value of the temporary self-reverse Access Table item. The default value is 300 s, you can modify the global timeout value through ip reflexive-list timeout in global mode or set the timeout value in the corresponding application line, which takes precedence over the global setting value ).
The basic format of the anti-list is:
Ip access-list extended xxx
Permit protocol source destination reflect name [time-out seconds]
Ip access-list extended yyy
Evaluate name)
Finally, it is enabled on the i
Cisco routers are the leader in the routing industry. Their product quality is still very good. Cisco Wireless AP is also one of Cisco's most important products. Requirement Overview: A Cisco Wireless AP is used to build an enterprise wireless LAN. A user's notebook can log on to the wireless network without adding an AD domain. the user name and password of the
This article will discuss the importance of maintaining the password security of a Cisco router, explain the Cisco router mode, and show readers how to configure five passwords for a vro to protect network security.
Causes of vro security protection using passwords
First, as a Cisco device administrator, we must realize that vrouters do not have any automated pas
This article describes how to quickly install and maintain a vro from the aspects of control port interface connection, initialization and installation, and troubleshooting and detection of common routing faults. See the detailed description below.
A terminal or PC configured with a Cisco router must also use a valid power supply. Cisco synchronous serial interfaces are commonly used. Different interfaces c
The Cisco router has a very high market demand. At the same time, users are not familiar with some features. Here we will introduce some questions about the Cisco Router password restoration for your reference.
How Cisco Router password is restored
1) The Cisco router stores several different configuration parameters a
It is very important to know some questions about Cisco router configuration. So I have studied the detailed introduction of Cisco router configuration statements, and I will share them with you here, hoping to help you. Cisco routers once dominated enterprise wide area network applications. However, according to the CCID report in recent years, huawei and
Different vro models and different cracking methods:The general method is the same:Enter monitoring mode: 1. Press ctrl + break 2 within 60 seconds, the register value starts with 0x0, and directly enters monitoring modeModify the register value to 0x2142. Load IOS directly without loading the configuration file.Summary steps:1. Restart ctrl + break2. confreg 0x2142 modify the register value to 0x2142Reset restart3. copy startup-config running-config to copy the startup information to the runnin
The Cisco simulator runs in a Windows environment and consumes resources. Therefore, Dynamips is installed on the CentOS6 Linux operating system to simulate Cisco routing and switching.1. Download:Download several required packages[Root @ cisco test] # wget http://www.ipflow.utc.fr/dynamips/dynamips-0.2.8-RC2-x86.bin[Root @ c
One, the internal components of the Cisco routerIn order to configure, Cisco Internetwork and troubleshoot, we must first understand the major components of the Cisco routers and understand these componentsThe respective function.Table 7-1 gives a description of the major components of the Cisco router.
The micro
: 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
After the update is completed today, a long Cisco router command is divided into three articles, which will be helpful for users to read and hope that everyone can get the result from it, I believe these articles will certainly help some people.
I. Starting with the Cisco router command M:Mbranch traces the multicast address down to the terminalMedia-type defines the Media typeMetric holddown isolates the n
Cisco is the main force in the entire vswitch. Its products are doing very well in the market. The following article will detail some of the usage skills and precautions of Cisco switches, in many organizations, the core backbone switches are primarily Cisco.
In the process of debugging and maintaining Cisco switches,
With the development of China's routing industry, its application is also more extensive, especially the application of routers and firewalls. Here we mainly explain the security configuration of NetEye firewall and Cisco router. Firewall has become a key part of enterprise network construction. However, many users think that Cisco routers already exist in the network and some simple packet filtering functi
Cisco AsyncOS Denial of Service Vulnerability (CVE-2016-1382)Cisco AsyncOS Denial of Service Vulnerability (CVE-2016-1382)
Release date:Updated on:Affected Systems:
Cisco AsyncOS
Description:
CVE (CAN) ID: CVE-2016-1382The Cisco AsyncOS operating system improves the security and performance of
Maybe many people do not know the actual application of the NetEye firewall and the Cisco router. Next we mainly analyze the security problems of the NetEye firewall and the Cisco router. Firewall has become a key part of enterprise network construction. However, many users think that there are already routers in the network and some simple packet filtering functions can be implemented. So why should we use
No one liked this, but sooner or later there would be a router crash. All that should be done now is to save the key information in the router memory so as to identify the cause of the router crash and prevent this situation from happening again. To do this, you need to configure the vro to save the core dump information stored on the vro at the time of crash. Next, I will tell you what is the core dump information, what is its usefulness, and how to save these files that are very important for
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 technology that transmits voice over the Internet. It has grown with the development of Internet technology. It integrates voice technology with network transmission, and gives full play to the rol
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