Hi all. I have a multi layer switch acting as a router for inter vlan traffic between L2 switches. Currently the MLS has ip multicast-routing globally, ip sparse-dense-mode on VLANs, and no specified multicast groups. I see multicast group 22.214.171.124 on multiple VLANs, but not a single source. I'd like to remove ip sparse-dense-mode from these VLANs as I don't see the need for it. Based on the output below is it safe to say there are no end user interested in this multicast traffic?
45001-E1-CORESW1#sh ip igmp groups IGMP Connected Group Membership Group Address Interface Uptime Expires Last Reporter Group Accounted 126.96.36.199 Vlan800 3w3d 00:02:17 10.10.55.28 188.8.131.52 Vlan600 18w3d 00:02:17 10.10.51.89 184.108.40.206 Vlan100 18w2d 00:02:32 10.10.49.39
45001-E1-CORESW1#show ip igmp groups 220.127.116.11 detail
Flags: L - Local, U - User, SG - Static Group, VG - Virtual Group, SS - Static Source, VS - Virtual Source, Ac - Group accounted towards access control limit
Interface: Vlan800 Group: 18.104.22.168 Flags: Uptime: 3w3d Group mode: EXCLUDE (Expires: 00:02:40) Last reporter: 10.10.55.50 Source list is empty
Interface: Vlan600 Group: 22.214.171.124 Flags: Uptime: 18w2d Group mode: EXCLUDE (Expires: 00:02:40) Last reporter: 10.10.51.99 Source list is empty
Interface: Vlan100 Group: 126.96.36.199 Flags: Uptime: 18w2d Group mode: EXCLUDE (Expires: 00:02:31) Last reporter: 10.10.49.231 Source list is empty
45001-E1-CORESW1#sh ip mroute IP Multicast Routing Table Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected, L - Local, P - Pruned, R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join SPT, M - MSDP created entry, E - Extranet, X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement, U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel, z - MDT-data group sender, Y - Joined MDT-data group, y - Sending to MDT-data group V - RD & Vector, v - Vector Outgoing interface flags: H - Hardware switched, A - Assert winner Timers: Uptime/Expires Interface state: Interface, Next-Hop or VCD, State/Mode
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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