Ppt on network switching device

4/6/2017 Cisco Live 2013.

VM VM VM VM VM VM VM-FEX Basics Fabric Extender for VMs Hypervisor vSwitch removed Each VM assigned a PCIe device Each VM gets a virtual port on physical switch VM-FEX: One Network Collapses virtual and physical switching layers Dramatically reduces network management points by eliminating per host vSwitch Virtual and Physical traffic treated the same Host CPU Cycles Relief Host CPU cycles/


Part 2 Logical Network Design

information should be separate from the front-end Web server that users see. Securing Remote-Access and Virtual Private Networks (VPN) Physical security Firewalls Authentication, authorization, and auditing Encryption One-time passwords Security protocols CHAP RADIUS IPSec Securing Network Services Treat each network device (routers, switches, and so on) as a high-value host and harden it against possible intrusions Require login IDs and passwords/


Sem 1 V2 Chapter 3 Local Area Networks LANS C. Marandola Cisco I Fall 2001 Community College of Rhode Island, Cisco Regional Academy.

each port with full bandwidth Routers The symbol for a router is suggestive of its two primary purposes path selection, and switching of router routes, and packets. Each router interface is connected to a different network or network segment, hence it is considered an inter-networking device. The purpose of a router is to examine incoming packets, choose the best path for them through the/


Changing the Rules of Networking Introduction to the new HP Networking portfolio Alexander Kudryashov Networking Architect Alexander.Kudryashov@hp.com.

April 2017 V-Family Summary Design Center Key Product Attributes The V-Family is designed to meet the wired switching, wireless, and WAN networking needs of small businesses (<100 nodes) Customer: Do it yourself/non-technical small business Key Product Attributes Device Management Single-Device management Web GUI No centralized management Limited CLI/SNMP support Design Center SW is bug fix only HW is/


[Storage] Version 1.2 1.

Bus Adapter (HBA) HBAs are used to connect each host to the FC SAN. Host Bus Adapters consists of hardware and drivers. It is intelligent, providing negotiation with switches and devices attached to the network. It also provides processing capabilities that minimize CPU overhead on the host. Cabling – Copper and Fiber Optic cables are two types of cables used in SANs. iSCSI Technology/


Virtual LAN.

subnets? Could they communicate within their own subnet? Yes Between subnets? No, need a router. Same issues as before, with more of an impact on the network. Using Switches Layer 2 devices Moderate expense for common access switches, but can be very expensive. Layer 2 filtering based on Destination MAC addresses and Source Address Table One collision domain per port One broadcast domain Two/


Introduction to Computer Networks

a train and the yard maintenance system. VRM & RVT Training Program - Vehicle Familiarization WLAN communication via the MCGs TIN DIAGRAM Network Hardware and Software. Switch A switch is a computer network device that connects network segments. Network switches are capable of inspecting data packets as they are received, determining the source and destination device of that packet, and forwarding it appropriately. By delivering each message only to the connected/


@ONE Spring Hands-On Institute 2-1 Los Medanos College Introduction to Cisco Network Devices Mark McGregor, Instructor April, 2005.

Encapsulation) Ethernet Frame 1500 bytes plus 18 byte header (1518 bytes) Standard NIC cards and networking devices don’t understand this giant frame. A Cisco switch must remove this encapsulation before sending the frame out on an access link. @ONE Spring Hands/1q Tag Type/Length Field Data (max 1500 bytes) CRCNew CRC NIC cards and networking devices can understand this “baby” giant frame (1522 bytes). However, a Cisco switch must remove this encapsulation before sending the frame out on an access link. Tag/


Communication and Network Concepts

Concepts Computer Science Objectives What is a network? Need for networking Evolution of Networking Switching Techniques Transmission media Data Communication Technologies Types of Networks Network Topologies Network Devices Communication Protocols Wireless/Mobile Computing Network Network, in computer science, a group of computers and associated devices that are connected by communications facilities. Network is an inter connected collection of autonomous computers. When two or more computers are joined/


