router cisco 2811

: single two-way authentication: www.2cto.com 2.2, CHAP authentication: CHAP: Challenge Handshake Authentication Protocol, full name: challenge Handshake Authentication Protocol. CHAP verifies the identity of the authenticated end through a three-way handshake. It is completed when the initial link is established. To improve security, it is periodically verified after the link is established. CHAP is safer than PAP because CHAP does not send plain text online, but instead sends a random number s

This article uses VPN technology to achieve interconnection between two parts of the network, simulate ISP, close to practicality, the article mainly shows us the specific operation steps, mainly the input of basic commands. In this experiment, we use the Cisco 2600 router and VPN technology to achieve the network interconnection between one branch and two parts. To stay close to practicality, we still use

...Writing monlib sectors........................................................................................................Monlib Write complete Format:all system sectors written. Ok...Format:operation completed successfully. Format of Flash:completeProgram load complete, entry point:0x8000f000, size:0xcb80(5) TFTP to see if iOS upload is complete.(6) Rommon 8 > Reset//Restart routerCisco

Cisco router IOS upload and download 1. Prepare a console line and a network cable. The connection cable is connected to the console port of the computer. The network cable is connected to the computer and the F0/0 port of the router. (Only F0/0 can be used. The router has no system, the IP address configured for the

To emulate the password of the reset router with the Cisco Packet Tracer Simulator, the packet tracer default router port is off and needs to be manually enabled 650) this.width=650; "Src=" http://s3.51cto.com/ Wyfs02/m01/5a/21/wkiol1t3xxiqjwmeaakcapd2ghs648.jpg "title=" 2.png "alt=" Wkiol1t3xxiqjwmeaakcapd2ghs648.jpg "/>1. Shut down the

Some time ago, someone familiar with me asked me how to set up a bridge on a Cisco router )? At that time, due to the relationship between work, I just briefly talked to him. Today, we set up a Cisco router as a complete configuration command for bridging. Through this instance, you can learn how to use a

address of the TFTP server be entered. After the Server IP address is correctly entered, the router also requires the network administrator to provide the configuration file name to be backed up. Generally, we recommend that you use a file name that is easily remembered by the Administrator. At this time, the router will prompt the Administrator to press YES to confirm the operation. 3. copy tftp running-c

Router upgrade IOS Summary Step 1: Note:Using a TFTP server software with cisco TFTPServer or 3 CDaemon), 3Cdaemon is faster when the transmitted files are too large. 1. first, place the IOS file in the specified directory and enable the TFTP server software. 2. use the USB to switch to the console line to connect the router to the PC and use the CRT login softwa

.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6C/00/wKiom1U9BK6CCeFMAAHG5ppb-7E739.jpg "style=" float: none; "title=" 7.jpg "alt=" Wkiom1u9bk6ccefmaahg5ppb-7e739.jpg "/>Second, the various Cisco routers into the ROM state of different methods, but generally by the following three ways to enter the ROM state, in the use of the process can be entered separately.1, if the break is not blocked, you can press the Ctrl+break key to interrupt t

-interface IP address.CliSwitchSwitch (config) #vlan 2Switch (Config-vlan) #exitSwitch (config) #vlan 3Switch (Config-vlan) #exitSwitch (config) #int F0/2Switch (config-if) #switchport Access VLAN 2Switch (config-if) #int F0/3Switch (config-if) #switchport Access VLAN 3Switch (config-if) #switchport mode trunkRouter:Router (config) #int f0/0Router (config-if) #no shRouter (config-if) #int f0/0.1Router (config-subif) #encapsulation dot1q 2Router (config-subif) #ip add 192.168.1.1 255.255.255.0Rou

(' apiversion ')). PRIMARYENDPOINTS.BLOB)] " } } } } ]}Iii. creating a Cisco CSR Virtual machine from a template1. Sign in to Azure China portal2. Search for template in newClick Template Deployment, as shown. It is important to note that this feature must be available in the English language version at this time.3. Import TemplateUpload the JSON template you just made.4. Fill in the appropriate parametersAccording to the act

Implementation of ADSL access using the cisco 2500 router Description: This case is Beijing Telecom's adsl PPPoE access. A common adsl modem and a cisco 2500 router (dual Ethernet port) are required, and IOS 12.2 (15) t, can achieve LAN Internet sharing. in this case, the configuration is divided into seven steps: www.

server has a set callback, the server dials back the phone number that has been set up or asks the user to choose the callback. below is the specific configuration: ------------------------- Access#show Run Building configuration ... current configuration:1833 bytes !version 12.2 No parser cache No service single-slot-reload-enable Service Timestamps Debug uptime Service Timestamps log uptime No service password-encryption !hostname Access ! Access server with Name No logging rate-

NAT configuration on a CISCO router is in full swing and causes the shortage of IP addresses. to alleviate this problem, an important application is NAT (Network Address Translation ), it is widely used. Through address translation, NAT enables enterprises to access the Internet by using only a small number of valid IP addresses on the internet, effectively alleviating address insufficiency, at the same tim

Configure PPPoE for connecting a CISCO router to an ADSL modem using the Cisco router: hostname bjsite! Ip subnet-zero no ip domain-lookup! Vpdn enable no vpdn logging! Vpdn-group 1 request-dialin protocol pppoe! Interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 ip nat inside no ip mroute-cache!!!! Interface E

Preparation: A PC with a TFTP server, a router with iOS, and a cable connectionSet the router interface and the IP address of the computer card on the same network segment, and can ping each other.1 , install Cisco TFTP Server2 , set the TFTP log path and file storage pathNote: During the entire download process, TFTP server cannot shut down3 , Configure the IP o

Tags: Cisco router forgot enable passwordSteps:1. Restart the router that appears on the router ROM Monitor mode, press "Ctrl+breack" Key to enter ROM mode, such as:650) this.width=650; "title=" capture. PNG "style=" float:left; "alt=" Wkiol1nkiftr_sdkaaa1fp9kntk338.png-wh_50 "src=" https://s4.51cto.com/wyfs02/M00/A7

Implementation of VPN on a Cisco router: 1. software requirements: IOS with performaniseplusistmc56 is required. Currently, stable versions are 12.07T2. Hardware requirements: 8 mbflashand40mbram in DownloadIOS, the software and hardware requirements of the downloaded IOS version are prompted. 3. IPSec manual method considerations Implementation of VPN on a Cisco

For Cisco router authentication, when performing the cisco Route Selection protocol (r12002; VPN) authentication, the key is irrelevant to the key ID when using plain text (General authentication, during MD5 authentication, the key and key ID are related, that is, the key IDs and keys at both ends must be the same, for example, R1 (config) # key chain key1 R1 (co

How to Set Up r12002 routing protocol for Cisco router 3620 to demonstrate how to set up r12002 routing protocol for Cisco router 3620 this time, we need to build a complex network experimental environment, this environment is also the experimental environment used later to learn about other