7000 Series L3 Managed Switch Reference Manual for Software v2.0

Format

config igmpsnooping interface mode <slot.port/all>

 

<enable/disable>

show mfdb table

This command displays the Multicast Forwarding Database (MFDB) information. If the command is entered with no parameter, the entire table is displayed. This is the same as entering the optional all parameter. The user can display the table entry for one MAC Address by specifying the MAC address a an optional parameter.

Format

show mfdb table [macaddr/all]

Mac Address

A unicast MAC address for which the switch has forwarding and

 

or filtering information. The format is 6 or 8 two-digit hexadeci-

 

mal 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 8 bytes. In an SVL system, the MAC address will be

 

displayed as 6 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 process or protocol.

Component

The component that is responsible for this entry in the Multicast

 

Forwarding Database. Possible values are IGMP Snooping,

 

GMRP, and Static Filtering.

Description

The text description of this multicast table entry.

Interfaces

The list of interfaces that are designated for forwarding (Fwd:)

 

and filtering (Flt:).

Forwarding Interfaces

The resultant forwarding list is derived from combining all the

 

component’s forwarding interfaces and removing the interfaces

 

that are listed as the static filtering interfaces.

show mfdb gmrp

This command displays the GARP Multicast Registration Protocol (GMRP) entries in the Multicast Forwarding Database (MFDB) table.

Format

show mfdb gmrp

Mac Address

A unicast MAC address for which the switch has forwarding and

 

or filtering information. The format is 6 or 8 two-digit hexadeci-

 

mal numbers that are separated by colons, for example

 

01:23:45:67:89:AB. In an IVL system the MAC address will be

 

 

Switching Commands

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NETGEAR L3 manual Show mfdb table, Show mfdb gmrp