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Chapter 5 - Ethernet
Chapter 5 - Ethernet

... • If a data signal is absent, indicating that the media is free, the device transmits the data • If signals are then detected that show another device was transmitting at the same time, all devices stop sending and try again later • While Ethernet networks are designed with CSMA/CD technology, with ...
BSG 8ew 1.0 Solution Guide
BSG 8ew 1.0 Solution Guide

... connectivity options is presented in Figure 1 WAN connectivity options (page 10). Possible options are: ...
Ch-5 Presentation
Ch-5 Presentation

... • Originally Ethernet was a half-duplex technology. • Using half-duplex, a host could either transmit or receive at one time, but not both. • If the network is already in use, the transmission is delayed. • When a collision occurs, the host that first detects the collision will send out a jam signal ...
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... Cisco IWAN App (or the Cisco IWAN on APIC-EM) extends Software Defined Networking to the branch with an application-centric approach based on business policy and application rules. This provides IT centralized management with distributed enforcement across the network. Cisco IWAN App automates and o ...
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... http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html CCDE, CCENT, Cisco Eos, Cisco Lumin, Cisco Nexus, Cisco StadiumVision, Cisco TelePresence, the Cisco logo, DCE, and Welcome to the Human Network are trademarks; Changing the Way We Work, Live, Play, and Learn and Cisco Store are service ...
Cisco MDS 9148S 16G Multilayer Fabric Switch Data Sheet
Cisco MDS 9148S 16G Multilayer Fabric Switch Data Sheet

... flexible, and low-cost Cisco MDS 9100 Series switches. It combines high performance with exceptional flexibility and cost effectiveness. This powerful, compact one rack-unit (1RU) switch scales from 12 to 48 line-rate 16 Gbps ...
Ad hoc wireless multicast routing
Ad hoc wireless multicast routing

... member of a particular multicast group. But sender doesn’t need. Deliveries of multicast packets from multicast senders to all intended multicast members are handled by network, with help from multicast routing protocol. ...
Smart Install * Tutorial 1 (Default Settings)
Smart Install * Tutorial 1 (Default Settings)

... Director(config-vstack-group)#image tftp://10.0.0.10/c3560e-universal-tar.122-52.SE.tar Director(config-vstack-group)#config tftp://10.0.0.10/3560e-24-built-in-config.txt Director(config)# exit Director(config)# vstack group built-in 2960 24 Director(config-vstack-group)# image tftp://10.0.0.10/c296 ...
March 31, 2006 - Cisco Communications for the Small or Branch Office
March 31, 2006 - Cisco Communications for the Small or Branch Office

... • Network privacy (Proxy/NAT equivalent) Provides the ability to “Peer” with other networks and only provide a single address/port hiding internal topology of a SP Network ...
Virtualizing an OpenWrt CPE - Computer Networks and Distributed
Virtualizing an OpenWrt CPE - Computer Networks and Distributed

... Customer Premises Equipment (CPE) such as a SamKnows box. The compiled test binary can later be remotely installed on the CPE. However the CPE, usually does contain the development tools required to introspect a binary. It’s also not wise to try to build the development tools on the CPE hardware any ...
Distance Vector Routing Protocols
Distance Vector Routing Protocols

... – RIP sending out periodic updates – RIP using 4 different timers to ensure information is accurate and convergence is achieved in a timely manner – EIGRP sending out triggered updates ...
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... users to configure IP addressing functions such as the WAN IP address and the voice and data VLAN IP address. The wizard also adds configuration options for automated attendant, business schedules, localization, inbound and outbound dial plans, users and phones, and call blast and hunt groups. The V ...
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... routing device with a single Routing Engine or dual Routing Engines. You will learn how to log in to the router management console interface for the first time, how to log in to your routing device’s management Ethernet port, and how to start the command-line interface (CLI) in configuration mode. F ...
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... On ALE, there are four corresponding unicast extended output queues (EoQs) for each NFE egress port. NFE uses the OOBFC signaling channel to tell ALE when to stop or when to resume sending traffic to NFE on a peregress-port and per-unicast-class basis. When ALE is instructed to stop sending traffic ...
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... Multicast stream source = origin of multicast stream multicast address = an IP address in the Class D range (224.0.0.0 – 239.255.255.255), used to refer to multiple recipients. A multicast address is also called a multicast group or channel. multicast stream = stream of IP packets with multicast add ...
Distance Vector Routing Protocols
Distance Vector Routing Protocols

