Oh nO , its just a 3640 router acting as 2950 and 6509. On Thu, Nov 26, 2009 at 5:10 PM, Joe Astorino <[email protected]>wrote:
> FYI I received your post all three times on the list : ) I agree that you > should be seeing the information in the tables. I am not sure as to why or > if it is a GNS3 thing, but you might want to try manually enabling IGMP > Snooping globally or per VLAN. I know it is enabled by default, but you > might want to give that a try and let us know how it works out. This is a > real 2950 switch? How do you have version 12.4 ??? > > On Thu, Nov 26, 2009 at 6:03 AM, Taqdir Singh <[email protected]>wrote: > >> Not sure why I m not able to post my questions .. so forwarding 3rd >> time :-) >> >> >> >> Hi Team : >> >> Could anyplease please clear this.. >> >> *Please see attached diagram and configurations.* >> >> Note :-- I am doing this practical on GNS3 not real routers/switches >> 1) IGMP snooping is enabled on 6509 and 2950. >> 2) IP Pim dense mode is enabled on Vlan 1 and Vlan 2 so that they can send >> query. >> >> Now question is >> >> from SOURCE when I do a ping to 239.1.2.3 , I do get reply from Host 2 but >> I dont see any outputs in mac multicast table and igm group table on 2950 as >> below >> >> >> *2950#show ip igmp groups* >> IGMP Connected Group Membership >> Group Address Interface Uptime Expires Last >> Reporter Group Accoun >> ted >> *2950#show mac-address-table multicast* >> >> NM Slot: 0 >> -------------- >> >> MACADDR VLANID INTERFACES >> 2950# >> >> As per IGMP Theory , switch adds the corresponding ports who are >> interested in receiving multicast to its forwarding table but i dont see it. >> Moreover nothing is shown up in IGMP group table. Howver I see IGMP group on >> 6509. >> >> Could anyone please clear this concept when , On Which devices (Layer2 or >> Layer 3) and how we see the IGMP snooping table ? >> >> -- >> Taqdir Singh >> Network Engineering >> >> "An expert is a man who has made all the mistakes which can be made" >> >> >> >> -- >> Taqdir Singh >> Network Engineering >> >> "An expert is a man who has made all the mistakes which can be made" >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> > > > -- > Regards, > > Joe Astorino CCIE #24347 (R&S) > 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 Classroom and Self-Study Cisco CCNA (R&S, > Voice & Security), CCNP, CCVP, CCSP and CCIE (R&S, Voice, Security & Service > Provider) Certification Training with locations throughout the United > States, Europe and Australia. Be sure to check out our online communities at > www.ipexpert.com/communities and our public website at www.ipexpert.com > > > -- Taqdir Singh Network Engineering "An expert is a man who has made all the mistakes which can be made"
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