Re: Switches and Multicast doubt

Yes - broadcasts have all bits set to 1, multicasts don't. It's very
easy to distinguish between them.

--
Marko Milivojevic - CCIE #18427
Senior Technical Instructor - IPexpert
FREE CCIE training: http://bit.ly/vLecture
Mailto: markom_at_ipexpert.com
Telephone: +1.810.326.1444
Web: http://www.ipexpert.com/
On Wed, Sep 28, 2011 at 08:10, CCIE KID <eliteccie_at_gmail.com> wrote:
> Hi fellas,
>
> I have a million dollar doubt. Whether switches understand multicast or not.
> Its all about the so called B I/G bit setting in the MAC frame. If the I bit
> is set to 1 then its a multicast address . But unfortunately the broadcast
> address also has the I bit set to 1 . So how does a switch differentiate
> multicast and broadcast. Is there any method used in cisco switches to
> differentiate. Can anyone help me out?
>
> --
> With Warmest Regards,
>
> CCIE KID
> CCIE#29992 Security
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
Blogs and organic groups at http://www.ccie.net