Excerpt from Interconnection Networks Computer Architecture: A Quantitative Approach 4 th Edition, Appendix E Timothy Mark Pinkston University of Southern.

beforehand »Fairness is not guaranteed ›Token ring—provides fairness »Owning the token provides permission to use network media Node token holder X Interconnection Networks: © Timothy Mark Pinkston and José Duato...with major presentation contribution from José Flich 7 Interconnecting Many Devices Shared-media Networks SwitchingSwitching is straightforward –The granted device connects to the shared media Routing –Routing is straightforward –Performed at all the potential destinations ›Each/


Week#13 Networking Types, Devices, and Cabling

send and receive, but not at the same time True or false Networking devices & cables Networking devices & cables Answer True Networking devices & cables Networking devices & cables Which type of network device keeps a table of the MAC addresses of the devices connected to it? ___________ Fill in the blank Networking devices & cables Networking devices & cables Answer A switch Networking devices & cables Networking devices & cables   What device should you consider if you want to have access to hard drives/


Chapter 8: Troubleshooting Converged Networks

markings consistently across wireless-to-wired boundaries is important. Other potential issues – Can be related to the network services typically provided by the switches that are connected to APs (such as POE). Additional details for slide: Filtering issues If any /Mutation Map: Default DSCP Mutation Map Trust device: None qos mode: port-based A trust boundary is the point within the network where QoS markings such as DSCP are first accepted. By default, switch ports will reset DSCP values unless you /


UNIT-1. Overview Peer-to-Peer Networks Server based Networks Broadcast Networks Point-to-Point Networks Circuit Switching. Packet Switching. Message Switching.

from telephone networkSwitched Ethernet Same packet format and signaling as broadcast Ethernet, but only two machines on each ethernet. Switching Switched network A switched network consists of a series of interlinked nodes, called switches. Switches are devices capable of creating temporary connections between two or more devices linked to the switch. For example: computers or telephones Taxonomy of switched networks CIRCUIT-SWITCHED NETWORKS CIRCUIT-SWITCHED NETWORKS A circuit-switched network consists/


Chapter 7: Troubleshooting Network Performance Issues

the processing of access-lists or quality of service (QoS) features. The backplane of a switch is designed for very high switching capacity. The limiting factor in throughput on a switched network is usually the capacity of the links between the devices, not the capacity of the backplanes of the switches. The backplane may become a bottleneck and needs to be taken into account to correctly/


Chuong Huynh National Center for Biotechnology Information,

their MAC addressees.  Be blocking the unnecessary traffic to enter the other part of the network segments, it reduces the amount of traffic and the other issues such network congestions and the bottleneck.  There are following three common types of the bridges. Switches A network switch is a LAN/WAN communication device. It joins the multiple computers together in the LAN and WAN.  In the LAN/


ICND -1 Interconnecting Cisco Networking Devices Assembled By David Roberts Knowing what you DON’T know is more important than what you DO know. It takes.

an all-or- nothing migration from 10BASE-T to 100BASE-T networks. These devices are often known as dual-speed hubs, since the traffic between devices connected at the same speed is not switched.Fast Ethernet10BASE-Tdual speed hub10BASE-TMbit100BASE-TMbit Module 2 - Ethernet Local Area Networks – Part 4 More advanced networks More advanced networks Simple switched Ethernet networks, while an improvement over hub based Ethernet, suffer from a/


Ethernet Basics Ethernet <> Industrial Ethernet PROFINET

target address is read in, so extremely fast (typically 40 usec) Invalid frames are not filtered (not till the terminal devices) Store & forward switching Data packets first stored temporarily then switched Storing enables filtering of invalid frames or broadcasts -> clean networks Ethernet Basics Switches by SIMATIC NET ELS TP40, ELS TP40M ELS TP80 ESM ITP80 ESM TP80, ESM TP40 OSM ITP80 OSM TP62, OSM TP22/


