Nortel 8600 Terminology

Ethernet routing switch

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Nortel Ethernet Routing Switch 8600

Terminology

Release: 5.0

Document Revision: 01.01

www.nortel.com

NN46205-102

323376-A Rev 01

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Page 1 Nortel Ethernet Routing Switch 8600 Terminology Release: 5.0 Document Revision: 01.01 www.nortel.com NN46205-102 323376-A Rev 01...
Page 2: Legal Notice
While the information in this document is believed to be accurate and reliable, except as otherwise expressly agreed to in writing NORTEL PROVIDES THIS DOCUMENT "AS IS" WITHOUT WARRANTY OR CONDITION OF ANY KIND, EITHER EXPRESS OR IMPLIED. The information and/or products described in this document are subject to change without notice.
Page 3 Contents Software license New in this release Other changes 9 Terminology 9 Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 5: Software License
30 days of purchase to obtain a credit for the full purchase price. "Software" is owned or licensed by Nortel Networks, its parent or one of its subsidiaries or affiliates, and is copyrighted and licensed, not sold. Software consists of machine-readable instructions, its components, data, audio-visual content (such as images, text, recordings or pictures) and related licensed materials including all whole or partial copies.
Page 6 Upon termination or breach of the license by Customer or in the event designated hardware or CFE is no longer in use, Customer will promptly return the Software to Nortel Networks or certify its destruction. Nortel Networks may audit by remote polling or other reasonable means to determine Customer’s Software activation or usage levels.
Page 7 Customer fails to comply with the terms and conditions of this license. In either event, upon termination, Customer must either return the Software to Nortel Networks or certify its destruction. Customer is responsible for payment of any taxes, including personal property taxes, resulting from Customer’s use of the Software.
Page 9: New In This Release
New in this release The following section details what’s new in Nortel Ethernet Routing Switch 8600 Terminology, NN46205-102 for Release 5.0: • “Other changes” (page 9) Other changes For information about changes that are not feature-related, see the following sections:...
Page 11 Introduction This document provides information about the terms and acronyms used in the Nortel Ethernet Routing Switch 8600 documentation. Navigation • “A” (page 13) • “B” (page 17) • “C” (page 21) • “D” (page 25) • “E” (page 29) •...
Page 13 Address Resolution Protocol (ARP) Maps an IP address to a physical machine address, for example, maps an IP address to an Ethernet media across control (MAC) address. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 14 Asynchronous Transfer Mode (ATM) A transfer mode that organizes information into cells and the recurrence of cells depends on the required or instantaneous bit rate. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 15 Routing Information Protocol (RIP) routes into OSPF is considered an ASBR. ASN (autonomous system number) A two-byte number that is used to identify a specific AS. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 17 (BFM) Connects the switching module on the Web Switching Module (WSM) and SSL Acceleration Module (SAM) to the Nortel Ethernet Routing Switch 8600 backplane. backup designated router (BDR) Assumes the designated router (DR) role for the Open Shortest Path First (OSPF) protocol if the DR fails.
Page 18 Bootstrap Protocol (BootP) A User Datagram Protocol (UDP)/Internet Protocol (IP)-based protocol that a booting host uses to configure itself dynamically and without user supervision. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 19 For ATM traffic, the maximum burst size (MBS) minus 1 multiplied by the difference between the peak cell rate (PCR) and sustained cell rate (SCR) intervals. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 21 Challenge Handshake Protocol (CHAP) An access protocol that exchanges a random value between the server and the client and is encrypted with a challenge password. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 22 (CST) The single spanning tree calculated by STP, RSTP, and MSTP to connect multiple spanning tree (MST) regions. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 23 The CRS performs a computation on frame contents before transmission and on the receiving device. The system discards frames that do not pass the CRC. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 25 (for example, ping requests aimed at the victim server) and application buffer overflows. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 26 Device Manager (DM) A graphical user interface (GUI) used to configure and manage the Nortel Ethernet Routing Switch 8600. DiffServ (DS) boundary or access point The edge of a DS domain in which classifiers and traffic conditioners are deployed.
Page 27 Distance Vector Multicast Routing Protocol (DVMRP) A dense mode routing protocol that floods multicast data to all internetwork routers. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 28 A label switch router (LSR) distributes a forward equivalence class (FEC) label binding in response to an explicit request from another LSR. The Nortel Ethernet Routing Switch 8600 does not support downstream-on-demand. downstream unsolicited (DU) An LSR distributes label bindings to LSRs that do not explicitly request them.
