pdu ccna

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650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/8B/7E/wKioL1hPzwWwPFqgAAGUAvCBHxo588.png "title=" QQ picture 20161213183532.png "alt=" Wkiol1hpzwwwpfqgaaguavcbhxo588.png "/>Test center of the subject: Changes in the address of the source Ip/mac in the process of data communicationTest instructions: In the box shown, Route1 's IP address and MAC address of the corresponding information, as well as data frame information; The problem is that you can infer what route1 is going to do with

The initial command for routing configuration-CCNA takes notes when I used to study NA, now I have time to share with you ==================================== ========================================================== =====================www.2cto.com show hosts show current host name configuration show sessions show current outgoing TELNET session clear line XXX clear line

=" wkiol1pon6mbx42paaga_e9n2zg502.jpg "/> First, obtain the gateway information (non-private address). After telnet, obtain the user's MAC address (sho ARP | include user IP address) based on the ARP table ), 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/40/1E/wKiom1POOgmjnOhpAABNrTBnX3M812.jpg "Title =" q2.jpg "alt =" wkiom1poogmjnohpaabnrtbnx3m812.jpg "/> Obtain the port number (sho Mac-table-address Add User Mac) 650) connected to the vswitch based on the user's MAC address.

CCNA advanced network technical materials Network Basics Encapsulation: attaches necessary protocol information to the data before network transmission. Unencapsulate: unseal data from a specific protocol header. Peer layer communication: each layer of the source sender's OSI model must communicate with the peer layer of the target. OSI reference model: 1 physical layer: defines electrical, mechanical, and procedural functions and standards for physic

Tags: ccnaThe more complex the interconnection network environment is, the more likely the network is to fail in terms of connectivity, and the cause of the failure is hard to confirm. Before a network failure occurs, the network administrator should constantly monitor network changes and make timely adjustments to prevent problems. When a network fault occurs, appropriate methods and tools should be used to determine the root cause of the fault, and correct troubleshooting plans should be made.

LAN.WANThe last network segment is a WAN connection and requires 2 host addresses. Support WAN links with just 2 primary seats. 2^2-2 = 2.This leaves 8 bits to define the local subnet address. The next available address block is 172.16.2.192/30.Address: 172.16.2.192Binary representation:10101100.00010000.0000010.11000000Mask: 255.255.255.252Represents 30 bits in binary:11111111.11111111.1111111.11111100The IPV4 host address range provided is:172.16.2.193 to 172.16.2.194, broadcast address is 17

0 Basic words first to choose "CCNA Study Guide", simulator must be installed, unless there is a device can actually take the environment. "TCP/IP Routing technology" is too early, after the exam CCNP later. If you really want to know more about it, you can learn a bit. CCNA, who had just begun to learn, read that the book was basically a Bible-class.In addition, it is better to look at the basic Books of c

Release date:Updated on: Affected Systems:CertificationKits CiscoKits ccna tftp Server 1.0Description:--------------------------------------------------------------------------------Bugtraq id: 49045 CiscoKits ccna tftp Server is a multi-threaded Cisco IOS upgrade, file backup, Cisco certification exam preparation, upload and download IOS graphics and configuration tools. CiscoKits

March 2016 2 August-April 1st Ivy Alliance Training Center (Avtech Institute of Technology), for a mobile company IT staff of 5 days of CCNA Routing and Exchange practical training class successfully implemented! This training arrangement is held in the beautiful Shenzhen.CCNA Certified professionals have the knowledge and skills to connect to remote sites over a wide area network, eliminate basic security threats, and understand the requirements of w

En Conf t Hostname SW1 Username CCNA Password CCNA No IP domain-lookup Service Password-encryption Enable Secret Cisco Line con 0 Login Local Logging synchronous Exec-timeout 0 0 Line vty 0 4 Login Local Logging synchronous Exec-timeout 0 0 int VLAN 1 IP addr 192.168.1.1 255.255.255.0 No shut IP Default-gateway 192.168.1.254 Show run Copy Run start

CCNA Experiment Four turn on the WEB Management Service for the routerEnvironment: Windos XP , GNS3.0.7Objective: practice how to turn on the router WEB Management Services, through IE managing the RouterSteps:1.First install the loopback Virtual network card on thephysical machine XP system , open the "Control Panel"-- Add Hardware to do the following650) this.width=650; "src=" Http://hi.csdn.net/attachment/201010/30/0_1288428865pzZC.gif "/>650) thi

IntroductionThis article describes what the IP address and its function and IP address composition, IP address classification, IP subnet partition, subnet mask, public address, private address,VLSM (variable eldest son netmask), CIDR (Non-class inter-domain routing) and other CCNA basics.Article Directory0x1. What is an IP addressthe role of the 0X2.IP address0x3.ipv4 Address Composition0x4.ipv4 Address CategoriesA. Reserved IP addressB. Private IP ad

CCNA Training Course (3) -- Vlan VTP relay single-arm route generation Tree Protocol This is the third day of the CCNA training course. There are many knowledge points on this day, and the experiment content is gradually becoming more complicated.VLAN A vswitch separates the conflict domains and the broadcast domains. A vro separates the conflict domains and the broadcast domains. In a pure exchange network

CCNA Learning must be remembered--Hundred dishesIn the study Shehiren "Computer network" over the name, found that there are some very important but not dissected knowledge points in the book, perhaps in the new version of the content will be constantly updated, but in any case, we can often look at these points of knowledge, strengthen memory. After continuous learning, bloggers will occasionally add something else-something they think is useful to n

From today on we review together to learn the debugging of routers and switches. Based on the CCNA tutorial, we practice a few small commands every day, and make up a little, and finally become an amplifier.Enable: Enter privileged mode and the command prompt becomes hostname# after runConfigure Terminal: Enter the global mode command prompt to change to hostname (config) #Hostname: Naming the deviceExit quit PrivilegeNo IP domain-lookup: Turn off add

CCNA Experiment 24 Security of routing updatesEnvironment: Windows XP , GNS3.0.7.2Objective:Learn how to pass MD5 authentication and passive port protection routing updates, Note that both methods are in EIGRP ,OSPF, RIP, IGRP can be used in all routing protocols. DescriptionMD5 Certification : to prevent invalid routing updates from potentially threatening and damaging the network through routing update authentication between neighbor routers. Pas

CCNA Experiment one landing device consoleEnvironment: Windows XP ,GNS3.0.7Purpose: Know how to log in to a routing device using tools.Steps: First Open the GNS to build the topology environment as follows: 650) this.width=650; "src=" Http://hi.csdn.net/attachment/201010/25/0_1287994002BmG3.gif "/>start R1 and right- view the port connected to the console ( to be used when logging in ) 650) this.width=650; "src=" Http://hi.csdn.net/attachment/201010/

CCNA Experiment 38 ZFW ( Zone firewall ) Environment: Windows XP ,Packet Tracert5.3Objective: To understand the principle and basic configuration of ZFWDescriptionZFW(zone-based policy Firewall), is a zone-based firewall, the firewall policy of zone-based firewall configuration is only effective when data is sent from one region to another. Data in the same region does not apply any policy, so we can use the interface that needs to be used in differ