Hubert Kirrmann ABB Switzerland Ltd, Corporate Research

. Operation is nevertheless serial redundancy, i.e. requires a certain time to change the routing. Devices are doubly-attached, but do not operated in parallel. Dynamic and static redundancy in networks switch switch switch switch switch switch switch in case of failure, switches route the traffic over an other port – devices are singly attached Static network B network A in case of failure the doubled attached nodes work with the remaining channel. Well/


Chapter 11 Ubiquitous Communication

Work users Phones connect to a private circuit switched network or Private Branch Exchange (PBX) to access external networks. etc. Ubiquitous computing: smart devices, environments and interaction Ubiquitous computing: smart devices, environments and interaction PSTN Ubiquitous computing: smart devices, environments and interaction Ubiquitous computing: smart devices, environments and interaction PSTN Core network orig. circuit switched not packet-switched networks Designed to 1st set up dedicated circuit/


CSCD 218 : DATA COMMUNICATIONS AND NETWORKING 1

CSCD 218 : DATA COMMUNICATIONS AND NETWORKING 1 LECTURE 2 INTRODUCTION AND BASIC CONCEPTS CIRCUIT SWITCHING,PACKET SWITCHING, FRAME RELAY AND NETWORK TOPOLOGIES LECTURER : FERDINAND KATSRIKU (PhD) Simple Switching Network Switched Communications Networks Long distance transmission between stations (called “end devices”) is typically done over a network of switching nodes. Switching nodes do not concern with content of data. Their purpose is to provide a switching facility that will move the data from node /


Sanjay Goel, School of Business 1 Internet Communications, Networking & Computer Security Sanjay Goel University at Albany.

) Bridge connects two LANS or two segments of the same LAN –Protocol Independent –Operates on ethernet frames –L2 switch –Uses physical addresses (mac addresses) Routing Devices Sanjay Goel, School of Business 93 Router is a network layer switch (host to host) –Also called L3 switch –Uses network addresses –Operates on packets Gateway is a generic term for an internetworking system –Can be implemented in software and/


CSE 550 Computer Network Design

Mesh Redundant Campus/LAN Enterprise/WAN Secure CSE-550-T062 Lecture Notes - 6 Flat Network Topologies Flat Network Topologies Generally used for very small networks Each network device (e.g., hub, switch, …) is used for a general rather than specific purpose Most network components are used for simple broadcasting and providing limited switching capabilities Based on a common broadcast domain There is no hierarchy Not generally created in/


Chapter 6: Topologies and Access Methods

travel from one network device to all other devices on the network In a ring logical topology signals follow a circular path between sender and receiver Logical topologies is useful when troubleshooting and designing networks Network + Switching A component of a network’s logical topology that determines how connections are created between nodes There are three methods for switching: circuit switching, message switching, and packet switching Network + Switching (continued) Circuit Switching A connection is/


Next Generation Network Security Tech.

, 1Gbps performance, intrusion protection module delivering a high-value security service in the core and distribution network fabric device Designed specifically to address switched environments by integrating the IDS functionality directly into the switch and taking traffic directly from the switch backplane No impact on switch performance Full-featured network attack protection, extensive signature coverage, supports 1000 new flows per second, simultaneous monitoring of multiple VLANs Availability/


Sanjay Goel, School of Business 1 Internet Communications, Networking & Computer Security Sanjay Goel University at Albany.

) Bridge connects two LANS or two segments of the same LAN –Protocol Independent –Operates on ethernet frames –L2 switch –Uses physical addresses (MAC addresses) Routing Devices Sanjay Goel, School of Business 68 Router is a network layer switch (host to host) –Also called L3 switch –Uses network addresses –Operates on packets Gateway is a generic term for an internetworking system –Can be implemented in software and/


Chapter 5: Networking Hardware

bridge, the bridge establishes a filtering database (also known as a forwarding table) of known MAC addresses and their locations on the network Network + Switches Switches are connectivity devices that subdivide a network into smaller logical pieces, or segments Switches interpret MAC address information Most switches have an internal processor, an operating system, memory, and several ports that enable other nodes to connect to it Because they have/


