PS, IGMP is something enabled by default. IGMP is the protocol used by end hosts (multicast receivers) to communicate that they wish to receive a group.
On Fri, Apr 30, 2010 at 10:54 AM, Joe Astorino <[email protected]> wrote: > The purpose of doing it is to simulate a user/machine that wants to > receive the multicast traffic so that you can test. You are basically > telling the router "join this multicast group". When you have a > receiver joining the group, you can test that your multicast is > actually working by pinging that group address. When you ping the > group address you become a multicast source, and any receivers (the > router) should respond) > > > > On Fri, Apr 30, 2010 at 10:45 AM, Bodnar, Edward > <[email protected]> wrote: >> I have a quick question. All this time when asked I have been using the >> command “ ip igmp join x.x.x.x” >> >> >> >> Because I am asked to join a group in a lab. Why would I want to do this? >> What purpose does it server. I believe multicast will still talk to that >> group if I did not put that command in correct? >> >> >> >> I think my foundation on Multicast for the real world is a little shaky >> here. Same thing with enabling IGMP. What does that do for me? >> >> ED, >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> > > > > -- > Regards, > > > > Joe Astorino - CCIE #24347 > Sr. Technical Instructor - IPexpert > Mailto: [email protected] > Telephone: +1.810.326.1444 > 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 > -- Regards, Joe Astorino - CCIE #24347 Sr. Technical Instructor - IPexpert Mailto: [email protected] Telephone: +1.810.326.1444 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 _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
