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 router as an example to introduce the ge
Client list: You can view all active users of the Cisco wireless router configuration through the client list function.Static Address Allocation: Through the static address allocation function, you can specify an IP address for the PC on the vro side and an IP address based on the MAC address of the NIC on the PC side.
4. Set forwarding rule options
When accessing the Internet through a router, all clien
Configuration mode for Cisco routers
Configuration mode
Prompt
Enter command
Description
User mode
Route>
User mode is the default mode when the router starts, provides limited access to the router, allows for non-destructive operations such as viewing the configurati
Cisco LAN switches are still commonly used. So I studied the maintenance and configuration problems of Cisco LAN switches. I would like to share them with you here, hoping to help you. Cisco LAN switches have evolved from a HUB-based LAN shared in the traditional sense to a broader space.
Take Cisco's ipvst5000 series
VLAN 1. Use the no switchport trunk native vlan port configuration command to return to the default status.
6) configure a group of Ports
4006 # configure terminal
4006 (config) # interface range fastethernet2/1-5
4006 (config-if-range) # no shutdown
// Note: a space must be added between the port numbers. For example, interface range fastethernet 2/1-5 is valid, while interface rang
editing content and corresponding interpretation are shown in Figure 9. When editing this document, two suggestions are provided for beginners: i. First, the editors should be able to lay a foundation for the working principle and configuration methods of the RIP routing protocol. For example, they have learned how to configure the Cisco or Huawei RIP routing pr
The following is the VOIP configuration of Cisco 3640. The structure is VOIP between Taipei and Shanghai, followed by Alcatel's PBX. There are many things to note.
Taipei configuration code:
Taipei # sh runBuilding configuration... Current configuration :! Version 12.0 serv
Abstract: This article describes the first time that the author personally contacts the Cisco PIX Firewall and summarizes ten basic configurations of the firewall.
A hardware firewall is a wall between networks to prevent illegal intrusion and filter information. In terms of structure, it is simply a PC-type computer host with Flash) and firewall operating systems. Its hardware is similar to the common control machine, which is suitable for 24 hours
determines which vro Configuration tool you need. Maybe you have more than 250 users, therefore, Cisco may think that you should have more budget for network management, so it wants to sell you a management tool ).
However, in my managed network, there are 1200 users in 70 different cities, and CNA can be used to manage them well. In fact, this tool also supports many more advanced
Introduction to CISCO router AAA and related routing configuration cisco aaa www.2cto.com 3A concept: authentication authorization Accounting accountingcisco provides a variety of 3A services for routers and switches: 1. Self-contained AAA router/NAS self-contained AAA service NAS (Network Access Server) 2. Contact the AAA service on the
Product introduction
Cisco SDM is an intuitive and web-based device management tool for managing routers based on Cisco ios® software. Cisco SDM simplifies the router and security configuration process through the Smart Wizard, and with these wizards for customers and Cisco
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, currently, it has been widely used. I will intr
Cisco switch by default.
But it can be implemented with only one command, namely: 3550 # terminal monitor. In order to experience the actual effect, we can open two DOS windows on our PC and log on to the same Cisco switch through TELNET.
One is used for monitoring, and the other is used to perform specific operations, as shown below: for example, we execute a p
Recently, I have seen many vpn things and found that many manufacturers are paying attention to the implementation of Dynamic IP address-based vpn for small and medium-sized enterprises. Of course, cisco is no exception. In its ios12.3 (4) T, it began to support dynamic Address Resolution of vpnpeer. Now, in CiscoIOS12.3 (4) T, VPNpee is created based on the DNS name.
Recently, I have seen many vpn things and found that many manufacturers are paying a
Absrtact: This article describes the first time the author contact Cisco PIX Firewall, summed up the Basic Firewall configuration 10 aspects of content.
Hardware firewall, is the network between the wall, to prevent illegal intrusion, filtering information, etc., structurally speaking, is simply a PC-style computer host plus flash (Flash) and firewall operating system. Its hardware is similar to the common
This article mainly uses an example to explain in detail how to solve the packet loss problem caused by CISCO router faults? The following article gives me a detailed answer.
Recently, some people in my department (Department A) reported that they could not access the network of the higher-level department (Department B. I use the ping command from the computer A1 (IP Address: 10.20.12.11/24) used by this p
Cisco routers play a very important role in the routing industry, and there are also a lot of user groups. It is very important to understand some Cisco router security configurations. Currently, most enterprises and departments connect to the Internet. Generally, a router is connected to an ISP.
This router serves as a bridge between the external Internet and the internal network. If this router can proper
vlan configuration informationSwitch # show interface; view port informationSwitch # show int f0/0; view the specified port informationRouter # copy running-config startup-config; Save the ConfigurationRouter # copy running-config tftp; Save the configurationTftprouter # copy startup-config tftp; the boot configuration is savedTftprouter # copy tftp flash:; upload filesFlashrouter # copy tftp startup-confi
When it comes to configuring a new Cisco router, most configurations depend on the type of router and the purpose it will serve. However, each administrator has its own "correct" configuration for each router's list of commands. The author will share with you the list of 10 commands that he has configured the router for himself.
When it comes to configuring a new Cisco
(config) #no monitor session 1Switch (config) #endSwitch#wrSwitch#show MonitorNo SPAN configuration is present in the system.3. Other(1) Port image filtering, port mirroring can do filter.Monitor session session_number Filter VLAN Vlan-id [, |-]* * Specifies which VLANs belong to the traffic that the source port is entering, and can be emitted from the destination port.(2) Delete imageNo monitor session {Session_number | all | local | remote}**SESSIO
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