Allied-telesis AT-S63 Uživatelský manuál stáhnout pdf (Strana 373)

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AT-S63 Management Software Command Line Interface User’s Guide

Section III: IGMP Snooping, MLD Snooping, and RRP Snooping 373

for queries from the router. If the switch does

not detect any queries from a multicast

router during the specified time interval, the

router is assumed to be no longer active on

the port.

The actual timeout may be ten seconds less

that the specified value. For example, a

setting of 25 seconds can result in the switch

classifying a host node or multicast router as

inactive after just 15 seconds. A setting of 10

seconds or less can result in the immediate

timeout of an inactive host node or router.

numbermulticastgroups Specifies the maximum number of multicast

addresses the switch learns. This parameter

is useful with networks that contain a large

number of multicast groups. You can use the

parameter to prevent the switch’s MAC

address table from filling up with multicast

addresses, leaving no room for dynamic or

static MAC addresses. The range is 1 to 255

addresses; the default is 64 addresses.

Note

The combined maximum number of multicast address groups for

IGMP and MLD snooping cannot exceed 255.

routerport Specifies the port(s) on the switch

connected to a multicast router. Options are:

port Specifies the router port(s)

manually.

all Specifies all of the switch ports.

none Sets the mode to manual

without any router ports

specified.

auto Activates auto-detect, where

the switch automatically

determines the ports with

multicast routers.

Description

This command configures the IGMP snooping parameters.

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