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The original Article is from BlackSun. It is translated in sleep hours. This is a very good article and I am very happy to share it with you! Warning: Do not use this to damage the cisco system or access the system illegally. This article is for the purpose of learning. It can only be used for legal actions and cannot damage any system. This article will show you step by step how to use the discovered defects to obtain illegal access. If you break int
One, the internal components of the Cisco routerIn order to configure, Cisco Internetwork and troubleshoot, we must first understand the major components of the Cisco routers and understand these componentsThe respective function.Table 7-1 gives a description of the major components of the Cisco
(config-if) #switchport Access VLAN 2SWA (config-if) #int F0/6SWA (config-if) #switchport Access VLAN 2SWA (config-if) #int F0/7SWA (config-if) #switchport Access VLAN 2SWA (config-if) # EndSwa#sh VLANSWA#WR (Save)18. Cisco and PC Connection methodFirst, the software cannot connect to the real device:Select a PC, one device (switch, router is OK)Connect PC and d
Router (config) #interface S0/1 Router (config-if) #ip Access-group 102 out Protocol routing Protocol Router configuration switch configuration encryption previous Page 1 2 Qqread.com launches Windows2003 Tutorial Win2003 Installation Introduction Win2003 network optimization win2003 use skills Win2003 System Faul
Subnet Mask hardware basic Ethernet protocol Network Management A router is a bridge of a computer network and a core device connecting to an IP network. It can connect different networks, select data transmission routes, and block unauthorized access. Router configuration is not easy for beginners. Take the Cisco ro
Technical standards for VLANs IEEE 802.1Q was formally promulgated by IEEE Commissioners in June 1999, and the earliest Vlna technology was proposed by Cisco (Cisco) companies in 1996. With the development of the past few years, VLAN technology has been widely used in large and small enterprise networks, becoming the most popular Ethernet LAN technology at present. This article is going to introduce one of
environment test) Router (config) # loop line Remote bad test) Router (config) # no shut Router (config) # ip add 10.1.1.1 255.255.255.0 Router (config) # aps working 1 working mode, where 1 is linked with the protection port value) Router (config) # Or
CISCO PT Simulation Experiment (14) router configuration for OSPF dynamic routingExperimental Purpose :Mastering the configuration method of OSPF dynamic route selection protocolMastering the OSPF route description in the routing tableFamiliar with the principle and process of routing and packet forwardingExperimental Background : The company connects to the egress rout
CISCO PT Simulation Experiment (16) Router redistribution configurationExperimental Purpose :Learn how to configure router redistributionLearn to see routes generated by routing redistribution learningExperimental Background :with the expansion of the company's network, the company installed a number of routers and run a variety of routing protocols, including th
, you need to set different passwords for different modes. To learn more about vro security, read another article in The TechRepublic community, "five ways to secure Cisco routers and vswitches: basics ". What are the three modes of Cisco's Internet Operating System? Before discussing how to use a password to protect a vro, let's take a look at what the three modes of Cisco's Internet Operating System are. They are: User Mode: in user mode, the
available. With 0x41, you can only view or delete Cisco router configuration information, but cannot change the password.Clear Cisco router configuration information1. When the switch is powered on and started, press and hold the Sys Req button on the back panel of the
#disable//return user mode from privileged modeRouter#configure Terminal//Enter global modeRouter (config) #no IP domain Lookup//Turn off dynamic name resolution.Router (config) #line console 0//Configure console PortRouter (config-line) #exec-timeout 0 0//switch off the console session timeout, no exec-timeout also.Router (config-line) #logging synchronous//log synchronization to block some of the console's tips.Router (Config-line) #exitRouter (conf
CISCO PT Simulation Experiment (13) router RIP dynamic routing configurationExperimental Purpose :The configuration method of mastering RIP Dynamic route selection protocolMastering RIP routing descriptions in routing tablesFamiliar with the principle and process of Routing and Packet forwardingExperimental Background : The company is connected to the export route
access vlan 4 Switch (config-if) # no shutdown Switch (config-if) # exit Switch (config) # interface f0/3 Switch (config-if) # switchport mode trunk sets this port to relay mode) Switch (config-if) # no shutdown Witch (config-if) # exit. You ca
to have a set of passwords at this level. To switch from user mode to privileged mode, the administrator needs to enter the enabel command and press the Enter key: Global Configuration Mode In privileged mode, we can now access global configuration mode. Here, we can make changes that affect the operation of the entire router. These changes include, of course, configuration changes. As an administrator, w
the PC: for example, use the TERMINAL program in WINDOWS, use COMl/2, 9600BPS, 8 data bit, 2 stop bit. Others use the default value. After the control port is connected, turn on the power switch of the router. Initialize Installation The vro must use a valid power supply. Generally, the zero-ground voltage of the power supply is less than 4 volts, and the zero-fire/ground-fire voltage is 220 volts. Ground
The Cisco Router performs very well in the market. Here we will mainly focus on Cisco routers and explain in detail the detailed steps of Cisco router configuration. Cisco routers are the core devices for network communication, cu
interface. What can I do? Because a Cisco TFTP Server upgrade requires that the Cisco switch fail to be connected to a PC with a TFTP Server installed on the network. After some look, finally found that the super engine 720 above a RJ-45 look like the interface, next to the words Link, play! The result is a try with the network cable, and the indicator light is
In fact, many brands of vro configuration commands are very similar. Therefore, this article provides a comprehensive analysis of commonly used Cisco vro configuration commands for Cisco vrouters, at the same time, I learned more. The basic status of a vswitch with the Cisco router configuration command:
This is a professional article about Cisco routers. Students who want to learn this knowledge can get some reference in writing this paper. This article mainly describes the technical application of the Cisco router level-1 switch. The Network works on two devices. The vswitch and vro connect the computer with the peri
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