...  The age of routing information in a routing table is refreshed each time an update is received. This way information in the routing table can be maintained when there is a topology change. Changes may occur for several reasons, including:  Failure of a link  Introduction of a new link  Failure ...
What is Cisco Remote-PHY Solution
What is Cisco Remote-PHY Solution

... In the emerging markets, most triple-play consumers live in multi-tenant buildings (referred to as Multi Dwelling Units or MDU) with the number of residents usually being less than 500 residents per building or cluster. These buildings are typically served by fiber with one of several “final 100 met ...
SwitchBlade® x908 [Rev ZJ]
SwitchBlade® x908 [Rev ZJ]

... unauthorized device becoming the STP Root Bridge. ...
Multicasting and Multicast Routing Protocols
Multicasting and Multicast Routing Protocols

... The group needs to choose an address from the SSM block (232.0.0.0/8) There is no need to get permission to use an address in this block, because the packets in source-specific multicasting are routed based on the group and the source address; they are unique ...
Cisco Industrial Ethernet 3000 Layer 2/Layer 3 Series Switches Data
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... traffic to only the requestors. An additional querier allows this operation in a Layer 2 only environment. ● IGMP filtering provides multicast authentication by filtering out no subscribers and limits the number of concurrent multicast streams available per port. ● Per-port broadcast, multicast, and ...
(CCNA) 5.CISCO Routing Protocols
(CCNA) 5.CISCO Routing Protocols

... – RIP sending out periodic updates – RIP using 4 different timers to ensure information is accurate and convergence is achieved in a timely manner – EIGRP sending out triggered updates ...
Distance Vector Routing Protocols
Distance Vector Routing Protocols

... © 2007 Cisco Systems, Inc. All rights reserved. ...
Juniper / Cisco Interoperability Cookbook
Juniper / Cisco Interoperability Cookbook

... Because Juniper EX Series and QFX Series switches forward CDP messages in regular Ethernet frames, a standard Ethernet switching configuration will work. Similarly, CDP is enabled by default on most Cisco devices, so no additional configuration is needed. ...
EE689 Lecture 12
EE689 Lecture 12

... propagate leave messages upstream to reduce unnecessary traffic • Frequent polling can increase overhead • Separate protocols for finding group membership address - sd ...
RSVP Path computation request and reply messages
RSVP Path computation request and reply messages

... Examples (distributed / cooperative): distributed FRR backup tunnel path computation in draft-leroux-pce-backup-comp-frwk, distributed inter-domain path computation (see draft-farrel-ccamp-inter-domain-framework and draft-vasseurccamp-inter-domain-path-comp (in both scenarios))  PCE=LSR Examples (c ...
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Spanning Tree Protocol



The Spanning Tree Protocol (STP) is an older network protocol that ensures a loop-free topology for any bridged Ethernet local area network. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning tree also allows a network design to include spare (redundant) links to provide automatic backup paths if an active link fails, without the danger of bridge loops, or the need for manual enabling/disabling of these backup links.Spanning Tree Protocol (STP) was originally standardized as IEEE 802.1D, in 802.1d-1998, but much of the functionality (spanning tree, rapid spanning tree, multiple spanning tree) previously specified in 802.1D, 801.1s, 802.1w has been incorporated into IEEE 802.1Q-2014 which includes shortest path bridging, the IEEE sanctioned replacement for these spanning tree functions.As the name suggests, it creates a spanning tree within a network of connected layer-2 bridges (typically Ethernet switches), and disables those links that are not part of the spanning tree, leaving a single active path between any two network nodes. STP is based on an algorithm that was invented by Radia Perlman while she was working for Digital Equipment Corporation.
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