ECS 152A 9. Local Area Networks. LAN Applications (1) Personal computer LANs —Low cost —Limited data rate Back end networks —Interconnecting large systems.

standards for bridge protocols dictate no closed loops —Only one path between any two devices —Impossible in standards-based implementation to provide multiple paths through multiple switches between devices Limits both performance and reliability. Solution: break up network into subnetworks connected by routers MAC broadcast frame limited to devices and switches contained in single subnetwork IP-based routers employ sophisticated routing algorithms —Allow use of multiple/


CIST 1601 Information Security Fundamentals

beyond the economy or scale of all but the largest businesses. After a NOC is developed and implemented it must be constantly evaluated and changed as needed. Understanding the Different Network Infrastructure Devices - Firewalls Firewalls, Routers, and Switches (7:47) All-in-one Security Appliances and Spam Filters (2:36) A firewall is a component placed on computers and/


ITEC 275 Computer NetworksSwitching, Routing, and WANs Week 5 Robert D’Andrea Some slides provide by Priscilla Oppenheimer and used with permission.

performance, security, manageability, usability, adaptability, and affordability Logical and Physical Design Logical design – Topology – Models for addressing and naming – Switching and routing protocols – Security strategies – Network management strategies Physical design – Actual technologies and devices Implementation Plan Recommendations for deploying the network design Project schedule – Including any dates and times for service provider installations Any plans for outsourcing Training Risks A fallback/


Chapter Six Networking Hardware.

Describe the factors involved in choosing a network adapter, hub, switch, or router Describe the functions of repeaters, hubs, bridges, switches, and gateways Describe the uses and types of routing protocols Network Adapters Also called network interface cards (NICs) Connectivity devices enabling a workstation, server, printer, or other node to receive and transmit data over the network media In most modern network devices, network adapters contain the data transceiver Types/


Prepared by: Roger Yue Date: Sep 2012

Signal Light Control Potential: $25K EAU-$25K; Antaira Solution STE-604C LNP-1002GN-T Why Antaira? Reliable Operation under Extreme Temperature Variations Multi Ports Serial Device Servers for Serial Traffic Controller & Priority Sensors networking Industrial PoE Managed Switch supports New PoE camera & Gigabit Fiber uplink to TMC Confidential Toll Plaza Applications Potential: $1M EAU-$250K; 2~3yrs Toll Plaza Applications Antaira Solution FCU/


Chapter 7. Backbone Networks

is relatively simple since equipment is all in the same location. Figure 7-9. Rack-based Collapsed backbone network design. Chassis-based Collapsed Backbones Uses a large chassis switch that has slots into which modules (i.e., card-mounted networking devices) can be inserted. Chassis switch designs include a number of open slots and have an internal capacity capable of supporting all active modules. Turn/


Copyright 2004 TMA Training Center 1 Networking Overview Loan Pham, Ph.D. Oct 2004.

Circuits A virtual circuit is a logical circuit created to ensure reliable communication between two network devices There are two types: SVCs (switched virtual circuits) PVCs (permanent virtual circuits) Copyright 2004 TMA Training Center 69 SVCs SVCs/signals produced by computers into bipolar digital signals suitable for transmission over a switched digital network Copyright 2004 TMA Training Center 80 ISDN Terminal Adapter is a device used to connect ISDN Basic Rate Interface (BRI) connections to other /


8. Network Devices ENG224 INFORMATION TECHNOLOGY – Part I

be considered as multiport bridges By having multiports, can better use limited bandwidth and prove more cost-effective than bridge Cisco Catalyst 2900 switch Switches divide a network into several isolated channels ENG224 INFORMATION TECHNOLOGY – Part I 8. Network Devices Switches divide a network into several isolated channels Packets sending from 1 channel will not go to another if not specify Each channel has its own capacity/


What is Networking? Lets go see! A network adapter interfaces a computer to a network. The term "adapter" was popularized originally by Ethernet add-in.

between masks and addresses.Internet Protocol (IP) Also Known As: subnetwork NETWORKING TERMS (THE SHORT LIST) A network switch is a small hardware device that joins multiple computers together within one local area network (LAN). Technically, network switches operate at layer two (Data Link Layer) of the OSI model.Network switches appear nearly identical to network hubs, but a switch generally contains more intelligence (and a slightly higher price tag) than/


1 © 2009 Cisco Learning Institute. CCNA Security Chapter Six Securing the Local Area Network.

