cisco mcs

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About Cisco reflexive control list applications

: IP access-list Extended xxx permit protocol source destination reflect name [time-out seconds] IP access-list Extended yyy Evaluate name (this keyword creates an open table entry that temporarily internally leads to an external return flow, the two red places must be the same, meaning I don't want to repeat it) is finally enabled on the interface, which is similar to the application rules for the normal list. 3lian.com below to illustrate with the example: First look at the confi

Knowledge of nine Cisco Routers

Cisco router knowledge has become more and more widely used in modern enterprises. Next we will briefly learn about the secure router configuration solution. Knowledge of nine Cisco routers required by network engineers 1. Are the routing protocols supported by Cisco routers compatible with those of other manufacturers? In addition to IGRP and VPN, one of the

Cisco PIX 515E Firewall Introduction

Cisco PIX 515E is an enhanced version of the widely used Cisco PIX 515 Platform, which provides industry-leading state firewalls and IP Security (IPSEC) virtual private network services. Cisco PIX 515E is designed for small and medium business and enterprise remote offices with stronger processing power and integrated, hardware-based IPSec acceleration. The

Cisco firewall Internet Service provider success stories

Any new services provided by XB company are striving to meet four standards. First, services must be complete and scalable and flexible; In addition, services must be easily managed so that the XB network can provide the best service to its customers and ensure the reliability of the services. After comparing the firewall products of another vendor, the XB network chose Cisco's Cisco ios® Firewall product and Cisc

How to securely collect Cisco router IP traffic

I would like to introduce how to obtain the IP traffic of a Cisco router. Many people may not know how to retrieve the IP address of a Cisco router. 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. A router is a bridge of a computer network and a core device connecting to an IP network. It can not only connect to differen

How to Prevent hackers from taking over a Cisco router (1)

A Cisco router is a commonly used routing product in large and medium-sized networks. As a core router, It is the soul of the entire network. If the Administrator is improperly set, the security deployment may be taken over by attackers if it is not in place. In that case, all the networks under it will fall, and the extent of its harm is self-evident. 1. One Security Test (1) take over the Cisco Router I r

Cisco Network device Naming conventions

1. CISCO starts the product is the router;2. RSP starts with the CISCO7500 series of engines;3. VIP start-up products are the Cisco 7500 series of multi-functional interface processor modules;4. The products that start with PA are modules of the Cisco 7500/7200 Series products;5. The NPE starts with the CISCO7200 series engine;6. NM starts with the

A detailed analysis of Cisco router configuration

Users using Cisco routing, many of them do not pay much attention to doing Cisco router configuration work, in fact this is a very important part, especially for our network security. There are several ways to do Cisco router configuration. The configuration can be done by the TFTP server over the network, through the menu interface provided at startup, and by th

Explore in detail the Cisco router global debugging method

There are a lot of users using Cisco routers, So I studied the global debugging of Cisco routers and shared it with you here. I hope it will be useful to you. When configuring a Cisco router, the boundaries between global and interface commands are obvious. In this case, we use "Global" to identify commands that cannot be used for interface debugging or specific

Describes how to configure Cisco routers.

I believe that users who use Cisco routers have some knowledge about the configuration of Cisco routers. Here we mainly analyze how to use the Cisco router configuration master port OSOLE to connect VT100 and compatible terminals, and pass Win 3. X or Win 95 terminal simulation program for configuration and other router configuration methods, as a port device con

Detailed introduction to the performance and characteristics of Cisco VPN Routers

With the development of China's routing industry, it also promotes the constant update and upgrade of routing technology. Here we mainly introduce the performance and characteristics of Cisco VPN Router, with the development of the Internet, online Communication and transactions have become an important way for people to work. At the same time, network security also mentions the agenda of various enterprises. In the face of the severe challenges of da

Cisco TelePresence System Default Root Account Security Vulnerability

Release date: 2011-11-10Updated on: 2011-11-11 Affected Systems:Cisco TelePresence Systems (CTS)Description:--------------------------------------------------------------------------------Cisco TelePresence is a Cisco TelePresence solution that collaborates with colleagues, partners, and customers around the world in a timely manner. Cisco TelePresence has multip

Cisco FireSIGHT System Software cross-site scripting (CVE-2016-1293)

Cisco FireSIGHT System Software cross-site scripting (CVE-2016-1293)Cisco FireSIGHT System Software cross-site scripting (CVE-2016-1293) Release date:Updated on:Affected Systems: Cisco FireSIGHT Management Center 6.0.1 Description: CVE (CAN) ID: CVE-2016-1293The Cisco FireSIGHT Management Center can centrally manage t

Cisco ios xr bgp Packet Processing Denial of Service Vulnerability

Cisco ios xr bgp Packet Processing Denial of Service Vulnerability Release date: 2010-08-30Updated on: 2010-08-31 Affected Systems:Cisco ios xr 3.4.0-3.9.1Description:--------------------------------------------------------------------------------Cve id: CVE-2010-3035 Cisco ios xr is an operating system with self-protection and self-repair functions used in Cisco

Cisco router hardware structure

A Cisco router is a network device that connects multiple networks or CIDR blocks. It can translate data from different networks or CIDR blocks ", so that they can "read" each other's data to form a larger network. A vro consists of hardware and software. The hardware is mainly composed of physical hardware and circuits such as the central processor, memory, interface, and control port. The software is mainly composed of the IOS operating system of th

Configure a Cisco router to implement VoIP

A router is a commonly used network device. How should we configure VOIP implementation? What are the specific operation steps? The following article will give you a detailed introduction. Using the Cisco router configuration can easily implement VoIP, So I studied the statements related to the Cisco router configuration and shared them here, hoping to be useful to everyone. VoIPVoice over IP) is a technolo

Cisco IOS and ios xe Software Denial of Service Vulnerability (CVE-2015-0681)

Cisco IOS and ios xe Software Denial of Service Vulnerability (CVE-2015-0681)Cisco IOS and ios xe Software Denial of Service Vulnerability (CVE-2015-0681) Release date:Updated on:Affected Systems: Cisco IOS Description: Bugtraq id: 75995CVE (CAN) ID: CVE-2015-0681Cisco IOS is an interconnected network operating system used on most

Cisco AsyncOS Denial of Service Vulnerability (CVE-2015-6291)

Cisco AsyncOS Denial of Service Vulnerability (CVE-2015-6291)Cisco AsyncOS Denial of Service Vulnerability (CVE-2015-6291) Release date:Updated on:Affected Systems: Cisco AsyncOS Cisco AsyncOS 9. x-9.1.1-023Cisco AsyncOS 9.6.x-9.6.0-046Cisco AsyncOS 9.5.x Description: CVE (CAN) ID: CVE-2015-6291The

Cisco AsyncOS Memory leakage Denial of Service Vulnerability (CVE-2016-1383)

Cisco AsyncOS Memory leakage Denial of Service Vulnerability (CVE-2016-1383)Cisco AsyncOS Memory leakage Denial of Service Vulnerability (CVE-2016-1383) Release date:Updated on:Affected Systems: Cisco AsyncOS Description: CVE (CAN) ID: CVE-2016-1383The Cisco AsyncOS operating system improves the security and per

Cisco DHCP configuration Graphic Display (1)

Cisco DHCP configuration has always been our focus. We have also sorted out some materials in this regard. The following is the specific content. A company uses Cisco 3620 as the ios dhcp Server. the IP address of the fastethernet0 port connected to the Intranet is 192.168.1.4, And the L2 Switch uses two Cisco 2950, A layer-3 Switch uses a

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