Multicast
IPv4 Multicast Configuration
Cisco 350XG & 550XG Series 10G Stackable Managed Switches
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•
IGMP Querier Version
— Select the IGMP version to be used if the device
becomes the elected querier. Select IGMPv3 if there are switches and/or
Multicast routers in the VLAN that perform source-specific IP Multicast
forwarding. Otherwise, select IGMPv2.
•
Querier Source IP Address
—Select the device source interface to be used
in messages sent. In MLD this address is selected automatically by the
system.
NOTE
If the Auto option is selected, the system takes the source IP address
from the IP address defined on the outgoing interface.
STEP 3
Click
Apply
. The Running Configuration file is updated.
NOTE
Changes in IGMP Snooping timers configuration, such as: Query Robustness,
Query Interval etc. do not take effect on timers which were already created.
IGMP Interface Settings
An interface that is defined as a Multicast router port receives all IGMP packets
(reports and queries) as well as all Multicast data.
To define IGMP on an interface:
STEP 1
Click
Multicast
>
IPv4 Multicast Configuration > IGMP Interface Settings
.
The following fields are displayed for each interface on which IGMP is enabled:
•
Interface Name
—Interface on which IGMP snooping is defined.
•
Router IGMP Version
—IGMP version.
•
Query Robustness—Enter the number of expected packet losses on a link
•
Query Interval (sec)
—Interval between the General Queries to be used if
this device is the elected querier.
•
Query Max Response Interval (sec)
—Delay used to calculate the Maximum
Response Code inserted into the periodic General Queries.
•
Last Member Query Interval (msec)
—Maximum Response Delay to be
used if the device cannot read Max Response Time value from group-
specific queries sent by the elected querier.
