2950 switch

1. Install the attachment Linux unzipped megalogr package, and then run the Script:./run-linux.sh (the batch file that requires the permission to be executed) to automatically collect the log, after the log collection file name: perc5linux.

restrictions. For example, the source port and target port of the 2900XL switch must be in the same VLAN, and some switches do not support RSPAN. For more information, see the device documentation. When configuring SPAN, we need to provide the source port, VLAN number, and target port. 4000/6000 CatOS switch: Setspan6/176/19 // SPAN: the source port is 6/17, and the target port is 6/19.

The most important function of a vswitch is to speed up the fast data forwarding in a large local area network. The routing function is also used for this purpose, so the switch port issue is also very important, it is really not easy to set a vswitch port. In an Ethernet Switching environment, communication between two workstations is usually not intercepted by a third party. In some cases, we may need such listeners, such as protocol analysis, traff

Two-layer switch: Two-layer switching technology is a mature development, two-layer switch is a data link layer device, can identify the MAC address information in the packet, according to the MAC address forwarding, and the MAC address and the corresponding port record in their own internal address table. Specifically as follows: (1) When the switch receives a

Two-tier switch:The second layer switching technology is more mature, two layer switch is a data link layer device, can identify the MAC address information in the packet, according to the MAC address to forward, and these MAC addresses and corresponding ports recorded in their own internal table of addresses. Specific as follows:(1) When the switch receives a packet from a port, it reads the source MAC add

Cisco switch iOS upgrade, actually quite simple, but need to note is, can not let the switch flash storage is empty, must have an iOS in, or no iOS in Flash, waiting to upload iOS with Xmodem, so your time can be a lot of waste ah. Because the Rommon mode is not available for the Cisco Catalyst 2950, 2960, 3550 Switch

configuration, which has been written for a long time,2950 The basic configuration of the switch, currently we are commonly used to configure the VLAN, the other is easy to manage, configure the IP address and allow Telnet login. Like spanning tree and VTP, the general small enterprises or systems are not configured, do not explain.1 Basic Concepts1.1 Classification of switchesCisco switches are divided in

What is a fool switch? It is easy to understand the introduction is not to take care of its switch, connected to the network equipment can be used. With the development of modern society, the modern "lazy person" also more and more, those who light, convenient, easy and labor-saving "lazy people" is more and more modern "lazy people" welcome. Today's switches are increasingly "goofy", such as the Omni-qs-5

1. Unplug the power cord of the vswitch, press the switch Mode button, and re-plug the power cord of the vswitch. Release the Mode button after the LEDs on Port 1x are off. 2. For the Catalyst 2940/2950 L series: Unplug the power cord of the switch, hold down the Mode button of the switch, and re-plug the power cord of

In the switched Ethernet environment, the communication between the two workstations is not heard by the third party. In some cases, we may need to do such listening, such as protocol analysis, traffic analysis, intrusion detection. For this we can set the span (switchedportanalyzer Switch Port Analyzer) feature of the Cisco switch, or the early "port mirroring", "Monitoring port" feature. The object that

The "advanced" usage of the PHP switch judgment statement is detailed in the switch Only so called "advanced" usage, because I even switch the most basic usage has not mastered, so, the next is actually the basic usage of it! A switch statement is similar to a series of IF statements that have the same expression. In

Often see network friends in the difference between the switch and router, in fact, if you have used both switch and router friends should know, for everyone, switch and router use the biggest difference is that the router can realize dial-up internet access, and then shared to multiple computers at the same time the Internet, But the

Are you worried about the port mode of the switch? below, I will walk into the switch with you and hold the switch port mode completely. I will use an article with a picture and truth to make you no longer confused. Yigu Switch 1. Switch Port mode classification. From a macr

This article introduces the knowledge of switch stack and the principle of switch stack. There are many problems with switch stack on the network. For vswitches of various models, a q A topic about switch stack is provided below. I hope to give all questions about switch st

IntroductionTraditional routers have isolated networks, isolated broadcasts, routing and forwarding, and firewall operations in the network, and as the network continues to evolve, the load of routers is growing rapidly. One of the important reasons is that the VLAN (virtual local area network) technology is widely used in networks because of security and management convenience. VLAN technology can logically isolate different network segments, ports, or even hosts, and the communication between

3. Basic vswitch Configuration After entering the configuration page, if this is the first configuration, You need to configure the IP address first, which is mainly for remote configuration later. The IP address configuration method is as follows: Enter "I" in "Enter Selection:" On the configuration page that appears, and click Enter. The following configuration information is displayed: The IP Configuration Menu appears. Catalyst 1900-IP Configuration Ethernet Address: 00-E0-1E-7E-B4-40 [I] IP

Many vswitch users have encountered many problems due to many reasons. Here we mainly analyze the vswitch network faults caused by incorrect Switch location installation. A vswitch is a key connection device in a LAN. It has a large number of vswitches in a LAN. In such a network environment, the administrator needs to reasonably deploy the vswitch based on its performance and characteristics, because your improper deployment will pose hidden risks in

Switch-case retrun break, switch-caseretrun { If statements process two branches, the if-else-if structure must be used when processing multiple branches. However, if there are many branches, the more nested if statement layers, the program is not only huge but also difficult to understand. therefore, the C language provides a condition selection statement specifically used to process multi-branch structur

MIUI option box switch style simulation, miui Option Switch Style There is IOS switch simulation, and of course there is MIUI switch simulation.You can see the switch style in the setting options. Final Effect Implementation process 1. Option box checkbox An option box i

Grammarsyntax for switch statements in the Swift language: Copy Code code as follows: Switch Expression { Case expression1: Statement (s) Fallthrough/* Optional * Case Expression2, Expression3: Statement (s) Fallthrough/* Optional * Default:/* Optional *statement (s);} Note: In most languages, in a switch statement block, the