DES-3028 DES-3028P DES-3028G DES-3052 DES-3052P Layer 2 Fast Ethernet Switch CLI Reference Manual
138
config igmp snooping data_driven_learning
Purpose Used to configure the data driven learning of a IGMP snooping group.
Syntax
[ vlan_name <vlan_name 32> |all] { aged_out [enable|disable]}
Description This command is used to enable/disable the data driven learning of a
IGMP snooping group.
When data-driven learning is enabled for the VLAN, or when the
switch receives the IP multicast traffic on this VLAN, an IGMP
snooping group will be created. The learning of an entry is not
activated by IGMP membership registration, but by the traffic. For an
ordinary IGMP snooping entry, the IGMP protocol will acknowledge
the aging out of the entry. For a data-driven entry, the entry can be
specified so that it won’t be ageout or that it will be ageout by the
host_timeout timer.
When the data driven learning is enabled, the multicast filtering mode
for all ports are ignored so that the multicast packets will be forwarded
to router ports.
Note that if a data-driven group is created and IGMP member ports
are learned later, the entry will become an ordinary IGMP snooping
entry. The ageing out mechanism will follow the ordinary IGMP
snooping entry.
Parameters
<vlan_name 32> specifies the vlan name to be configured.
all – specifies all data driven entries.
aged_out Used to enable/disable the aging on the entry. By default,
the state is in disabled state.
Restrictions Only Administrator-level users can issue this command.
Example usage:
To configure the igmp snooping data driven entry:
DES-3028P:4#config igmp_snooping
data_driven_learning vlan_name default aged_out
enable
Command: config igmp_snooping data_driven_learning
vlan_name default aged_out enable
Success.
DES-3028P:4#
config igmp_snooping data_driven_learning
max_learned_entry
Purpose Used to configure the IGMP snooping data driven learning max
learned entry.
Syntax
<value 1-256>
Description Used to configure the IGMP snooping data driven learning max
learned entry.
Parameters None.
Restrictions Only Administrator-level users can issue this command.
Example usage:
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