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4. To remove addresses from the exception lists, click the checkbox in the
click
Remove Checked
5. Click
Apply/Save
to commit your changes.
The fields on this page are explained in the following table.
Field Name
Description
Multicast Precedence
Select whether IGMP packets are given priority handling and at what level. Options are:
Select whether strict grouping is applied to IGMP packets. Options are Enable and Dis-
Multicast Strict Group-
able .
ing Enforcement
IGMP Configuration
and
MLD Configuration
Default Version
Select the supported IGMP version. Options are 1 - 3.
Query Interval
Enter the interval (in seconds) at which the multicast router sends a query messages to
hosts. the default is 125.
Note: If you enter a number below 128, the value is used directly. If you enter a number
128, it is interpreted as an exponent and mantissa.
Query Response Inter-
Upon receiving a query packet, a host begins counting down seconds, from a random num-
val
ber. When the timer expires, the host sends its report. The default is 10 seconds.
Enter the maximum number of seconds that a host can pick to count down from. The
value must be greater than the
seconds.
Last Member Query
Enter the maximum response time (in seconds) within which the host must respond to the
Interval
Out of Sequence query from the router. The default is 10 seconds.
IGMP uses this value when the router receives an IGMPv2 Leave report indicating at least
one host wants to leave the group. Upon receiving the Leave report, the router verifies
whether the interface is configured for IGMP Immediate Leave. If not, the router sends
the out-of-sequence query.
Robustness Value
Enter the value representing the complexity of the query. The greater the value, the
more robust the query. Options are 2 - 7. The default is 2.
Maximum Multicast
Enter the maximum number of groups allowed. The default is 25.
Groups
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Entries. The list refreshes immediately.
1 - 4: IGMP packets are prioritized using the multicast precedence value. The
l
lower the multicast precedence value, the higher that IGMP packets will be
placed in the queue.
Disable: IGMP packets are not prioritized. This is the default.
l
sections
Query
Remove
column next to the address(es) and then
Interval. If using IGMP v1, this value is fixed at 10
99
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