layer 2 switching and the spanning tree protocol stp

CCNA P3 V3 Spanning-Tree Protocol Overview

... bridges must recompute the Spanning- Tree Protocol, which disrupts user traffic © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3- 12 Rapid Spanning- Tree Protocol © 20 02, Cisco Systems, Inc ... ICND v2.0—3-9 Spanning- Tree Example © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-10 Spanning- Tree Recalculation © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-11 Spanning- Tree ... states: © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-7 Spanning- Tree Port States (Cont.) © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-8 Spanning- Tree Path Cost © 20 02, Cisco...

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CCNA Layer 2 Switching - Virtual Local Area Networks Lab Scenario

Danh mục: Quản trị mạng

... mask 25 5 .25 5 .25 5.0, default gateway 1 72. 16 .2. 100 Change the IP address of the PC connected to SwitchB port 3x to 1 72. 16.3 .21 , subnet mask 25 5 .25 5 .25 5.0, default gateway 1 72. 16.3.100 10 From the ... address 1 72. 16.1 .20 0 25 5 .25 5 .25 5.0 To set the default gateway for the switch, issue the command ip default-gateway 1 72. 16.1.1 To set the enable password to "secret," issue the command enable ... seen and unseen prior to making the change Section - Viewing Spanning Tree Protocol Information In this section, you will use the basic Spanning Tree Protocol (STP) command show spantree to...

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The lexus and the olive tree

Danh mục: Anh ngữ phổ thông

... Mexican bonds and stocks, and put the money either under their mattresses or into the safest U.S bonds they could find So the declines in Brazil and the other emerging markets became the transmission ... easier for the reader to identify and digest, and I have used the year since the book was originally published in April 1999 to gather more evidence and to update and expand the book with all the technological ... Arbitrage 17 The Lexus and the Olive Tree 29 And the Walls Came Tumbling Down 44 Microchip Immune Deficiency 73 The Golden Straitjacket 101 The Electronic Herd 1 12 Part Two: Plugging into the System...

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Tài liệu Security Essentials Day 2 Threat and the Need for Defense in Depth docx

Danh mục: An ninh - Bảo mật

... can think of these as the “primary colors” of information assurance By mixing and matching these and we mix and match, because they are interrelated we are able to develop either a very strong ... decrypt the passwords Then, with a stolen password, the attacker can execute an integrity attack when they gain entrance to the system And they can even use an availability attack as part of their ... forms and from many different sources There are physical threats, like fires, floods, terrorist activities, and random acts of violence And there are electronic threats like hackers, vandals, and...

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Tài liệu Chapter7 Layer 2 Switching ppt

Danh mục: Chứng chỉ quốc tế

... Spanning Tree Terms Digital Equipment Coporation(DEC)在被收购和重命名为 Compaq 的时候,创建了原始的 STP, 之后 IEEE 创建了自己的 STP 叫做 8 02. 1D 版本的 STP. 和之前的 DEC 的 STP 不兼容 .STP 的主要任务是防止层的循环 ,STP 使用生成树算法 (spanning- tree ... 查找硬件目标地址然后转发它们种模式对帧的读取程度具体如下: Configuring the Catalyst 1900 and 29 50 Switches 1900 是款低端 switch 产品,分为 19 12 和 1 924 系列:19 12 是有 12 个 10BaseT 端口而 1 924 是有 24 个 10BaseT 端口 1900 and 29 50 Switch Startup 当 1900 启动后,先运行 ... 1 72. 16.10.1 1900(config)# 29 50 下的配置是在 VLAN1 接口下配置,VLAN1 是管理 VLAN,默认所有接口均是 VLAN1 的成员,配置如下: 29 50(config)#int vlan1 29 50(config-if)#ip address 1 72. 16.10.17 25 5 .25 5 .25 5.0 29 50(config-if)#no shut 29 50(config-if)#exit...

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Tài liệu Voice over IP Open-Source Platforms and the Session Initiation Protocol doc

Danh mục: Kỹ thuật lập trình

... together with the LCN (in the X .25 packet header), identifies the actual logical channel number of the DTE-DCE link; a 4-bit field representing a number between and 15 Line layer: layer of the ... higher layer Section layer: layer of the OSI physical layer that creates frames, monitors the conditions of the transmission between the SONET equipment, and converts optical signals to and from ... BRI) Process and application layer: Part of the TCP/IP model that performs the same functions as the application, presentation, and session layers of the OSI model Processor: brain of the computer...

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Tài liệu Voice over IP Open-Source Platforms and the Session Initiation Protocol pptx

Danh mục: Kỹ thuật lập trình

... 1 .2. 2 2. 4 1 .2. 3 2. 5 1 .2. 4 2. 6 2. 7 2. 7 VM (Virtual Machine) 2. 8 Release date November 24 , 20 04 February 11, 20 05 April 29 , 20 05 August 19, 20 05 November 23 , 20 05 November 30, 20 05 December 8, 20 05 ... December 8, 20 05 January 23 , 20 06 January 26 , 20 06 February, 2, 20 06 February, 26 , 20 06 March 9, 20 06 March 15, 20 06 April 13, 20 06 The second to the last release in the list now supports a VMware ... quick the pace has been with the development cycle: Copyright 20 06 Global Knowledge Training LLC All rights reserved Page @HomeVersion Asterisk Release 0 .2 0.5 1.0 1.5 2. 0 2. 1 2. 2 1 .2. 1 2. 3 1 .2. 2...

