routing and switching essentials

Discover routing and switching essentials, include the articles, news, trends, analysis and practical advice about routing and switching essentials on alibabacloud.com

Differences between layer-3 switching and Routing

Differences between traditional switching and Routing After a layer-3 switch routes the first data stream, it will generate a ing table between the MAC address and IP address. When the same data stream passes through again, the table is directly routed from the second layer instead of the second layer, which eliminates the network delay caused by router selection and improves the efficiency of packet forwar

How to Use MRTG to monitor routing and switching devices (1)

The work done by a truly qualified network administrator should not be limited only after a network fault occurs. Although it is not too late, the loss is inevitable. So, how can we effectively monitor the network status, identify network faults in the first time, prevent problems in the network, and rationally divide bandwidth resources? Monitoring Network Traffic can effectively solve the above problems. Now I want to introduce MRTG, an expert in the network traffic monitoring field. In this a

How can we meet the challenges of routing networks and switching technologies?

In the past, vrouters and hubs were often used in the network, but now many networks use vswitches. How do I face the challenges of routing networks and switching technologies? Currently, vswitches are dominant in the network market, because of their high cost effectiveness and flexible structure. They can be flexibly configured with future application changes. Numbers can best indicate problems. In a vswit

Computer network administrator (Routing and switching) Shenzhen classes

student can get adequate counseling time;2. Specially arranged teaching and actual combat experienced expert teacher every week Six Sunday from Guangzhou to Shenzhen to attend classes; 3. Arrange the tutor for two nights a week to get the students to master the knowledge in the shortest time.Of course, but also inseparable from the efforts of the students and cooperation, they opened the company-school-Home 3.1-line learning mode, weekend weekends are devoted to learning. After the first week,

Routing and switching under Linux-part 1th

Tags: local disable NIC name sys mod CONF requires netmask technology sharingTo execute a command in command-line mode:This is the host's routing table, the host to access the Internet, you must set the legal IP parameters, including: Ip/netmask/gateway/route/dns IP and host name, etc.Ip/netmask is used to confirm the host network, and to determine whether the target host and the host is in the same network;Gateway is mainly used for communication bet

The difference between switching and routing

switched network is a large broadcast domain, broadcast messages scattered over the entire switched network. While routers can isolate broadcast domains, broadcast messages cannot continue to be broadcast through the router.6, media-Related: The switch as a bridge device can also complete the transformation between the different link layer and the physical layer, but this conversion process is more complex, not suitable for ASIC implementation, it is bound to reduce the switch forwarding speed.

Easy to understand "Routing and switching"

Routing and switching are two important concepts in the network world. The traditional exchange occurs in the second layer of the network, which is the data link layer, while the routing occurs in the third layer, the network layer. In the new network, the intelligent and exchange performance of the routing is organica

Cisco advanced Routing and Switching (Cisco section) 5-day operation

Tags: routing switching technology HSRP working principle three-layer Exchange STP function DHCP serviceFirst, the questionDay 011. What is a Vlan? What does VLAN do? is the interface of the default switch in that VLAN? What kind of Vlan??2. What is Trunk? What is the mode of Trunk? How to negotiate?3. What is the role of EtherChannel?4. What is DHCP? What is the role of DHCP?Day 021. What is the three laye

Cisco advanced routing with Switching (Cisco section) 3–4 days

Tags: HSRP working principle STP effect ACL access control List loop storm Cisco private protocolDay 031. What is HSRP? How does it work?HSRP: Hot Standby Routing protocolHSRP is a Cisco private protocol that ensures that user communication can be quickly and transparently restored when a network edge device or access link fails.This provides redundant rows for the IP network. By using the same virtual IP address and virtual MAC address, two or more u

CCNP RS Routing switching Direction (intermediate) Teng Ke

CCNP rs Routing switching Direction corresponding Certificate Cisco Certified Senior Network Engineer-CCNP (Cisco Certified Networks Professional) Certification Prerequisites effective CCNA Routing and authentication or any valid CCIE authentication Suitable for people interested in the network industry and have CCNA basic knowledge of the crowd; intends to obtai

Ionic Learning Notes 4_ionic Routing (page switching)

