Networking Knowledge Base

Description:Systems Network Architecture (SNA) Complete Definition:Large, complex, feature-rich network architecture developed in the 1970s by IBM.  Similar in some respects to the OSI reference model but with a number of differences. SNA essentially...

Description:Complete Definition:RFCs:Also See: Description:Next Hop Resolution Protocol (NHRP):  Protocol used by routers to dynamically discover the MAC address of other routers and hosts connected to an NBMA network. These systems then can communic...

DescriptionCoder DecoderComplete DefinitionGeneral: A codec is a device or program capable of encoding and/or decoding a digital data stream or signal, for storage or transfer over a network.Wikipedia Codec Definition Also See:Audio Codecs or Voice R...

Description:Wide Area Network (WAN)Complete Definition:Wikipedia WAN DefinitionSee AlsoFrame Relay SMDS X.25 MPLS ATM LAN MAN

Description:Transmission Control Protocol (TCP) and Internet Protocol (IP (Internet Protocol)) (TCP/IP) (commonly known as the TCP/IP protocol suite or simply as the Internet Protocol suite) Complete Definition:The Internet protocol suite (commonly T...

Introduction:TCP Packet format:RFCsAlso See Introduction:The TCP provides reliable transmission of data in an IP environment. TCP corresponds to the transport layer (Layer 4) of the OSI reference model. Among the services TCP provides are stream data...

For generic product information go to CiscoView in CEC.  Tips and TricksYou can launch CiscoView from external applications including a link to the corresponding CiscoView URL: http://<lms_server>:1741/CVng/chassis.do?deviceip=<device> Articles relat...

Description: Introduction:The IS-IS routing protocol is a link-state protocol, as opposed to distance-vector protocols such as Interior Gateway Routing Protocol (IGRP) and Routing Information Protocol (RIP). Link-state offers several advantages over ...

IPM TopicsArticles relatedInternetwork Performance Monitor is a component of CiscoWorks LAN Management Solution. For generic product information go to IPM in CEC.   IPM TopicsWhy I am not able to get daily reports from Internet Performance Monitor?Us...

IntroductionThe 9-slot Cisco Catalyst 6509-E Switch provides high port densities that are ideal for many wiring closet, distribution, and core network as well as data center deployments. The Cisco Catalyst 6509-E supports Cisco Catalyst 6500 Series e...

DescriptionBinary Synchronous Communication: Character-oriented data link layer protocol for half-duplex applications. A form of telecommunication line control that uses a standard set of transmission control characters and control character sequence...

IntroductionThe 6-slot Cisco Catalyst 6506-E Switch provides intermediate port densities, ideal for many wiring closet and core network deployments. Catalyst 6506-E supports Cisco Catalyst 6500 Series end-to-end operational consistency benefits.Impor...

With CiscoWorks QoS Policy Manager you can cover the Implementation and Monitoring of QoS in your network. For general product information visit QPM in CEC.QPM is a member of the CiscoWorks products suite, and is based on CiscoWorks Common Services S...

Build a CafeNet Business Context Hardware Selection Linksys WRV210 Configuration Journal  Build a CafeNet This case study provide a template for a small retail network that includes both Public network (CafeNet) and Private network (BackNet). JavaNet...

Introduction                    The Cisco® Catalyst® 4948 is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1 RU) fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware and software...