Pushkar Sambhoos bio

[elwheele]

     Pushkar Sambhoos

                                                   

Pushkar Sambhoos joined Cisco in 2007, and serves as an Escalation Engineer for the Network Mangement technology area in Cisco TAC.  Pushkar supports most Cisco wired and wireless Network Management products, specifically the Wireless Control System and Mobile Services Engine. He has worked extensively on Network Management techonologies supporting key customers and in driving product quality with various internal business units. He holds a Bachelors degree in Electronics and a Masters degree in Telecommunications from the University of Colorado. He is also a CCIE in the Routing and Switching and Service Provider tracks (CCIE # 19532).

                             

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[trebron1983]

Hi Pushkar,

Im not sure if i am in the correct forum to ask this question however I'll post the question anyways and if im not in the correct area please advise for future reference.

I am currently learning CCENT and am on the OSI model. In the text regarding MAC addresses:

"Although the source address will always be a unicast or single destination address, the destination address can be unicast , multicast (a determined subset of nodes), or broadcast (all nodes in a broadcase domain) address"

I understand the first part, a MAC address on the source PC is a single destination address on a LAN but the second part is confusing. Is it saying the although the MAC address on the LAN a single address, it can be a part of a multicast (group of nodes) or a broadcast (all nodes). Or has the single MAC address have other capabilities being a multicast and broadcast? Im confused!!

Cheers,
Norbert