Go CCIE Go!! - A Cisco Certified Internetwork Expert

Thanks Anthony J Sequeira for the useful information. >

On Thu, Oct 16, 2008 at 2:01 AM, Anthony J Sequeira wrote:
> The first reason typically given is scalability. This is due to the fact > that with VLANs we can break the network up into smaller, more manageable > broadcast domains (TCP/IP subnets). > > When you replace your hubs with switches and setup your workstations for > Full Duplex operation, your network has just become incredibly more > efficient. This is due to eliminated collisions as each system is now > intelligently having its traffic forwarded to the correct unicast > recipient. > > The problem that still remains, however, is broadcast traffic. The more > switches you add, and the more clients that join the single VLAN, the more > broadcast traffic becomes an issue. VLANs allow us to carve the single > broadcast domain into multiple broadcast domains. This gives us a > scalability solution for broadcast traffic as well as unicast. > > I hope this helps you…for more generic information on the wonders of > VLANs > - check out - > > http://en.wikipedia.org/wiki/VLAN > > Warmest regards, > > Anthony J. Sequeira, CCIE #15626, CCSI #23251 > Senior CCIE Instructor > > asequeira@internetworkexpert.com > > Internetwork Expert, Inc. > http://www.InternetworkExpert.com > Toll Free: 877-224-8987 > Outside US: 775-826-4344 > > > > > On 10/15/08 6:49 PM, “nouman abbasi” wrote: > > > Hi, > > > > Why do u use VLANS ?? > > > > Most common answer is Security / Broadcast Domain ?? > > can some add more to it… > > > > > > > > Thanks > > > > > > Blogs and organic groups at http://www.ccie.net > > > > _______________________________________________________________________ > > Subscription information may be found at: > > http://www.groupstudy.com/list/CCIELab.html
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