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Page 321 / 757 Scroll up to view Page 316 - 320
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DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch CLI Manual
317
Example usage:
To delete an IGMP snooping static group for VLAN 1, group 239.1.1.1:
DGS-3627:admin# delete igmp_snooping static_group vlan vlan1 239.1.1.1
Command: delete igmp_snooping static_group vlan vlan1 239.1.1.1
Success.
DGS-3627:admin#
config igmp_snooping static_group
Purpose
Used to configure an IGMP snooping multicast group static member port.
Syntax
config igmp_snooping static_group [vlan <vlan_name 32> | vlanid <vlanid_list> ] <
ipaddr > [ add | delete] <portlist>
Description
When a port is configured as a static member port, the IGMP protocol will not operate on this
port. For example, suppose that a port is a dynamic member port learned by IGMP. If this
port is configured as a static member later, then the IGMP protocol will stop operating on this
port. The IGMP protocol will resume once this port is removed from static member ports.
The static member port will only affect V2 IGMP operation.
Parameters
vlan
- Specify the name of the VLAN on which the static group resides.
vlanid
- Specify the ID of the VLAN on which the static group resides.
ipaddr
- Specify the multicast group IP address (for Layer 3 switch).
add
|
delete
- Specify to add or delete the member ports.
portlist
- Specify a range of ports to be configured.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To unset port range 9-10 from IGMP snooping static member ports for group 239.1.1.1 on default VLAN:
DGS-3627:admin# config igmp_snooping static_group vlan default 239.1.1.1 delete 2:9-2:10
Command: create igmp_snooping static_group vlan default 239.1.1.1 delete 2:9-2:10
Success.
DGS-3627:admin#
show igmp_snooping static_group
Purpose
Used to display an IGMP Snooping multicast group static member port.
Syntax
show igmp_snooping static_group {[vlan <vlan_name 32> | vlanid <vlanid_list>] <
ipaddr >}
Description
This command is used to display the IGMP snooping multicast group static members.
Parameters
vlan
- Specify the name of the VLAN on which the static group resides.
vlanid
- Specify the ID of the VLAN on which the static group resides.
ipaddr
- Specify the multicast group IP address (for Layer 3 switch).
Restrictions
None.
Example usage:
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To display all the IGMP snooping static groups:
DGS-3627:admin# show igmp_snooping static_group
Command: show igmp_snooping static_group
VLAN ID/Name
IP Address
Static Member Ports
--------------
------------------
------------------------
1 / Default
239.1.1.1
2:9-2:10
Total Entries : 1
DGS-3627:admin#
To display the IGMP snooping information for the default VLAN:
DGS-3627:admin# show igmp_snooping vlan default
Command: show igmp_snooping vlan default
IGMP Snooping Global State
: Disabled
Multicast router Only
: Disabled
VLAN
Name
: default
Query Interval
: 125
Max Response Time
: 10
Robustness Value
: 2
Last Member Query Interval
: 1
Host Timeout
: 260
Router Timeout
: 260
Leave Timer
: 2
Querier State
: Disabled
Querier Router Behavior
: Non-Querier
State
: Disabled
Fast Leave
: Disabled
Report Suppression
: Disabled
Version
: 3
Total Entries: 1
DGS-3627:admin#
show igmp_snooping group
Purpose
Used to display the current IGMP snooping group configuration on the switch.
Syntax
show igmp_snooping group {vlan <vlan_name 32>}
Description
This command displays the current IGMP snooping group configuration on the switch.
Parameters
vlan
- Specify the name of the VLAN for which you want to view IGMP snooping group
information.
If VLAN, ports and IP address are not specified, the system will display all current IGMP
snooping group information.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To show IGMP snooping groups:
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DGS-3627:admin# show igmp_snooping group
Command: show igmp_snooping group
Source/Group
: 10.0.0.2/225.0.0.2
VLAN Name/VID
:default/1
Port Memer
: 1-2
Mode
: INCLUDE
Source/Group
: 10.0.0.2/225.0.0.3
VLAN Name/VID
: default/1
Port Memer
: 3
Mode
: EXCLUDE
Source/Group
: NULL/225.0.0.5
VLAN Name/VID
: default/1
Port Memer
: 4-5
Mode
: EXCLUDE
Total Entries : 3
DGS-3627:admin#
show igmp_snooping forwarding
Purpose
Used to display the switch’s current IGMP snooping forwarding table.
