Allied-telesis AT-S62 Manual de usuario Pagina 339

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AT-S62 Management Software Command Line Interface User’s Guide
Section II: Advanced Operations 339
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router is assumed to be no longer active on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.
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.
Examples
The following command activates IGMP snooping, sets the IGMP topology
to Multi-Host, and sets the timeout value to 120 seconds:
set ip igmp snoopingstatus=enabled hoststatus=multihost
timeout=120
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