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It helps you identify various mainstream Cisco switch modules

Different types of switches use different module design methods. as a leader in the switch industry, the performance of Cisco switch modules is still very good and has been recognized by many people. Cisco switch module adaptive 1/2 Gbps interface: provides high-performance connections and is compatible with existing devices. The highest-performance inter-switch link (ISL) in the industry: A PortChannel sup

Attack a CISCO Router

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

Cisco Unified Communication Project features

Now it seems that unified communication is not a new topic. However, Cisco, as the first Cisco to propose unified communication, has provided a lot of help for the platform construction brought by the integration of communication services to enterprises. Now let's take a look at several Cisco Unified Communication projects. Enterprise status and instant messages

Cisco Unified Communication Voice Gateway

The current communication methods are inseparable from the IP network. To combine the two, you must use the gateway. Now let's talk about the knowledge of Cisco's unified voice gateway. Which models are available in these products, and what are the differences between these models? Cisco Unified Communication Voice Gateway Cisco 1700, 2600XM, 2800, 3700 and 3800, and Ci

Using GNS3 and Cisco IOU to build routing exchange experiments-concept paper

Using GNS3 and Cisco IOU to build routing exchange experiments-concept paperWhen it comes to simulators, everyone is familiar with Hyper-V, VMware, and VirtualBox operating system simulators (virtual machines), as well as emulators such as QEMU, which are commonly used in UNIX and Linux, which are object-oriented simulators. There are also arcade game simulators for arcade-oriented objects. Network simulator for network device or network operating sys

One old device Cisco 1841 router re-use, forgot the Enable password

Tag: Register BRE router exists reload conf device star RAMClear the password for the Cisco 1841 router:(1) The console line connects the computer and the router console port, through the terminal client connection, the router is powered on (if the device is started, press the power button, restart the router, wait for the router to start when the [Ctrl+break] key interrupts the normal boot process, into the ROM state.(2) Modify the value of the confi

Cisco vro basic configuration tutorial route settings tutorial

Comments: This article describes the basic configurations of Cisco routers. The configuration process of Cisco routers is still complicated, and there are many factors to consider, especially in terms of security. In fact, there is no need to make the router think so complicated. In fact, the router is a computer with multiple ports, but it plays a different role in the network than the general PC. How can

Cisco License Manager

Labels: upstream and downstream software commands   CiscoSignificance and value of License Manager:Cisco License Manager is a secure client/server application to manage Cisco IOS software activation and license management across a wide range of Cisco platforms running Cisco IOS software, as well as other operating systems. It automates workflows relate

Protocol use for Cisco Unified Communication System Architecture

We have previously introduced the overall structure of Cisco's Unified Communication call system. Now let's take a look at the core features of SIP implementation and other supported functions. We hope that the introduction and analysis in this article will help you understand this part of knowledge. Cisco deploys SIP based on RFC to implement core telephone features. To provide many SCCP-based features, Cisco

Comprehensive Analysis of Two Cisco access routers

Access routers are currently one of the most popular routes, and their performance and features have been recognized by many people. Here we mainly analyze Cisco access routers with many applications. Both Cisco 1721 and 1720 adopt Cisco IOS software, which can provide a low-cost solution for small branches of small and medium enterprises and enterprises so that

Samba oralinux system Samba Server SETUP

Article Title: Samba oralinux system Samba server setup. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. System Environment: Windows xp sp3, IP: 192.168.1.10 Virtual Machine with Fedora-8-i386 IP: 192.168.1.12 installed 1. Check whether samba is installed on the OS. [Root @ cis

Cisco AAA authorized backdoor Test

fails to log on. The system prompts "reject": Enter the local user and password, and the system prompts "REJECTED ". An error message is displayed, indicating that authorization failed: Authorization failed. Enter the correct user (local) Incorrect password to display authentication failure: authentication failed First, add the authentication server in ACS, select the label network configuration, and add the server Add a server and click Add entry. Note that the IP address must be the addre

Cisco Learning note--BGP14-strip routing principle

extended community properties of the BGP cost Community (BGP costs community) provide a way to customize the best path selection process. This automatic path selection process is inserted after the 8th of the BGP13 rule (priority to the lowest path of the next hop Igp-cost), and the path with the lowest cost value is the preferred one. However, you can use the BGP bestpath cost-community Ignore to ignore this step and configure it in an as or federated configuration so that you can avoid routin

How the Cisco 1800 vswitch works and its skills

Cisco 1800 is another core product launched by Cisco. But can this product have a place in the market, it depends on its own performance and whether it is the type of switch the customer needs. CISCO products are widely used by network users. understanding of their typical products and their characteristics can give a general understanding of network devices, the

Analyze the vro configuration differences between CISCO and Huawei 3COM

The features and configuration interfaces of Huawei routers and CISCO routers of the same grade are exactly the same, and some of them have also been improved according to the needs of domestic users. For example, the configuration and debugging interface that can be switched between Chinese and English makes Chinese users no longer have to face a lot of professional English words. In addition, its software upgrade, remote configuration, backup center

Explanation of Cisco Access Router's media verification and encryption features

Currently, Cisco access routers are widely used, and the features of media verification and encryption are one of the features of Cisco access routers. So I studied how to use the secure RTP media verification and encryption features, I would like to share it with you here and hope it will be useful to you. The media authentication and encryption features provided by the

Cisco combined with Microsoft to reduce data center complexity and accelerate customer revenue generation

Cisco and Microsoft announced today that they will combine Cisco's unified data center architecture with Microsoft Fast Track architecture solutions to help customers reduce complexity, increase IT efficiency, and increase business flexibility. Cisco and Microsoft have also developed development plans for solutions that have been jointly verified by both parties, it aims to help channel partners that deploy

Cisco router installation and maintenance steps and commands (1)

the devices connected to the internet have a ground wire. These devices include hosts, workstations, hubs, switches, routers, and MODEM connected To routers. The terminal or PC that configures the router must also use a valid power supply. CISCO synchronous serial interfaces are commonly used. Different interfaces, such as RS232 and V.35, can be obtained through different cables. In addition, the cables of CISCO

Tutorials for using Cisco SDM under GNS3

Installation steps:1.First install the Jre-6u17-windows-i586se ( latest version ) Click Install until the installation is complete.?2, install SDM2.5 Chinese version sdm-v25 : The Welcome to Setup Wizard appears and click Next:After selecting "I accept the terms in the License Agreement", click Next:Here you can choose to install on this computer, on the router, and between the two. We chose to install on "This computer", so as not to occupy the memor

Cisco: Prevent ARP attacks between VLANs solution _ Server

Nowadays many switches are able to prevent ARP attack core Layer gateway, but can not be very effective to prevent the attacks between VLANs, to prevent the attack between VLANs, I think using the VLAN vacl to prevent better, security can be improved. Because the company exchange equipment is used omni But the security aspect should also have the related setup to make the simple demonstration, does not go into the 3/12 default inactive to use the use

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