Syntax
show igmp_snooping forwarding {vlan <vlan_name 32>}
Description
This command displays the switch’s current IGMP snooping forwarding table. It provides an
easy way for users to check the list of ports that the multicast group that comes from a
specific sources will be forwarded to. The packet comes from the source VLAN. They will be
forwarded to the forwarding VLAN. The IGMP snooping further restricts the forwarding ports.
Parameters
vlan
- Specify the name of the VLAN for which you want to view IGMP snooping forwarding
table information.
If no parameter is specified, the system will display all current IGMP snooping forwarding
table entries of the switch.
Restrictions
None.
Example usage:
To show all IGMP snooping forwarding entries located on the switch:
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DGS-3627:admin# show igmp_snooping forwarding
Command: show igmp_snooping forwarding
VLAN Name
: default
Source IP
: 10.90.90.114
Multicast Group: 225.0.0.0
Port Member
: 2,7
VLAN Name
: default
Source IP
: 10.90.90.10
Multicast Group: 225.0.0.1
Port Member
: 2,5
VLAN Name
: default
Source IP
: 10.90.90.20
Multicast Group: 225.0.0.2
Port Member
: 2,8
Total Entries : 3
DGS-3627:admin#
show router_ports
Purpose
Used to display the currently configured router ports on the switch.
Syntax
show router_ports {vlan <vlan_name 32>} {static | dynamic | forbidden}
Description
This command displays the currently configured router ports on the switch.
Parameters
vlan
- Specify the name of the VLAN on which the router port resides.
static
- Displays router ports that have been statically configured.
dynamic
- Displays router ports that have been dynamically configured.
forbidden
- Displays forbidden router ports that have been statically configured.
If no parameter is specified, the system will display all currently configured router ports on the
switch.
Restrictions
None.
Example usage:
To display router ports:
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DGS-3627:admin# show router_ports
Command: show router_ports
VLAN Name
: default
Static Router Port
: 1-10
Dynamic Router Port
:
Forbidden router port
:
VLAN Name
: vlan2
Static router port
:
Dynamic router port
:
Forbidden router port
:
Total Entries : 2
DGS-3627:admin#
config mld_snooping
Purpose
Used to configure MLD snooping on the switch.
Syntax
config mld_snooping [vlan_name <vlan_name 32> | vlanid <vlanid_list> | all]
{node_timeout <sec 1-16711450> | router_timeout <sec 1-16711450> | done_timer <sec
1-16711450> | state [enable | disable] | fast_done [enable | disable]}(1)
Description
This command is used to configure MLD snooping on the switch.
Parameters
vlan_name
- Specify the name of the VLAN for which MLD snooping is to be configured.
vlanid
- Specify the ID of the VLAN for which MLD snooping is to be configured.
all
- Specify all VLANs for which MLD snooping is to be configured.
node_timeout –
Specify the node time-out value here.
router_timeout –
Specify the
router
time-out value here.
done_timer –
Specify the done timer here.
state
- Enable or disable MLD snooping for the chosen VLAN.
fast_done
- Enable or disable MLD snooping fast_leave function.
If enable, the membership is immediately removed when the system receive the MLD leave
message.
If the multicast router query includes requests only for MLDv1 reports, the switch forwards
only the first MLDv1 report from all hosts for a group to all the multicast routers.
If the multicast router query also includes requests for MLDv2 reports, the switch forwards all
MLDv2 reports for a group to the multicast devices.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To configure MLD snooping:
DGS-3627:admin# config mld_snooping vlan default state enable
Command: config mld_snooping vlan default state enable
Success.
DGS-3627:admin#
config mld_snooping querier
Purpose
Used to configure the time in seconds between general query transmissions, the maximum
time in seconds to wait for reports from members, and the permitted packet loss that

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