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The initial BGP neighbor state where the local router is refusing all incoming session requests.
To install routes from the routing protocols into a routing table.
Default JUNOS software routing table for IPv4 unicast routes.
Default JUNOS software routing table for storing the multicast cache for active data streams in the network.
Default JUNOS software routing table for storing unicast IPv4 routes specifically used to prevent forwarding loops in a multicast network.
Default JUNOS software routing table for storing the egress IP address of an MPLS label-switched path.
Default JUNOS software routing table for storing information generated by the Multicast Source Discovery Protocol (MSDP).
Default JUNOS software routing table for storing unicast IPv6 routes.
A metric value used in distance-vector protocols to represent an unusable route. For RIP, the infinity metric is 16.
In MPLS, the first router in a label-switched path (LSP). See also egress router.
OSPF adjacency state where the local router has received a hello packet but bidirectional communication is not yet established.
JUNOS software command that allows a user to reorder terms in a routing policy or a firewall filter. It may also be used to change the order of a policy chain.
The international professional society for electrical engineers that sets standards for networking technologies.
Type of hard disk on the Routing Engine.
Routing of packets among different ASs. See also External BGP (EBGP).
In a BGP route reflection network, the redistribution of routing information by a route reflector system to all nonclient peers (BGP peers not in the cluster). See also route reflection.
Value added to all received routes in a distance-vector network before placing them into the routing table. The JUNOS software uses a cost of 1 for this value.
Routes that are in the routing table because an interface has been configured with an IP address. Also called direct and local routes.
A routing protocol designed to operate within the confines of an administrative domain. Examples include the Routing Information Protocol (RIP), Open Shortest Path First (OSPF), and Intermediate System to Intermediate System (IS-IS).
In IS-IS, the network entity that sends and receives packets and that can also route packets.
Link-state, interior gateway routing protocol for IP networks that also uses the shortest path first (SPF) algorithm to determine routes.
BGP configuration in which sessions are established between routers in the same AS.
Another name for the fxp1 and fxp2 interfaces that provide communications between the Routing Engine and the Packet Forwarding Engine.
See International Organization for Standardization (ISO).
A unique code used to identify an individual mobile station to a GSM network.
Information that identifies a particular subscriber to a GSM network.
Worldwide federation of standards bodies that promotes international standardization and publishes international agreements as International Standards.
Formerly known as the CCITT, group supported by the United Nations that makes recommendations and coordinates the development of telecommunications standards for the entire world.
Regulatory group that maintains all assigned and registered Internet numbers, such as IP and multicast addresses.
Used in router discovery, ICMP allows router advertisements that enable a host to discover addresses of operating routers on the subnet.
International community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and the smooth operation of the Internet.
Multicast protocol used for router-to-host communications. Hosts use IGMP to request multicast data streams from the network. Routers use IGMP to determine whether group members are still present on the local segment.
The key management protocol used in IPSec, IKE combines the ISAKMP and Oakley protocols to create encryption keys and security associations.
Juniper Networks ASIC responsible for using the forwarding table to make routing decisions within the Packet Forwarding Engine. The Internet Processor ASIC also implements firewall filters.
The protocol used for sending data from one point to another on the Internet.
The industry standard for establishing VPNs, IPSec comprises a group of protocols and algorithms that provide authentication and encryption of data across IP-based networks.
A protocol that allows the receiver of a message to obtain a public key and use digital certificates to authenticate the sender’s identity. ISAKMP is designed to be key exchange independent; that is, it supports many different key exchanges. See also Internet Key Exchange (IKE) and Oakley.
Company that provides access to the Internet and related services.
The routing of packets within a single AS. See also Internal BGP (IBGP).
Juniper Networks ASIC responsible for segmenting data packets into 64-byte J-cells and for queuing result cells prior to transmission.
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