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Tài liệu Cisco Systems - Spanning - Tree protocol overview docx

Danh mục: Quản trị mạng

... bridges must recompute the Spanning- Tree Protocol, which disrupts user traffic © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3- 12 Rapid Spanning- Tree Protocol © 20 02, Cisco Systems, Inc ... ICND v2.0—3-9 Spanning- Tree Example © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-10 Spanning- Tree Recalculation © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-11 Spanning- Tree ... states: © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-7 Spanning- Tree Port States (Cont.) © 20 02, Cisco Systems, Inc All rights reserved ICND v2.0—3-8 Spanning- Tree Path Cost © 20 02, Cisco...

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Spanning tree & rapid spanning tree protocol

Danh mục: Quản trị mạng

... trạng thái Thời gian hội tụ không lâu 15s Rapid spanning tree (IEEE 8 02. 1w) thực thay spanning tree (IEEE 8 02. 1d) 13 Rapid Spanning Tree Protocol (RSTP) 14 ... bắt đầu truyền liệu user, học địa MAC xử lí gói BPDU 12 Rapid Spanning Tree Protocol (RSTP) Giao thức Rapid spanning – tree theo chuẩn IEEE 8 02. 1w : Làm rõ vai trò trạng thái port Định nghĩa loại ... instability Spanning tree Lớp trường TTL (Time to Live) Spanning tree : Cho phép tạo cấu trúc luận lý không vòng lặp vòng lặp vật lý TREE TREE : cấu trúc logic hình hình mở rộng Thuật toán Spanning tree...

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Chapter 5: Spanning Tree Protocol pdf

Danh mục: Chứng chỉ quốc tế

... PVST + (cont) 37 RSTP • • • RSTP (IEEE 8 02. 1w) is an evolution of the 8 02. 1D standard RSTP speeds the recalculation of the spanning tree when the Layer network topology changes RSTP can achieve ... forwarding and the switch has a designated port When a change is detected, the switch notifies the root bridge of the spanning tree The root bridge then broadcasts the information into the whole ... BPDU frame, they compare the root ID from the BPDU frame with the local root ID – If the root ID in the BPDU is lower than the local root ID, the switch updates the local root ID and the ID in...

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Basic Spanning Tree Protocol pps

Danh mục: Quản trị mạng

... the debug output from the non-root switches In this example we record the output from S2 and S3, since they are the non-root switches S2# 1w2d: S2# 1w2d: state 1w2d: S2# 1w2d: 1w2d: 1w2d: 1w2d: ... 19 19 19 Prio.Nbr - 128 .2 128 .6 128 .11 128 .18 Type -P2p P2p P2p P2p S3#show spanning- tree VLAN0001 Spanning tree enabled protocol ieee Root ID Priority 327 69 Address 0019.068d.6980 ... the command debug spanningtree events S1#debug spanning- tree events Spanning Tree event debugging is on S2#debug spanning- tree events Spanning Tree event debugging is on S3#debug spanning- tree events...

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Test Topic 2 : Nature and the environment pot

Danh mục: Cao đẳng - Đại học

... part of the country, the earth / theland / the soil is quite expensive Suddenly we saw a ship appear on the atmosphere / horizon / sky We were saved ! Most animals will attack you to protect their ... when the apple trees are in blooming / blossom / flowers Something must be done to protect wild / wilderness / wildlife When I want to relax, I go for a walk in the countryside / the nature / the ... 12 _ consevation, I believe that the government should impose controls Exercise Choose the most suitable word underlined Could you close the window ? There’s a bit of a...

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CCNP Switching Lab Rapid Spanning Tree (rất dài) doc

Danh mục: Tài liệu khác

... 20 0000 128 .3 P2p witchB# 01 :23 :24 : MSTP(0): updt roles 01 :23 :24 : MSTP(0): updt roles 01 :23 :24 : MSTP(0): Fa0 /2 is now root port 01 :23 :25 : %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, ... 128 .2 P2p Fa0/4 Altn BLK 20 0000 128 .4 P2p Fa0/9 Desg FWD 20 0000 128 .9 Edge P2p Cuối dựt port1,4, xem có chuyển qua port để root hay không: SwitchA# 01:19 :29 : MSTP(0): updt roles 01:19 :29 : MSTP(0): ... ip address 1 92. 168.1 .2 255 .25 5 .25 5.0 ! ip classless ip http server end SwitchB ! hostname SwitchB ! ip subnet-zero ! spanning- tree mode mst spanning- tree extend system-id spanning- tree vlan priority...

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Chapter 5 - Spanning Tree Protocol CCNA pdf

Danh mục: Quản trị mạng

... failure, STP recalculates the paths and unblocks the necessary ports to allow the redundant path to become active active Học viện mạng Bách Khoa - Website: www.bkacad.com 21 Spanning- Tree Protocol ... configured for during the spanning- tree process Root Port • The root port exists on non-root bridges and is the switch port with the best path to the root bridge Designated Port • The designated port ... www.bkacad.com 23 The Root Bridge • Every spanning- tree instance (switched LAN or broadcast domain) has a switch designated as the root bridge The root bridge serves as a reference point for all spanning tree...

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TEST 2 : Nature and the environment pps

Danh mục: Cao đẳng - Đại học

... part of the country, the earth / theland / the soil is quite expensive Suddenly we saw a ship appear on the atmosphere / horizon / sky We were saved ! Most animals will attack you to protect their ... when the apple trees are in blooming / blossom / flowers Something must be done to protect wild / wilderness / wildlife When I want to relax, I go for a walk in the countryside / the nature / the ... 12 _ consevation, I believe that the government should impose controls Exercise Choose the most suitable word underlined Could you close the window ? There’s a bit of a...

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