cisco 3550

; (CatOS) display VTP domain and VTP Mode Show vtp status; (IOS) Show interface; (CatOS) display Management interface Information Show port; (CatOS) displays brief information about each port (number, VLAN, duplex ,...) Show interface; (IOS) Show trunk; (CatOS) displays the relay information (mode, encapsulation, allowed port, cropping ,...) Show interface trunk; (IOS) Show spantree 45; (CatOS) shows the STP mode, type, status, speed port,...) of the port ,...) Show spanning-tree 45; (IOS) 3. In

Cisco routers are the leader in the routing industry. Their product quality is still very good. Cisco Wireless AP is also one of Cisco's most important products. Requirement Overview: A Cisco Wireless AP is used to build an enterprise wireless LAN. A user's notebook can log on to the wireless network without adding an AD domain. the user name and password of the

I would like to introduce you to the Cisco Wireless Router setting method. Many people may not know how to optimize the Cisco wireless router settings. It does not matter. After reading this article, you will certainly have a lot of GAINS, I hope this article will teach you more things. I. Basic Cisco wireless router settings: First, I collected the original text

Many friends who use the Cisco router module have encountered many problems during use. Below are some basic solutions. More or less can solve some small problems. Problem description: The Cisco router module does not turn on the light, and does not turn on the light after it is turned on. Answer: If the module is broken, I have encountered this situation. Check if you recognize this

This tutorial describes how to start and configure Cisco Catalyst 1900 series switches.1. Tutorial PurposeThrough this experiment, you can master the following skills:Familiar with switch startup interface;Configure the vswitch;Understand the port number of the vswitch.2. device requirementsThis experiment requires the following devices:One Cisco Catalyst 1900 Series Switch with unlimited models and Enterpr

It is very important for Cisco router users to learn about how to restore their vro passwords. Here we mainly introduce two methods to help you quickly restore the vro password, when the Cisco Router password is forgotten or the enable password is lost, there are two methods to restore it, depending on the series of products you are using. The first method to restore the password of a

The Cisco router has a very high market demand. Here we mainly introduce the background of Cisco router and firewall. Firewall has become a key part of enterprise network construction. However, many users think that Cisco routers already exist in the network and some simple packet filtering functions can be implemented. So why should we use firewalls? The followi

Investment Protection and Development Options With the development and changes of the Enterprise, you can leverage the Scalable Cisco stack architecture to ensure the synchronous development of your LAN. Cisco provides the industry's most flexible, scalable, and manageable stacking architecture for the Catalyst 3500 XL series and the Catalyst 2900 XL series switches with gigabit performance. You can create

VLAN database is configured, you must enter exit to save it;VLAN troubleshooting: physical connection> Switch configuration> VLAN configuration;Physical connections include CDP and duplex;The Trunk is a link between two vswitches;802.1 p: Priority of the 802.1qTAG field;Tunnel requires two tags: one for the enterprise and one for the carrier. The carrier can transmit VLAN, CDP, VTP, STP, and other information;Native VLAN is unique to 802.1q. It is vlan 1 and is used to manage VLANs;ISL will als

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 configuration parameters of the router, testing the connectivity of the router, etc., but cannot make any changes to the router configurati

Vlan200 and vlan201 are two VLANs connected by switches.Ip subnet-zeroIp routingNo ip domain-lookupSpanning-tree mode pvstSpanning-tree extend system-idSpanning-tree vlan 200 priority 24576Spanning-tree vlan 201 priority 24576Spanning-tree vlan 202

Related configuration commands: Config) # ip dhcp pool [address pool name] (Config) # ip dhcp excluded-address [unallocated address] (Dhcp-config) # network [address to be allocated] [mask] (Dhcp-config) # lease [lease] (Dhcp-config) #

Ip subnet-zero Ip routing No ip domain-lookup Spanning-tree mode pvst Spanning-tree extend system-id Spanning-tree vlan 200 priority 24576 Spanning-tree vlan 201 priority 24576 Spanning-tree vlan 202 priority 28672 Spanning-tree vlan 203 priority 286

The main effect of the topic A sequence of 3xN 3 \times n is given, which can not select more than K K in n numbers, and ask the weights of the maximum number that can be taken out. train of Thought Very God's map, originally want to simple cost

It took a few days to write this blog, and the commands for configuring Cisco routers are more clearly written in the tutorials, but many commands remember that they may not be able to be used in the actual network of the enterprise, and I am here to introduce how to log in to the Cisco router using terminal equipment, How to access the configuration network, how to use some of the

Today's recommendation: cisco switch module Ethernet application details, familiar with the following cisco switch module knowledge point, you only need to spend a few minutes to understand the cisco switch Module Settings. There is also a diagram below, and other related information will be mentioned in this article. As an important