cisco csa

After decades of development, from the first four-node ARPANET to the ubiquitous Internet, computer networks have penetrated into our lives. With the explosive growth of the computer network scale, as a router to connect devices also become more important. When a company builds a network, how to reasonably configure and manage the router becomes one of the important tasks of the Network Manager. This topic describes how to configure a cisco router fro

Install Cisco Packet Tracer in Linux What is Cisco Packet tracer? Cisco Packet Tracer is a powerful network simulation tool used for Cisco authentication training. It provides us with a good interface view for various routers and network devices. These simulation devices have many options. Like physical machines, we c

It is very important to know more about the configuration of Cisco routers. Here we mainly analyze the configuration steps of Cisco routers, have you ever encountered this problem: Because you forgot your password, you were forced to reject the original friendly "friend"-A vro or vswitch, and you were unable to reset parameters and collect statistics. The following describes how to clear passwords for sever

With the development of China's routing industry, Wireless routers are also widely used. Here we mainly explain a new Wireless-N Wireless router launched by Cisco, cisco Wireless Router WRT320NWRT320N is the latest Wireless-N Wireless router launched by Linksys. This product is consistent with the excellent quality and exquisite workmanship of Linksys, it began to focus on the appearance design, WRT320N usi

In fact, many brands of vro configuration commands are very similar. Therefore, this article provides a comprehensive analysis of commonly used Cisco vro configuration commands for Cisco vrouters, at the same time, I learned more. The basic status of a vswitch with the Cisco router configuration command: Switch:; ROM statusHostname #; privileged ModeHostname (con

Release date:Updated on: Affected Systems:Cisco IOS 15.xCisco IOS 12.xUnaffected system:Cisco IOS 15.1 (3) TCisco IOS 15.1 (2) T2aCisco IOS 15.1 (2) T2Cisco IOS 15.1 (2) SCisco IOS 15.1 (1) T3Cisco IOS 15.1 (1) S1Cisco IOS 15.0 (1) S4Cisco IOS 15.0 (1) S3aCisco IOS 15.0 (1) M5aCisco IOS 15.0 (1) M4Cisco IOS 12.4 (25e)Cisco IOS 12.4 (24) T5Cisco IOS 12.4 (24) GC4Cisco IOS 12.4 (2) XB12Cisco IOS 12.4 (15) XM3Cisco IOS 12.4 (15) XMCisco IOS 12.4 (15) T15

A Cisco router is detected infected with a secret backdoor. Security company FireEye researchers reported that backdoor programs called SYNful knock were found on 14 Cisco routers in 4 countries. Cisco has confirmed this. The attack does not take advantage of the vulnerability of the product itself, but requires valid management creden。 such as the default passw

Password Recovery principle of the Cisco router-the Cisco router stores several different configuration parameters and stores them in different memory modules. The introduction is as follows: ---- · internal memory type ---- Cisco2500 series routers have five types of memory: ROM, flash memory, immutable RAM, and shared memory. Function: www.2cto.com memory class function: the boot program flash memory of t

Vswitches need to be configured for the recently merged server link set... I have never obtained a vswitch before. I want to sell it now... Generally, the vswitch supports telnet. If you have configured an ip address, you can directly telnet the vswitch. If you do not have any configuration, you need to use the Serial port. Choose Serial for the Serial port... Fortunately, we support all the omnipotent putty tools. If you use a tool, you can also choose Secure CRT... Enter the password after l

A malicious user may use a Sniffer tool like Sniffer to perform local monitoring on the Administrator host or an appropriate interface to obtain the Administrator's password for logging on to the Cisoc router. So how can we use SSH to enhance the remote management of Cisco routers? 1. Security Testing I installed sniffer locally and used Telnet to log on to the Cisco router. Stop sniffing and decode it. 1 s

This article describes in detail how to skillfully set the speed limit for commonly used Cisco routers, and provides detailed operation steps. I hope this article will help you. The so-called speed limit is to set the ACL Access Control List on the router) to block the port used by the Service, so as to prevent the normal operation of the service. For the btsoftware, we can try to seal its port. In general, the btsoftware uses port 6880-6890. Use the

This article mainly introduces the backup and recovery of IOS software. An important method is the backup and recovery of IOS software. Today, I will share with you some tips on the backup and recovery of this IOS software. We hope to make progress together with readers. I. a principled suggestion Before upgrading the IOS software of a Cisco router or vswitch, copy the software from the original Cisco flash

Cisco Policy Suite Information Leakage Vulnerability (CVE-2018-0134)Cisco Policy Suite Information Leakage Vulnerability (CVE-2018-0134) Release date:Updated on:Affected Systems: Cisco Policy Suite Description: Bugtraq id: 102954CVE (CAN) ID: CVE-2018-0134Cisco Policy Suite is the Management Policy Suite.Cisco Policy Suite has a security vulnerability in th

Cisco NX-OS System Software Arbitrary File Read Vulnerability (CVE-2017-12338)Cisco NX-OS System Software Arbitrary File Read Vulnerability (CVE-2017-12338) Release date:Updated on:Affected Systems: Cisco NX-OS Description: Bugtraq id: 102260CVE (CAN) ID: CVE-2017-12338Cisco NX-OS is a data center-Level Operating System.Cisco NX-OS System Software has a sec

Cisco WebEx Meetings Server Cross-Site Request Forgery (CVE-2016-1448)Cisco WebEx Meetings Server Cross-Site Request Forgery (CVE-2016-1448) Release date:Updated on:Affected Systems: Cisco WebEx Meeting Center 2.7 Description: CVE (CAN) ID: CVE-2016-1448Cisco WebEx Meetings is a network conferencing solution.Cisco WebEx Meetings Server 2.7 has the Cross-Sit

Cisco APIC-EM API management notification Spoofing Vulnerability (CVE-2016-1386)Cisco APIC-EM API management notification Spoofing Vulnerability (CVE-2016-1386) Release date:Updated on:Affected Systems: Cisco Application Policy Infrastructure Controller Enter 1.0 (1) Description: CVE (CAN) ID: CVE-2016-1386Cisco APIC-EM is a software defined network control

Cisco IOS/ios xe DHCPv6 relay Denial of Service Vulnerability (CVE-2016-1348)Cisco IOS/ios xe DHCPv6 relay Denial of Service Vulnerability (CVE-2016-1348) Release date:Updated on:Affected Systems: Cisco IOS Description: CVE (CAN) ID: CVE-2016-1348Cisco IOS is an interconnected network operating system used on most Cisco