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1. #Switchport port security mac address sticky mac address how to#
2. #Switchport port security mac address sticky mac address mac#

Let’s now see the basic port-security configuration on Cisco switches.

#Switchport port security mac address sticky mac address mac#

It’s called Port Security and you can use it to limit the number of MAC addresses per interface or even to specify which MAC address can connect to each physical port of the switch. The solution to this kind of attacks (and also to other Layer 2 attacks) is easy and simple. This means that the attacker can capture the traffic from connected devices. The switch will learn these MAC addresses and once the switch reaches its MAC address learning limit it will start flooding all the traffic to all of its ports (i.e it will start behaving like a hub). In MAC-flooding, an attacker can connect a laptop into an empty Switch port or empty RJ45 wall socket, and he can use hacking tools to generate millions of Ethernet frames with fake source MAC addresses and send them to the switch interface. This means that the switch can play an important role in network security since it’s the entry-point of the network.įor example, port- security on Cisco switches can be used to stop MAC-flooding attacks or prevent non-authorized hosts to connect to the switch. Rule #6: Homework / Educational Questions must display effort.One of the best practices in network security is to try and stop security threats from the entry-point of a LAN network. Rule #3: No BlogSpam / Traffic re-direction. Rule #2: No Certification Brain Dumps / Cheating. r/NetworkingJobs /r/sysadmin /r/ITCareerQuestions /r/CSCareerQuestions /r/ccna /r/juniper /r/jncia /r/ccnp /r/jncis /r/ccdp /r/jncip /r/ccie /r/ccde /r/cisco /r/jncie /r/HomeNetworking /r/TechSupport /r/Network /r/ipv6 /r/networkautomation /r/outages Related IRC Channels Topics that may affect one locale does not contribute enterprise networking discussions.Political posts tend to attract the wrong crowd and overly aggressive vocalization.This subreddit invites redditors from all around the globe to discuss enterprise networking.Show us how you think you should solve those issues, and we will validate or offer enhancement to your initial attempt.Don't ask us what we would buy for a given project./r/itcareerquestions /r/ccna and /r/ccent are all available for early-career discussions.This sub-reddit is dedicated to higher-level, more senior networking topics.

#Switchport port security mac address sticky mac address how to#

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