GS2220 Series User’s Guide
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24.4.3 MLD Sno o ping - pro xy VLAN Po rt Role Se tting
Click the Port Ro le Se tting link in the Adva nc e d Applic a tio n > Multic a st > IPv6 Multic a st > MLD Sno o ping -
pro xy > VLAN screen to display the screen as shown. See
Section 24.1 on page 223 for more information
on multicasting.
Robustness Variable Enter the number of queries. A multicast address entry (learned only on an upstream port
by snooping) is removed from the forwarding table when there is no response to the
configured number of queries sent by the router connected to the upstream port. This
value should be exactly the same as what’s configured in the connected multicast
router.
This value is used to calculate the amount of time an MLD snooping membership entry
(learned only on the upstream port) can remain in the forwarding table.
Last Member Query
Interval
Enter the amount of time (in miliseconds) between the MLD group-specific queries sent by
an upstream port when an MLD Done message is received. This value should be exactly
the same as what’s configured in the connected multicast router.
This value is used to calculate the amount of time an MLD snooping membership entry
(learned only on the upstream port) can remain in the forwarding table after a Done
message is received.
When an MLD Done message is received, the Switch sets the entry’s lifetime to be the
product of La st Me mb e r Q ue ry Inte rva l and Ro bustne ss Va ria ble .
Downstream
Query Interval Enter the amount of time (in miliseconds) between general query messages sent by the
downstream port.
Maximum Response
Delay
Enter the maximum time (in miliseconds) that the Switch waits for a response to a general
query message sent by the downstream port.
Add Click this to create a new entry or to update an existing one.
This saves your changes to the Switch’s run-time memory. The Switch loses these changes
if it is turned off or loses power, so use the Sa ve link on the top navigation panel to save
your changes to the non-volatile memory when you are done configuring.
Cancel Click Ca nc e l to reset the fields to your previous configuration.
Clear Click Cle a r to reset the fields to the factory defaults.
Index This is the index number of the MLD snooping-proxy VLAN entry in the table. Click on an
index number to view more details or change the settings.
VID This field displays the ID number of the VLAN group.
Select an entry’s check box to select a specific entry. Otherwise, select the check box in
the table heading row to select all entries.
Delete Click De le te to remove the selected entries permanently.
Cancel Click Ca nc e l to clear the check boxes.
Table 103 Advanced Application > Multicast > IPv6 Multicast > MLD Snooping-proxy > VLAN
LABEL DESCRIPTIO N
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