Huawei Quidway S7700 Configuration Manual - Multicast page 99
Smart routing switch
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- Configuration manual (833 pages) ,
- Configuration manual - ethernet (648 pages) ,
- Hardware description (205 pages)
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Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast
l
Issue 01 (2011-07-15)
General Query messages is 1/4 of the interval for sending IGMP General Query
messages.
– When receiving a Leave message, the S7700 sends the IGMP Group-Specific
Query messages for the time specified by the value of the robustness variable at
the interval that you set.
By default, the robustness variable is 2.
5.
Run:
max-response-time interval
The maximum response time for an IGMP Query message is set.
By default, the maximum response time for an IGMP Query message is 10 seconds.
6.
Run:
timer other-querier-present interval
The Keepalive period of other IGMP queriers is set.
By default, the Keepalive period of other IGMP queriers = Robustness variable x
Interval for sending General Query messages + Maximum response time x 1/2. When
the values of the parameters in the formula are the default values, the Keepalive period
of other IGMP queriers is 125 seconds.
7.
Run:
lastmember-queryinterval interval
The interval at which S7700 sends IGMP Group-Specific Query messages is set.
By default, the interval for sending IGMP Group-Specific Query messages is 1 second.
Configuring the IGMP querier on an interface
1.
Run:
system-view
The system view is displayed.
2.
Run:
interface interface-type interface-number
The interface view is displayed.
The S7700 uses this interface to communicate with hosts. On the S7700, VLANIF
interfaces and loopback interfaces support IGMP.
3.
Run:
igmp timer query interval
The interval for sending IGMP General Query messages is set.
By default, the interval for sending IGMP General Query messages is 60 seconds.
4.
Run:
igmp robust-count robust-value
The IGMP robustness variable is set.
– When the system starts, the system sends General Query messages for a number
of times specified by the value of the robustness variable. The interval for sending
messages is 1/4 of the interval for sending IGMP General Query messages.
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4 IGMP Configuration
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