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In MPLS, a router located at the beginning or end of a label-switching tunnel. When at the beginning of a tunnel, an edge router applies labels to new packets entering the tunnel. When at the end of a tunnel, the edge router returns to forwarding the packets using the destination IP address. See also Multiprotocol Label Switching (MPLS).
Shortcut keystrokes used within the router’s command-line interface. These macros move the cursor and delete characters based on the specific sequence specified.
In MPLS, the last router in a label-switched path (LSP). See also ingress router.
Any electromagnetic disturbance that interrupts, obstructs, or otherwise degrades or limits the effective performance of electronics or electrical equipment.
A United States trade group that represents manufacturers of electronics devices and sets standards and specifications.
Software used by a Juniper Networks router to operate the physical router components.
A fundamental component of IPSec-compliant VPNs, ESP specifies an IP packet’s encryption, data integrity checks, and sender authentication, which are added as a header to the IP packet. See also Authentication Header (AH).
In IS-IS, the network entity that sends and receives packets.
Mobile network database that contains information about devices using the network.
BGP neighbor state that represents a fully functional BGP peering session.
JUNOS software routing policy match type that represents only the route specified in a route filter.
An IP packet not processed by the normal packet flow through the Packet Forwarding Engine. Exception packets include local delivery information, expired TTL packets, or packets with an IP option specified.
OSPF adjacency state that means the two neighboring routers are actively sending Database Description packets to each other to exchange their database contents.
OSPF adjacency state that means the two neighboring routers are actively sending Database Description packets to each other to exchange their database contents.
A standards organization created after the divestiture of the Bell System to represent the interests of interexchange carriers.
See signaled path.
Extension to RSVP that allows an RSVP Path message to traverse an explicit sequence of routers that is independent of conventional shortest-path IP routing.
Extension to RSVP that allows an RSVP Path message to traverse an explicit sequence of routers that is independent of conventional shortest-path IP routing.
To place routes from the routing table into a routing protocol.
OSPF adjacency state where the neighboring routers negotiate who is in charge of the synchronization process.
The original exterior gateway protocol used to exchange routing information among routers in different Autonomous Systems. EGP was replaced by BGP as the size and complexity of the Internet grew.
BGP configuration in which sessions are established between routers in different ASs.
A cost included in a route when OSPF exports route information from external Autonomous Systems. There are two types of external metrics: Type 1 and Type 2.
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