CHAPTER 15: IGMP
CONFIGURING IGMP THROUGH THE COMMAND LINE INTERFACE
MULTILINK ML810 MANAGED EDGE SWITCH – INSTRUCTION MANUAL
15–7
•
Multicasting Unknown Streams
shows if the control of multicast streams is on
(Enabled) or off (Disabled).
The
show-group
command displays the multicast groups.
show-group
The following command sequence illustrates how to display IGMP groups:
ML810(igmp)##
show-group
GroupIp
PortNo Timer LeavePending
----------------------------------------
224.1.0.1 1
155 0
224.0.1.40 1
155 0
ML810(igmp)##
The output of the
show-group
command displays the following information:
•
Group IP
column shows the multicast groups.
•
Port No
shows the port where the multicast group is being detected.
•
Timer
shows the amount of time left in seconds before the group port will be
deleted (or will not be able to route multicast traffic) if the switch does not receive a
membership report.
•
Leave Pending
column shows the number of leave messages received from this
port
Every port can be individually set to three different IGMP modes - auto, block and forward.
•
Auto
- lets IGMP control whether the port should or should not participate sending
multicast traffic
•
Block
- manually configures the port to always block multicast traffic
•
Forward
- manually configures the port to always forward multicast traffic
To set the port characteristics, use the
set-port
command in the IGMP configuration
mode.
set-port
port=< port|list|range> mode=<auto|forward|block>
The
show-port
command displays the port characteristics for IGMP.
show-port
The
show-router
command displays detected IGMP-enabled router ports.
show-router
The
set-leave
command enables or disables the switch to immediately process a host
sending a leave message rather that wait for the timer to expire.
set-leave
<enable|disable>
The
set-querier
command enables or disables a switch as IGMP querier.
set-querier
<enable|disable>
The
set-qi
command sets the IGMP querier router to periodically send general host-
query messages. These messages are sent to ask for group membership information. This
is sent to the all-system multicast group address, 224.0.0.1. The valid range can be from 60
to 127 seconds, with a default of 125.
set-qi
interval=<value>
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Страница 74: ...4 18 MULTILINK ML810 MANAGED EDGE SWITCH INSTRUCTION MANUAL TROUBLESHOOTING CHAPTER 4 OPERATION ...
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