Author: Richard Pateau
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DAI Optional Checks and Rate Limiting
For this discussion I am going to dive into more DAI and the additional features that It has. The two additional features that can be optionally added on top of DAI are “optional checks” and “rate limiting.” DAI optional checks are optional features that can be added after the IP to MAC mapping has been…
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What is DAI?
Today I am going to talk about DAI. DAI is a layer 2 feature that can be applied on most Cisco switches. It stands for “Dynamic ARP inspection” and this layer 2 feature is vital for protecting the network from any ARP based attacks such as MITM, ARP spoofing and even DOS attacks that are…
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What is ARP?
One fundamental networking concept is ARP (Address Resolution Protocol) and how it empowers communication on a local network. When a host needs to send traffic, the destination IP is already known but the destination MAC is unknown which makes Ethernet delivery not possible because it needs both a source MAC and destination MAC address. Since…
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Welcome to Networking Notebook
Hello everyone, my name is Richard Pateau and I am currently studying for the Cisco CCNA. I started learning about networking earlier this year while preparing for the Network+ certification. After having taken the certification and passed, I realized that I genuinely enjoy networking, not just passing the certification but actually understanding how a network…