Page 29 Ethernet Services Module (ESM) The ESM serves as the demarcation point between the enterprise customer and the service provider and utilizes an Ethernet user-to-network interface (UNI). Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 30 A BGP session between two BGP speakers in different ASs. Exterior BGP (EBGP) A Border Gateway Protocol (BGP) used by routers that exchange information between two different Autonomous Systems. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 31 Determines that one of two unidirectional fibers, that form the connection between two switches, fails. Feedback Output Queue (FOQ) A mechanism that helps the Nortel Ethernet Routing Switch 8600 avoid switch fabric congestion. FEC to NHLFE table (FTN) A lookup table that is consulted for incoming, unlabeled packets to determine which label values to use when encapsulating the packet.
Page 33 Ethernet technology with speeds up to 1 Gbit/s. Gigabit Interface Converter (GBIC) A hot-swappable input/output enhancement component designed for use with Nortel products to allow Gigabit Ethernet ports to link with other Gigabit Ethernet ports over various media types. Global routing engine (GRE) The base router or routing instance 0 in the Virtual Router and Forwarder (VRF).
Page 35 Hypertext Transfer Protocol (HTTP) Communications protocol for the Web. Hypertext Transfer Protocol, Secure (HTTPS) Communications protocol used to access a secure Web server. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 37 (AS). internal router (IR) A router with interfaces only within a single area inside an Open Shortest Path First (OSPF) network. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 38 Point-to-Point Protocol link. Internet Protocol Flow Information eXport (IPFIX) An IETF standard that improves the Netflow V9 protocol. IPFIX monitors IP flows on the Nortel Ethernet Routing Switch 8600 platforms, and on other Nortel switching platforms. Internet Protocol multicast (IPMC)
Page 39 Runs in a given multiple spanning tree (MST) region. Within an MST region, you can configure multiple spanning instances. Instance 0 within a region is the IST. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 43 IP address of the remote peer to which a targeted LDP session is formed. On the Ethernet Routing Switch 8600, this address is equivalent to the MPLS router ID of the remote peer and the CLIP address of the egress LER.
Page 44 This mode (immediate or not immediate) specifies when the interface uses the label for the next hop. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 45 X.500. line card A card that goes into slots 1 to 4 or 7 to 10 of a Nortel Ethernet Routing Switch 8600 chassis. The card provides network connectivity for various media (Layer 0) and protocol types. A card is also called a module.
Page 46 This LLC layer addresses and arbitrates data exchange between two endpoints. Logical Provider Edge (LPE) The LPE distributes the processing of VPNs across the Ethernet Routing Switch 8600. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008...
Page 47 Maximum Transmission Unit of the port. media A substance that transmits data between ports; usually fiber optic cables or category 5 unshielded twisted pair (UTP) copper wires. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 48 The virtual Local Area Network (VLAN) to which the traffic is mirrored. multicast group ID (MGID) A hardware mechanism in the egress path that directs data to several ports simultaneously. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 49 Commonly used with LED sources for low speed and short distance lengths. Typical core sizes (measured in microns) are 50/125, 62.5/125 and 100/140. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008...
Page 50 Spanning Tree Protocol (RSTP) on the switch. multiple spanning tree region A set of LANs and MST bridges physically connected by ports on the MST bridges. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 51 Engineering Task Force (IETF) that integrates the label-swapping paradigm with network-layer routing to flexibly provide high-speed services with quality-of-service guarantees over IP and ATM networks. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 53 Internet. NTP synchronizes distributed clocks within milliseconds over long time periods. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 54 A type of optical fiber optimized for high bit-rate and dense wavelength-division-multiplexing applications. Nortel Networks command line interface (NNCLI) Nortel Networks command line interface (NNCLI) is a common CLI that follows the industry standard. NNCLI is a common user interface for device management across Nortel products.
Page 55 OE-ADM. The OE-ADM is a set of simple messages that are sent by the PE-Edges to the PE-Core, which result in provisioning actions on the PE-Core. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 56 (OOB) The capacity to deliver information using a modem or other asynchronous connection. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 57 (caller) sends its peer ID and password to the authenticator. If the ID and password match the values stored by the Authenticator, the connection proceeds. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 58 (LATA) at which an interLATA carrier establishes itself to obtain LATA access, and to which the local exchange carrier provides access services. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 59 A physical interface that transmits and receives data. Port Access Entity (PAE) Software that controls each port on the switch. The PAE, which resides on the Nortel Ethernet Routing Switch 8600, supports authenticator functionality. The PAE works with the Extensible Authentication Protocol over LAN (EAPoL).
