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User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
Switching Commands 8-109
202-10088-01, March 2005
Multicast Control Frame Count This displays the number of multicast control frames that are pro-
cessed by the CPU.
show mac-address-table igmpsnooping
This command displays the IGMP Snooping entries in the Multicast Forwarding Database
(MFDB) table.
Format
show mac-address-table igmpsnooping
Mode Privileged EXEC
Mac Address A multicast MAC address for which the switch has forwarding and or filtering
information. The format is two-digit hexadecimal numbers that are separated by
colons, for example 01:23:45:67:89:AB. In an IVL system the MAC address
will be displayed as a MAC address and VLAN ID combination of 8 bytes.
Type This displays the type of the entry. Static entries are those that are configured by
the end user. Dynamic entries are added to the table as a result of a learning pro-
cess or protocol.
Description The text description of this multicast table entry.
Interfaces The list of interfaces that are designated for forwarding (Fwd:) and filtering
(Flt:).
IGMP Snooping per VLAN
This section provides a detailed explanation of the IGMP Snooping per VLAN commands. The
commands are divided into two functional groups:
• Show commands display spanning tree settings, statistics, and other information.
• Configuration Commands configure features and options of the switch. For every
configuration
set igmp
This command enables IGMP snooping on a particular VLAN, and in turn enabling IGMP
snooping on all interfaces participating in this VLAN.
Default
disable
Format set igmp <vlanId>