Tags: routing switching technology HSRP working principle three-layer Exchange STP function DHCP serviceFirst, the questionDay 011. What is a Vlan? What does VLAN do? is the interface of the default switch in that VLAN? What kind of Vlan??2. What is Trunk? What is the mode of Trunk? How to negotiate?3. What is the role of EtherChannel?4. What is DHCP? What is the role of DHCP?Day 021. What is the three layer Exchange? What is the difference between a
Cisco Redundancy Technology 1. vswitch Redundancy (1) engine Redundancy characteristics: www.2cto.com ① make RPR + a redundant protocol (Route Processor Redundancy Plus) ② the master and slave engines are in the starting status at the same time, however, only the master engine works. ③ the conversion time between the master and slave engines is 30 s to 60 s. ④ the Vlan database mode is not supported, however, in global mode, IOS versions running on th
Half a year five acquisitions Cisco intensive integration for self-redemptionWu MicroCisco, a "takeover guru", recently announced a new deal.The acquisition was Cloudlock, a cloud security company, with a total transaction price of $293 million. This is the fifth takeover deal that Cisco has launched this year.As the world's largest network equipment manufacturer, Cisco
From today onwards, let's show a few of the basic features of Cisco UC, one of the first basic features: Cisco IP Phone.The word Cisco CUCM is bull x!Knowing that the CUCM is a ippbx in a cow's lecture, it provides the phone function of the IP phone to replace the traditional analog phone.In fact, know this is a broken cow, but also in the study of Microsoft's UC
With the advent of the Internet era, more and more work and information technology-related, in the requirements of the times, each person's development and employment needs to have the knowledge and quality of the Internet, then in this do not test the certificate of the age, Cisco gold content such a high certificate in the end there is no use? The leading-edge education small compilation uses the data to explain the question.Because our large depart
Internet Operating System (IOS) is Cisco's private core software package, which is mainly implemented on Cisco routers and switches. Cisco IOS software uses a set of value-added technologies and features to provide Internet intelligence.Cisco IOS includes a group of superb network technologies, mainly composed of internet devices such as a single router, it is used to provide shared media hub vro modules, v
provides hundreds of advanced Cisco CCIE Network engineer Training trainees."Xian Cisco CCIE Network Engineer"What technologies are included in the Cisco CCIE Course?Cisco Certified Network engineer (CCNA)1. Basic concepts of the Internet2. Principle and configuration of switching technology3. WAN Technology Principle
"Introduction" is a Cisco with Stackwise Plus? Catalyst? The 3750-E series switches are an enterprise-class, stand-alone, stackable wiring switch family that supports the deployment of secure converged applications and maximizes investment protection based on the development of network and application requirements. By combining A/V and power over Ethernet (PoE) configuration with a Gigabit Ethernet uplink, the Cis
module, protecting users' investment. This series of features mainly include: www.2cto.com port density is high. Supports up to 384 10/100 BaseTx adaptive Ethernet ports, 192 100 BaseFX optical fiber fast Ethernet ports, and 130 Gigabit Ethernet ports (GBIC slots ). Fast. The C6500 switching backplane can be extended to 256 Gbps, and the multi-layer switching speed can be extended to 150 Mpps. The C6000 switching backboard bandwidth is 32 Gbps, and the multi-layer switching rate is 30 Mpps. Sup
12000 the Cisco router series is very suitable for small and medium-sized enterprises. Here we mainly analyze the performance characteristics of the Cisco router series. In today's information age, enterprise mail has become an essential tool for business communication and communication. With the new routing technology, enterprise mail also has more and more innovative features.
However, compared with diver
After the popularization of broadband, Cisco wireless router settings are frequently faced. So today, I am going to introduce you to the configuration skills of Cisco Wireless routers. I hope this article will teach you more things and bring convenience to your life.
After broadband popularization, many friends who have multiple computers or laptops want to install wireless hotspots at home. Because they se
Overview
This product announcement focuses on Cisco®Catalyst®Cisco IOS on 6500 series switches®See Figure 1 ).
The Cisco Catalyst 6500 series, modular with Cisco IOS software, improves operational efficiency and minimizes downtime through continuous evolution of software infrastructure. By running the modular
WIN8 Cisco VPN 442 Error solution/Error Code 442 Cisco VPN Clinet with Windows 8 when you start using win8, because of work needs to use Cisco VPN Client, however, in win8, the Cisco VPN Client reports a 442 Error and cannot be used. The following Error message is displayed: Error Code 442 while connect to VPN server b
Cisco 5000 ATMLANE MOUdle password recovery
Password Recovery Procedurefor the Catalyst 5000 atm lane Module
Description
This document describes the password recovery procedure for the Cisco Catalyst 5000 atm lan emulation (LANE) module(WS-X5153/5154/5155/5156/5157/5158/5166 ).Step-by-Step Procedure
In order to recover a password, you must download a recovery image onto the ATM module that will erase the
compatible with all Catalyst 6500 superengines;
Longest normal network running time, system elasticity-Support for Cisco enhanced VLAN per Virtual Network) spanning tree and PVST +) protocol, IEEE 802.1w fast Spanning Tree Protocol RSTP) and IEEE 802.1s Multiple Spanning Tree MST) protocols, each VLAN fast Spanning Tree PVRST) protocol, hot backup router protocol HSRP), virtual router redundancy protocol V
series with redundant super engine, redundant Load Balancing power supply, redundant fan, redundant system clock, redundant uplink, redundant switching back board (only for C6500 series ), high Availability of the system is achieved. Rich software features. C6000 software supports a wide range of protocols, including NetFlow, VTP (VLAN Trunking Protocol), VQP (VLAN Query Protocol), ISL Trunking, HSRP (Hot Standby Router Protocol) port Security, TACA
that needs to be done is to clarify the purpose of the upgrade and the customer's needs. For new features or new features
To upgrade the hardware, you need to know the following requirements:
Platform requirements: network devices are Cisco products, and the hardware boards to be supported are added.
Protocol requirements: What protocols are required for network applications, such as TCP/IP, IPX, Or ISIS routing protocols
Feature requirements: some s
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