© Copyright Lenovo 2016
Chapter 4: Configuration Commands
573
IGMP Snooping Configuration
IGMP
Snooping
allows
the
switch
to
forward
multicast
traffic
only
to
those
ports
that
request
it.
IGMP
Snooping
prevents
multicast
traffic
from
being
flooded
to
all
ports.
The
switch
learns
which
server
hosts
are
interested
in
receiving
multicast
traffic,
and
forwards
it
only
to
ports
connected
to
those
servers.
The
following
table
describes
the
commands
used
to
configure
IGMP
Snooping.
Table 305.
IGMP
Snooping
Configuration
Options
Command Syntax and Usage
[no]
ip
igmp
snoop
enable
Enables
or
disables
IGMP
Snooping.
Command
mode:
Global
configuration
[no]
ip
igmp
snoop
mrouter
timeout
<1
‐
600>
Configures
the
timeout
value
for
IGMP
Membership
Queries
(mrouter).
Once
the
timeout
value
is
reached,
the
switch
removes
the
multicast
router
from
its
IGMP
table,
if
the
proper
conditions
are
met.
The
range
is
from
1
to
600
seconds.
The
default
is
255
seconds.
Command
mode:
Global
configuration
[no]
ip
igmp
snoop
port
<port
alias
or
number>
Adds
or
removes
the
selected
port
to/from
IGMP
Snooping.
Command
mode:
Global
configuration
[no]
ip
igmp
snoop
source
ip
<IP
address>
Configures
the
source
IP
address
used
as
a
proxy
for
IGMP
Group
Specific
Queries.
Command
mode:
Global
configuration
ip
igmp
snoop
vlan
<VLAN
ID
(1
‐
4094)>
Adds
the
selected
VLAN(s)
to
IGMP
Snooping.
Command
mode:
Global
configuration
no
ip
igmp
snoop
vlan
{
<VLAN
ID
(1
‐
4094)>
|all}
Removes
all
VLANs
or
just
the
specified
VLAN(s)
from
IGMP
Snooping.
Command
mode:
Global
configuration
default
ip
igmp
snoop
Resets
IGMP
Snooping
parameters
to
their
default
values.
Command
mode:
Global
configuration
show
ip
igmp
snoop
Displays
the
current
IGMP
Snooping
parameters.
Command
mode:
All
Summary of Contents for RackSwitch G8332
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