91 © 2009 Cisco Learning Institute. World Wide Name A 64-bit address that Fibre Channel networks use to uniquely identify each element in a Fibre Channel network Zoning can utilize WWNs to assign security permissions The WWN of a device is a user-configurable parameter. Cisco MDS 9020 Fabric Switch 92 © 2009 Cisco Learning Institute. Zoning Operation Zone members see only other members of/


These are devices that will connect you to a wireless network or a WAN environment. These devices are only quickly mentioned here because they appear again.

segments, thus acting as a filtering device to improve network performance. A switch filters network traffic by sending data only to the port on the switch where the destination system resides. Switches are replacing hubs, and network administrators who wish to improve network performance should replace their hubs with switches. Networking Components: 3.06 Other Networking Devices Gateways and Security Devices q A gateway is a device that is used to join dissimilar environments/


Network+ Guide to Networks 6 th Edition Chapter 6 Network Hardware, Switching, and Routing.

7 data Advantages –Advanced filtering –Keeping statistics –Security functions Network+ Guide to Networks, 6 th Edition41 Content and Multilayer Switches (cont’d.) Distinguishing between Layer 3 and Layer 4 switch –Manufacturer dependent Higher-layer switches –Cost more than Layer 2 switches –Used in network backbone Network+ Guide to Networks, 6 th Edition42 Routers Multiport connectivity device –Directs data between network nodes –Integrates LANs and WANs Different transmission speeds, protocols Operate/


1 Cabrillo College CCNP – Multilayer Switching Introduction to VLANs Introduction to VLANs Rick Graziani, Instructor March 27, 2001.

Encapsulation) Ethernet Frame 1500 bytes plus 18 byte header (1518 bytes) Standard NIC cards and networking devices don’t understand this giant frame. A Cisco switch must remove this encapsulation before sending the frame out on an access link. 53 ISL n/1q Tag Type/Length Field Data (max 1500 bytes) CRCNew CRC NIC cards and networking devices can understand this “baby giant” frame (1522 bytes). However, a Cisco switch must remove this encapsulation before sending the frame out on an access link. Tag Protocol/


Virtual LAN (VLAN) W.lilakiatsakun. VLAN Overview (1) A VLAN allows a network administrator to create groups of logically networked devices that act as.

Trunk (1) A trunk is a point-to-point link between one or more Ethernet switch interfaces and another networking device, such as a router or a switch. A trunk is a point-to-point link between one or more Ethernet switch interfaces and another networking device, such as a router or a switch. Ethernet trunks carry the traffic of multiple VLANs over a single link. Ethernet trunks/


CIS 1140 Network Fundamentals Chapter 6 – Network Hardware Collected and Compiled By JD Willard MCSE, MCSA, Network+, Microsoft IT Academy Administrator.

passwords are case sensitive so enter it in all lower case letters. Objectives Identify the functions of LAN connectivity hardware Install, configure, and differentiate between network devices such as, NICs, hubs, bridges, switches, routers, and gateways Explain the advanced features of a switch and understand popular switching techniques, including VLAN management Explain the purposes and properties of routing Describe common IPv4 and IPv6 routing protocols/


CHABOT COLLEGE CISCO NETWORKING ACADEMY Semester 4 Chapter 2 WANs.

