Service Manual

Command History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the C-Series and S-Series.
7.7.1.0 Introduced on the E-Series.
Example
Dell#show ip igmp ssm-map
Interface Vlan 20
Group 232.1.1.5
Uptime 00:11:22
Expires Never
Router mode INCLUDE
Last reporter 35.0.0.2
Group source list
Source address Expires
65.0.0.1 00:01:22
65.0.0.2 00:01:22
65.0.0.3 00:01:22
65.0.0.4 00:01:22
65.0.0.5 00:01:22
Related
Commands
ip igmp ssm-map — uses a statically configured list to translate (*,G) memberships
to (S,G) memberships.
IGMP Snooping Commands
Dell Networking OS supports IGMP Snooping version 2 and 3 on all Dell Networking systems.
Important Points to Remember for IGMP Snooping
• Dell Networking OS supports version 1, version 2, and version 3 hosts.
• Dell Networking OS IGMP snooping implementation is based on IP multicast address (not based on
Layer 2 multicast mac address) and the IGMP snooping entries are in Layer 3 flow table not in Layer 2
forwarding information base (FIB).
• Dell Networking OS IGMP snooping implementation is based on draft-ietf-magma-snoop-10.
• Dell Networking OS supports IGMP snooping on JUMBO-enabled cards.
• IGMP snooping is not enabled by default on the switch.
• A maximum of 1800 groups and 600 VLAN are supported.
Internet Group Management Protocol (IGMP)
765