How to know the benefits of easily Easy Learning port security
“On this page you will find about the benefits of easily Easy Learning port securityport security a major role in IT department and in the Computer professional . We will explain why easily Easy Learning port security is important, how to Learning Learning port security, and how to learn it if you're unfamiliar with Learning port security. "
What is Learning port security and why is it important?
Learning port security used in go for easy IT department.Therefore, in everyday learning , Learning port security is added to the life help the go to IT profesional job. On this page we have explained in detail in writing what is the solution to How to learning Easy Learning port security.
Why is Learning port security impotent?
Learning port security and Reminders:
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How to know the benefits of easily Easy Learning Learning port security:
Port security
Switchport security's mode (protect, Restrict, and shtdown), sticky
Anyone can access unsecured network resources by simply plugging his host into one of our available switch ports. A user also changes his physical location on the LAN network without telling the admin. You can secure layer two access as well as keep. their tracks by using features.
Create a simple practice lab as show diagram.
Switchport -port -security violation:
We need to specify what action it should take in security violation. Three possible modes are available.
Protect:
This mode will only work with sticky options. In this mode, a frame from a non-allowed address will be dropped.It will not make a log entry for the dropped frame. The interface will learn to address until it reaches the maximum allowed number. Any additionally learned address would be dropped while keeping the interface operational.
Diagram :
Restrict:
In restricted mode, frames from non-allowed addresses would be dropped. But in this mode, the switch will make a log entry and generate a security violation draft.
Shutdown :
This mode is mostly preferred compared to other modes as it shuts down the port immediately if unauthorized access is made. It will also generate a log, increment counter value and send a SNMP trap. This port will remain in a shut-down state until the administrator perform a "no shutdown "command.
Sticky:
This is not a violation mode. By using a sticky command, the user provides static MAC address security without typing the absolute MAC address.
Configuration :
sl(config)#int fa 0/1
sl(config)#switch mode access
sl(config)#switchport port-security
Port-security
Mac-address
Maximum
Vioalation
sl(config)#switchport port-security violation
Protect
restrict
shutdown
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