most expensive cisco router

Configure the PPPoE configuration for connecting a CISCO router to an ADSLmodem through the PPPoE configuration: hostnamebjsite! Ipsubnet-zeronoipdomain-lookup! Vpdnenablenovpdnlogging! Vpdn-group1request-dialinprotocolpppoe! Interfaceethernet00ipaddh Configure PPPoE for connecting a CISCO router to an ADSL modem using

unique. Default route Configuration The default route is generally used in the stub network, and the stub network is a network with only one egress path. Use the default route to send packets that are not included in the route table of the target network. In fact, you can understand the default route as a static route with a wildcard (wildcard. Dynamic Routing Protocol configuration method: IGRP dynamic Protocol Configuration IGRP (Interior Gateway Routing Protocol) is a dynamic distance vector

Dhcp configuration commands for Cisco router R1 (server) -------------------- R2 (client) www.2cto.com dhcp configuration of Cisco router and their explanations are as follows: r1dhcp service configuration dhcp # configure terminal // enter global mode dhcp (config) # service dhcp // enable dhcp (config) # no ip dhcp c

On CISCO routers, there are ROM, NVRAM, RAM, and Flash. the four storage media have different functions. IOS is loaded in FLASH. RAM stores the current running configuration file (running-config) of the router, and the current startup configuration file (startup-config) of the router) it is stored in NVRAM, And the mini iOS, BootStrap, and RomMonitor running mode

; Note that the enable password and vty password can only be connected by the pc telnet we use PC to telnet router and of course we're still using putty. on one router. telnet 650) this.width=650; "style=" Float:none; "title=" 3.JPG "src=" http://s2.51cto.com/wyfs02/M02/7D/2E/ Wkiom1bhajdaou-vaadbdumazkq095.jpg "alt=" wkiom1bhajdaou-vaadbdumazkq095.jpg "/> After landing the

When a Cisco router forgets or loses the enable password, there are two ways to recover, depending on which series of routers you are using. The first of these methods This approach restores the following routers: Cisco 2000 series, 2500 series, 3000 series, Cisco 4000 series using the 680x0 Motorola CPU, and 10.0 se

The Cisco router sets IOS to upgrade each other. My company's network department has a Cisco router 2501, but IOS is bad. Here I call it cisocB, and another 2501 router IOS is good, we prefer ciscoA. Good IOS is no longer available on my PC, but it is transferred to the PC t

encapsulation method used by the serial port or ISDN InterfaceEncapsulation sap specifies that the Ethernet 802.2 format Cisco password used on the network segment is SAPEnd exit Configuration ModeErase deletes flash memory or configures CacheErase startup-config Delete content in NVRAMExec-Timeout: specifies the time that the exec command interpreter has waited before user input.Exit to exit all configuration modes or to close an active Terminal ses

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

Tag: Register BRE router exists reload conf device star RAMClear the password for the Cisco 1841 router:(1) The console line connects the computer and the router console port, through the terminal client connection, the router is powered on (if the device is started, press t

Build PPPoeServer with the home ADSL line and use the CISCO router to enable the PC to access the Internet www.2cto. comR1 (config-if) # doshrunBuildingconfiguration... Currentconfiguration: 1470 bytes! Version12.4servicetimestampsdebugdatetimemsecservicetimestampslog Use the home ADSL line and use the CISCO router to

The Cisco router switch sets automatic backup for IOS files and restores the automatic backup and rollback of Cisco IOS configuration files. The archive configuration mode function of IOS is required. Generally, only IOS versions 12.3 (4) All commands for automatic backup of the Cisco IOS configuration file are as foll

Use a cisco router to simulate how to configure a frame relay switch (configure 3640 as a frame relay switch): 3640 (config) # frame-relay switching ---------------------- enable the frame relay switching function of the router 3640 (config) # int s0/0 ------------------------------------- enter the s0/0 interface 3640 (config-if) # no ip add --------------------

Simple Local authentication:(config) #username admin password Cisco // Establish user admin password for Cisco Local User (default permission level is 1)(config) #line vty 0 4 (config-line) #login local / /call on- premises authentication / / above method configuration, the default entry is User mode ">" After Telnet, An en password is required to enter the "#" password

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

China Mobile's GPRS network uses the APN method to connect to the GPRS device terminal and communicate with the server through the APN. The customer purchased the Cisco 2811 router, and the mobile company needed to pull the optical fiber through the E1 port, I spent more than 1000 RMB with an E1 module. mobile companies are doing very poorly, and optical fiber connectors are not provided at all. I also boug

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

This article introduces some examples of the cisco router show command. in the network, the network administrator should know the status of the router at any time, so as to promptly troubleshoot the fault. The show command can be run in both user and privileged modes. "show ?" Command to provide a list of available show commands. Show interfaces:Display the sta

add text to automatically configure:Login and passwordTransport input outputExec-timeoutLocal AAASSH timeout and ssh authentication-retries to minimum numberEnable only SSH and SCP for access and file transfer to/from the router 6. Protect Forwarding Plane Enables Cisco Express Forwarding (CEF) or distributed CEF on the router， when availableAnti