the router resets the ConnectRetry timer to zero and returns to the Connect state. In the OpenSent state, the router sends an Open message...

registry (LIR) through an Internet service provider to obtain routing of the address block within the Internet. Provider-independent addresses offer end-users...

WAN service provider transmission link. The WAN Interface Card (WIC) may contain an integrated CSU/DSU that can be inserted into a router slot. An example...

services where a PPPoE-speaking modem-router (residential gateway) connects to the DSL service. Here both ISP and modem-router need to speak PPPoE. (Note that...

classful. Routing protocols were revised to carry not just IP addresses, but also their subnet masks. Implementing CIDR required every host and router on the...

Internet uplinks all converge on a single edge router. In such a configuration, the loss of that single router disconnects the Internet uplink, despite the...