Huawei S1700 Series Web User Manual page 82

S1700 Managed Series Ethernet Switches
Web User Manual
Table 5-23 Parameters of Editing IGMP Snooping VLAN
Item
VLAN
Querier Version
Status
Querier State
Fast Leave
Report Suppression Interval
Dynamic Mrouter Aging Time
General Query Max Response
Time
Specific Query Max Response
Time
Check Router Alert
Send Router Alert
Issue 05 (2012-10-25)
Description
It is used to identify VLAN which configures IGMP
Snooping.
Set the protocol version that is compatible with other
devices on the internet. The switch uses this IGMP
version to send IGMP common group query message.
Select enable or disable IGMP Snooping of VLAN.
When IGMP Snooping is enabled,. The switch will
monitor IGMP message to judge which switches intend
to receive multicast data stream.
When enabling this function, this switch can working
as querier and send IGMP query messages on this
network
Used to configure fast leave function for multicast
members on VLAN. After enabling it, the switch
receives an IGMP Leave Packet, this function will
allow multicast members to leave the group
immediately (the switch does not need to send IGMP
specific group query).
In a period, IGMP Snooping suppression to the
messages of the same content, supporting the
suppression for IGMPv1 member message, IGMPv2
member message and IGMPv2 Leave message. 0
indicates the function of disable message suppression.
The aging time for configuring dynamic route; 0
represent the aging time of dynamic route with global
configuration.
The maximum permissible time of the host sending
IGMP response message after receives general group
query. The range of permissible time is 1-25 seconds,
and the default is 10 seconds. 0 indicates maximum
response time of general group with global settings.
The maximum permissible time of the host sending
IGMP response message after receives specific group
query. The range of permissible time is 1-5 seconds. 0
indicates maximum response time of specified group
with global settings.
Check the Router-Alert options in IGMP message
header; if enable this function, then IGMP message‟s
IP header received by the current VLAN must be
attached to Router Alert ( IGMPv1 message excluded),
otherwise drop this message.
Router-Alert option includes whether to send router
alert in IGMP message header.
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