Tyson, The way you ruled this really makes sense. What came to my mind when I read your response was "flex links" to support Layer 2 redundancy with STP disabled. This soultion stills works and is valid. Please have a look for further details about flex links: http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_55_se/configuration/guide/swflink.html
Cheers fellows, Moath rawashdeh, CCIE #26986. > From: [email protected] > To: [email protected]; [email protected] > Date: Wed, 22 Dec 2010 09:41:44 -0500 > Subject: Re: [OSL | CCIE_RS] loop prevention and redundancy > > Uli, > > what they, Jason and Khaled, have said is correct. But I will say you are > correct and your co-workers are incorrect :). STP is a mechanism to prevent > loops. Network design is used to provide redundancy. If that design > provides redundant paths then STP is used to prevent redundant paths from > creating loops. > > STP = Loop prevention > > Regards, > > Tyson Scott - CCIE #13513 R&S, Security, and SP > Managing Partner / Sr. Instructor - IPexpert, Inc. > Mailto: [email protected] > Telephone: +1.810.326.1444, ext. 208 > Live Assistance, Please visit: www.ipexpert.com/chat > eFax: +1.810.454.0130 > > IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, > Audio Tools, Online Hardware Rental and Classroom Training for the Cisco > CCIE (R&S, Voice, Security & Service Provider) certification(s) with > training locations throughout the United States, Europe, South Asia and > Australia. Be sure to visit our online communities at > www.ipexpert.com/communities and our public website at www.ipexpert.com > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Uli > Sent: Wednesday, December 22, 2010 7:17 AM > To: <[email protected]> > Subject: [OSL | CCIE_RS] loop prevention and redundancy > > Hi Expert, > > Since most of my time study cisco only in lab environment (in my > university)and now I get into real world situation, I found something that > bother me a lot. In my understanding STP is for loop prevention and not for > redundancy, right ? but why my colleague and people I met they said it's for > redundancy (those guys are already in this business for at least 3 years > experience).Thus, I always argue with them..hmm am I missed something here ? > because for redundancy we can use HSRP, GLBP and VRRP. > > > Thanks > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