Page 60 Protocol Independent Multicast, Source Specific (PIM-SSM) Uses only shortest-path trees to provide multicast services based on subscription to a particular (source, group) channel. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 61 Within a single VPN, pairs of PE routers connect through a multiprotocol label switching (MPLS) label switched path (LSP) tunnel. A PE router can act as a P router. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008...
Page 63 (QoS) The collective effect of service performances that determine the degree of satisfaction of a service user. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 65 RRO is an option used by the Resource Reservation Protocol-Traffic Engineering (RSVP-TE) protocol when setting up a path in an MultiProtocol Label Switching (MPLS) network. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 66 The port that generates the mirrored encapsulated traffic. remote mirror target (RMT) The port that decapsulates the remote mirror traffic and transmits it out of the Nortel Ethernet Routing Switch 8600. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright ©...
Page 67 (RPF) Prevents a packet from forging its source IP address. Typically, the system examines and validates the source address of each packet. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 68 AS. Routed SMLT (RSMLT) Provides full redundancy in core networks and rapid failover—eliminating routing protocol timer dependencies when network failures occur. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 69 RSMLT VLAN A virtual Local Area Network (VLAN) with RSMLT enabled for router redundancy and protected by active-active SMLT aggregation switch default gateways. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 71 (SLA) A service contract that specifies the forwarding service that traffic receives. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 72 50 to 100 GHz per kilometer. single spanning tree bridge A bridge that can support only a single spanning tree, the common spanning tree (CST). Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 73 Split MultiLink Trunking (SMLT) intelligence. source path messages (SPM) Allows the network element, a Nortel Ethernet Routing Switch 8600 with Pragmatic General Multicast (PGM) enabled, to learn the source path and maintain information about the PGM session.
Page 74 Switch Fabric/Central Processor Unit (SF/CPU) The board that resides in slot 5 or 6 of the Nortel Ethernet Routing Switch 8600 system chassis. switched multimegabit data service (SMDS) A connectionless, broadband, packet-switched data service that provides LAN-like performance and features in metropolitan or wide areas.
Page 75 OC-1 to OC-48 and greater. System Administration, Networking and Security Institute (SANS) The research and education organization for network administrators and security professionals. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 77 TDI. Transparent LAN Service (TLS) TLS is the component of the Nortel Networks OE solution that allows a group of customer sites to appear as one single LAN, regardless of their geographic location.
Page 78 A logical group of ports that behaves like a single large port. trunk port On the Ethernet Routing Switch 8600, a trunk port is a port that connects to the service provider network such as the MPLS environment. type of service (TOS)
Page 79 A collection of RSVP tunnels. Television (TV) A widely used telecommunication system for broadcasting and receiving moving pictures and sound over a distance. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 81 Simple Network Management Protocol (SNMP) engine. user-based policies (UBP) Establishes and enforces roles and conditions on an individual user basis for access ports in the network. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 82 An upstream node refers to the node that the packet exits on its way to the downstream node on the next hop LSR. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 83 Virtual Private Network (VPN) A private communications network that uses public networks to transfer data. VPN users can be in geographically separate locations. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 84 Internet Protocol (IP) rather than the traditional circuit-committed protocols of the public switched telephone network (PSTN). Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 85 (WC) A central termination area for telephone or network cabling or both. Nortel Ethernet Routing Switch 8600 Terminology NN46205-102 01.01 Standard 30 May 2008 Copyright © 2008 Nortel Networks...
Page 88 While the information in this document is believed to be accurate and reliable, except as otherwise expressly agreed to in writing NORTEL PROVIDES THIS DOCUMENT "AS IS" WITHOUT WARRANTY OR CONDITION OF ANY KIND, EITHER EXPRESS OR IMPLIED. The information and/or products described in this document are subject to change without notice.

Nortel 8600 Terminology

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Summary of Contents for Nortel 8600

Page 2: Legal Notice

Page 5: Software License

Page 9: New In This Release