1.1. Ionic routing mechanism: state1.2. Ion-nav-viewTrigger State Migration² Call the $state.go () method, which is an advanced convenience method;² Click on the link containing the UI-SREF directive ² Navigate to the URL associated with the state.1.3. Ionic in the inline templateSingle-page implementation of multiple modules,Angularjs at compile time, the id attribute value of the inline template and its contents, respectively, as key and value, are

tcp/udp-Routing Switching Principle 6-"Hcna notes"

reserved or registered for them, while others may use dynamic ports that are not registered. Because the UDP header uses two bytes to hold the port number, the valid range for the port number is from 0 to 65535. In general, a port number greater than 49151 represents a dynamic port.In fact, TCP and UDP is the basic transport protocol, based on the implementation of the application layer protocol may have a fixed port number, such as the FTP service for TCP communication by default, Port 21st, s

Four modes for managing routing and switching devices-WEB Mode

Manage network devices through WEB H3C routing and switching devices provide better WEB management support. However, you must configure the routing and switching devices before using WEB-based configuration management. The following uses H3C S3100-8C-SI equipment as an example to describe its related configuration, net

Routing and switching principles

Routing and switching principle routing is used to describe how to send data packets from one device to another device on different networks over the network. Vrouters do not care about these hosts. They only care about the network and the optimal route to each network. Route table creation: Direct Connection: Automatic Creation (interface dual-UP, correct IP Add

Telnet login of routing switching technology

; Configure the password for Telnet, which is the level passwordEnable secret 0 star-> Configure enable password, default is level 15 password2.4: Telnet TelnetOn the three-layer switch:Telnet 1.1.1.17You are prompted for a telnet password, which we set for the starEnableYou will be prompted to enter the Enable password, which we set for starLogin successfulSimilarly, verify on another switchThree: Experiment650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/88/71/wKioL1f4h0fA-iYZAAAGS6u

Routing and switching

The11Day: routing and switching Experiment Lab01:DHCPService Lab Objectives Dynamic DHCP Allocation Protocol Lab Environment Install a Cisco simulator computer 650) This. width = 650; "width =" 465 "Height =" 312 "Title =" image001.png "style =" width: pixel PX; Height: 288px; "src =" http://s3.51cto.com/wyfs02/M02/45/BB/wKioL1PqKKaRC3csAACGSxKdXo0633.jpg "alt =" wkiol1pqkkarc3csaacgsxkdxo0633.jpg "/> Lab

Cisco Routing and Switching series--------NA series

config , keep it , and the rest are copied to running config the. CLI the shortcut:650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M02/83/AB/wKiom1d6BhPy4UFHAADbzvWWcMg895.png-wh_500x0-wm_3 -wmp_4-s_3121356343.png "title=" QQ20160704144520---3.png "alt=" Wkiom1d6bhpy4ufhaadbzvwwcmg895.png-wh_50 "/>f0/0 indicates that the 0 on the board card 0 number interface. The router plugged in to the electrical interface is Down , and the interface of the switch is plugged in up the. is the interf

Routing switching debug (CCNA) 0 basics to Expert II

Today continue to share some commands for the router's basic configuration. First look at our future configuration routing, partition VLAN used topology diagram, in the future we will use this topology map to complete the later experimental 650) this.width=650; "title=" capture.jpg "src=" http://s3.51cto.com/ Wyfs02/m01/6c/7d/wkiom1vkidjg8lilaadnhwbhx8e751.jpg "alt=" Wkiom1vkidjg8lilaadnhwbhx8e751.jpg "/>The commands we want to share today are:Line co

Dahne Technology NTD1712 Cisco Remote Control routing, switching.

Remote control routerThe setup diagram is as followsConfigurationRouter>enable Entering privileged modeRouter#conf t into global configuration modeRouter (config) #interface g0/0 access interfaceRouter (config-if) #int G0/1Router (config-if) #ip address 192.168.1.254 255.255.255.0Router (config-if) #no shutdownRouter (config-if) #exitRouter (config) #line vty 0 2 Set the number of remote connection terminalsRouter (config-line) #password 123 Setting the remote connection passwordRouter (Config-l

Cisco advanced routing with Switching (Cisco section) 5th Day

Day 051. What is NAT? What are the implementation methods?NAT (Network address translation): By translating the private IP address of the internal network into the world's only public IP address, the internal network canTo connect to an external network such as the Internet.How NAT is implemented:The corresponding relationship of the IP address is one-to-one, and is constant, with the help of the static transformation, it can realize some specific service in the external network.Access to the se

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