links or for virtual links consisting of multiple physical links. CHABOT COLLEGE CISCO NETWORKING ACADEMY Packet-Switched Connections Network devices share a (PVC) permanent virtual circuit to transport packets from a source to a destination across a carrier network, Switched networks can carry variable-size frames or fixed-size cells. The most common packet-switched network type is Frame Relay. Others include X.25 and SMDS CHABOT COLLEGE CISCO/


WAN Technology. Introduction A WAN is a data communications network that covers a relatively broad geographic area and often uses transmission facilities.

the Internet. Several options are available for WAN connectivity: – Leased line : Point-to-Point connection between two computers or Local Area Networks (LANs) – Circuit switching : A dedicated circuit path is created between end points. Best example is dialup connections – Packet switching : Devices transport packets via a shared single point- to-point or point-to-multipoint link across a carrier internetwork. Variable length packets are/


NETWORKING COMPONENTS ALEX TARABA LTEC4550.020 20 OCTOBER 2014.

other end will be garbled and unusable. COMPONENT #2: SWITCH A network switch is a computer networking device that connects devices together on a computer network, by using a form of packet switching to forward data to the destination device. A network switch is considered more advanced than a (repeater) hub because a switch will only forward a message to one or multiple devices that need to receive it, rather than broadcasting the/


Module 4 – Switching Concepts CCNA 3 Cabrillo College.

builds a bridging table and forwards or blocks traffic based on that table. This results in smaller collision domains and greater network efficiency. Bridges do NOT restrict broadcast traffic. Switches Switches create a virtual circuit between two connected devices, establishing a dedicated communication path between two devices. Switches on the network provide micro- segmentation. This allows maximum utilization of the available bandwidth. Broadcast frames to all connected/


Computer Networks- Course Objectives & Scope - 1 1 Computer Networks (EENG 4810)

37 Nuts and Bolts view of Computer Network with Internet- Network of Networks Overview of Computer Networks - 11 38 Network Building Blocks Switch - connects computing devices to host computers, allowing a large number of devices to share a limited number of ports Router - a Protocol-dependent device that connects sub-networks together Bridge - a device that interconnects local or remote networks Gateway - a device that can interconnect networks with different, incompatible communications Overview of/


Chapter 6 Network Theory prepared by Mark Beier Edited By Richard Goldman.

Bridging A method of bridging that can connect Token Ring and Ethernet networks.A method of bridging that can connect Token Ring and Ethernet networks. Switch A connectivity device that logically subdivides a network into smaller, individual collision domains.A connectivity device that logically subdivides a network into smaller, individual collision domains. A switch operates at the Data Link Layer of the OSI Model and can interpret MAC/


POSTECH 1/62 CSED702Y: Software Defined Networking James Won-Ki Hong Department of Computer Science and Engineering POSTECH, Korea

low  Store large amount of flow entries with bound (theoretically)  Under active development, support most recent OpenFlow spec.  Hybrid OpenFlow Switch  A virtual switch with specialized hardware device  Much faster than software-based switches POSTECH 4/62 CSED702Y: Software Defined Networking Hardware-basd OpenFlow Switches Ciena Coredirector NEC IP8800 More coming soon... Juniper MX-series HP Procurve 5400 Pronto 3240/3290 WiMax (NEC) PC Engines Netgear/


01_NF_Ch09 - Ethernet CCNA Exploration Network Fundamentals.

Ethernet Collision Management The introduction of switches to replace hubs in Ethernet-based networks Switches can control the flow of data by isolating each port and sending a frame only to its proper destination (if the destination is known), rather than send every frame to every device. The switch reduces the number of devices receiving each frame, which in turn reduces or minimizes the possibility of/


1. 2 2 Switch Volume II D-Link Switching Advanced Technology.

Multicast Support Page is Animated Multicast Stream Media Server Multicast Stream PCs With IGMP Snooping Support Multicast Stream Multicast in D-Link Switching Environment IGMP Snooping Computers and network devices which want to receive multicast traffic need to inform nearby routers / switches that they will become members of a multicast group. IGMP is used to communicate this information. IGMP also periodically checks for members/


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