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Packet Analysis: HSRP, EIGRP, STP And CDP
In this video, Tony Fortunato covers packet analysis and key protocol considerations.
Tony Fortunato
January 22, 2016
1 Min Read
I am a huge fan of packet analysis to ensure your network devices are configured and behaving as you expect them to be.
In this video, I analyze multicast and broadcast packets, focusing on two Cisco routing protocols -- HSRP and EIGRP -- as well as Spanning Tree Protocol (STP) and Cisco Discovery Protocol (CDP). Specifically, I go over some of the protocol contents, what they mean and what you might want to tune.
As you go through packets, it's important to ask yourself the following questions:
Does this protocol need to be on this segment?
Is this protocol properly configured?
Is there any further tuning that could be applied to this protocol?
Are there any security considerations for network protocols (i.e., clear text information)?
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