D-Link DES-3828 Product Manual - Page 127

IGMP Snooping Commands, config igmp_snooping

Page 127 highlights

xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch CLI Manual 17 IGMP SNOOPING COMMANDS The IGMP Snooping commands in the Command Line Interface (CLI) are listed (along with the appropriate parameters) in the following table. Command Parameters config igmp_snooping [ | all] {host_timeout | router_timeout | leave_timer | state [enable | disable] | fast_leave [enable | disable]} config igmp_snooping querier [ | all] {query_interval | max_response_time | robustness_variable | last_member_query_interval | state [enable | disable]} config router_ports [add | delete] enable igmp_snooping {forward_mcrouter_only} show igmp_snooping {vlan } disable igmp_snooping {forward_mcrouter_only} show igmp snooping group vlan show router_ports {vlan } {static | dynamic} show igmp_snooping forwarding {vlan } Each command is listed, in detail, in the following sections. config igmp_snooping Purpose Syntax Description Parameters Restrictions Used to configure IGMP snooping on the Switch. config igmp_snooping [ | all] {host_timeout | router_timeout | leave_timer | state [enable | disable]} | fast_leave [enable | disable]} This command allows users to configure IGMP snooping on the Switch. − The name of the VLAN for which IGMP snooping is to be configured. host_timeout − Specifies the maximum amount of time a host can be a member of a multicast group without the Switch receiving a host membership report. The default is 260 seconds. router_timeout − Specifies the maximum amount of time a route can be a member of a multicast group without the Switch receiving a host membership report. The default is 260 seconds. leave_timer − Specifies the amount of time a Multicast address will stay in the database before it is deleted, after it has sent out a leave group message. An entry of zero (0) specifies an immediate deletion of the Multicast address. The default is 2 seconds. state [enable | disable] − Allows users to enable or disable IGMP snooping for the specified VLAN. fast_leave [enable | disable] - This parameter allows the user to enable the fast leave function. Enabled, this function will allow members of a multicast group to leave the group immediately (without the implementation of the Last Member Query Timer) when an IGMP Leave Report Packet is received by the Switch. Only Administrator or Operator-level users can issue this command. 123

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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch CLI Manual
123
17
IGMP
S
NOOPING
C
OMMANDS
The IGMP Snooping commands in the Command Line Interface (CLI) are listed (along with the appropriate parameters) in the
following table.
Command
Parameters
config igmp_snooping
[<vlan_name 32> | all] {host_timeout <sec 1-16711450> | router_timeout
<sec 1-16711450> | leave_timer <sec 0-16711450> | state [enable |
disable] | fast_leave [enable | disable]}
config igmp_snooping querier
[<vlan_name 32> | all] {query_interval <sec 1-65535> |
max_response_time <sec 1-25> | robustness_variable <value 1-255> |
last_member_query_interval <sec 1-25> | state [enable | disable]}
config router_ports
<vlan_name 32> [add | delete] <portlist>
enable igmp_snooping
{forward_mcrouter_only}
show igmp_snooping
{vlan <vlan_name 32>}
disable igmp_snooping
{forward_mcrouter_only}
show igmp snooping group
vlan <vlan_name 32>
show router_ports
{vlan <vlan_name 32>} {static | dynamic}
show igmp_snooping forwarding
{vlan <vlan_name 32>}
Each command is listed, in detail, in the following sections.
config igmp_snooping
Purpose
Used to configure IGMP snooping on the Switch.
Syntax
config igmp_snooping [<vlan_name 32> | all] {host_timeout <sec 1-
16711450> | router_timeout <sec 1-16711450> | leave_timer <sec 0-
16711450> | state [enable | disable]} | fast_leave [enable | disable]}
Description
This command allows users to configure IGMP snooping on the Switch.
Parameters
<vlan_name 32>
The name of the VLAN for which IGMP snooping is to be
configured.
host_timeout <sec 1-16711450>
Specifies the maximum amount of time a
host can be a member of a multicast group without the Switch receiving a
host membership report. The default is 260 seconds.
router_timeout <sec 1-16711450>
Specifies the maximum amount of time
a route can be a member of a multicast group without the Switch receiving a
host membership report. The default is 260 seconds.
leave_timer <sec 1-16711450>
Specifies the amount of time a Multicast
address will stay in the database before it is deleted, after it has sent out a
leave group message. An entry of zero (0) specifies an immediate deletion
of the Multicast address. The default is 2 seconds.
state [enable | disable]
Allows users to enable or disable IGMP snooping
for the specified VLAN.
fast_leave [enable | disable]
– This parameter allows the user to enable the
fast leave
function. Enabled, this function will allow members of a multicast
group to leave the group immediately (without the implementation of the
Last Member Query Timer) when an IGMP Leave Report Packet is received
by the Switch.
Restrictions
Only Administrator or Operator-level users can issue this command.