IGMP Snooping Help
Help for IGMP Global Snooping Configuration and Status
Use this menu to configure the parameters for IGMP Snooping, which is used to build
forwarding lists for multicast traffic.
Note that only a user with Read/Write access privileges may change the data on this screen.
Configurable Data
- Admin Mode - Select the administrative mode for IGMP Snooping for the switch from the
pulldown menu.
The default is disable.
Non-Configurable Data
- Multicast Control Frame Count
- The number of multicast control frames that are processed by the CPU.
- Interfaces Enabled for IGMP Snooping
- A list of all the interfaces currently enabled for IGMP Snooping.
- Data Frames Forwarded by the CPU
- The number of data frames forwarded by the CPU.
- VLAN Ids Enabled For IGMP Snooping - Displays VLAN Ids enabled for IGMP snooping.
Command Buttons
- Submit - Update the switch with the values you entered.
If you want the switch to retain the new values across a power cycle you must perform a save.
You will only see this button if you have Read/Write access privileges.
Help for IGMP Snooping Interface Configuration
Configurable Data
- Slot/Port
- The single select box lists all physical ,VLAN and LAG interfaces.
Select the interface you want to configure.
- Admin Mode
- Select the interface mode for the selected interface for IGMP Snooping for the switch from the pulldown menu.
The default is disable.
- Group Membership Interval
- Specify the amount of time you want the switch to wait for a report for a particular
group on a particular interface before it deletes that interface from the group.
Enter a value between 1 and 3600 seconds. The default is 260 seconds.
- Max Response Time
- Specify the amount of time you want the switch to wait after sending a
query on an interface because it did not receive a report for a particular group on that
interface. Enter a value greater or equal to 1 and less than the Group Membership Interval in seconds.
The default is 10 seconds.
The configured value must be less than the Group Membership Interval.
- Multicast Router Present Expiration Time
- Specify the amount of time you want the switch to wait to receive
a query on an interface before removing it
from the list of interfaces with multicast routers attached.
Enter a value between 0 and 3600 seconds. The default is 0 seconds.
A value of zero indicates an infinite timeout, i.e. no expiration.
- Fast Leave Admin mode
- Select the Fast Leave mode for the a particular interface from the pulldown menu.
The default is disable.
Command Buttons
- Submit - Update the switch with the values you entered.
If you want the switch to retain the new values across a power cycle you must perform a save.
You will only see this button if you have Read/Write access privileges.
Help for IGMP Snooping VLAN Configuration
Configurable Data
- VLAN ID
- Specifies list of VLAN IDs for which IGMP Snooping is enabled.
- VLAN ID
- Appears when "New Entry" is selected in VLAN ID combo box. Specifies VLAN ID for which pre-configurable Snooping parameters are to be set.
- Admin Mode
- Enable Igmp Snooping for the specified VLAN ID.
- Fast Leave Admin Mode
- Enable or disable the Igmp Snooping Fast Leave Mode for the specified VLAN ID.
- Group Membership Interval
- Sets the value for group membership interval of IGMP Snooping for the specified VLAN ID.
Valid range is (Maximum Response Time + 1) to 3600.
- Maximum Response Time
- Sets the value for maximum response time of IGMP Snooping for the specified VLAN ID.
Valid range is 1 to (Group Membership Interval - 1).Its value should be greater than group membership interval value.
- Multicast Router Expiry Time
- Sets the value for multicast router expiry time of IGMP Snooping for the specified VLAN ID.
Valid range is 0 to 3600.
Command Buttons
- Submit - Update the switch with the values you entered.
- Delete - Update the switch with the default values.
Help for IGMP Snooping VLAN Status
Non-Configurable Data
- VLAN ID
- All Vlan Ids for which the IGMP Snooping mode is Enabled.
- Admin Mode
- Igmp Snooping Mode for Vlan ID.
- Fast Leave Admin Mode
- Fast Leave Mode for Vlan ID.
- Group Membership Interval
- Group Membership Interval of IGMP Snooping for the specified VLAN ID.
Valid range is 2 to 3600.
- Maximum Response Time
- Maximum Response Time of IGMP Snooping for the specified VLAN ID.
Valid range is 1 to 3599.Its value should be greater than group membership interval value.
- Multicast Router Expiry Time
- Multicast Router Expiry Time of IGMP Snooping for the specified VLAN ID.
Valid range is 0 to 3600.
Help for Multicast Router Statistics
Non-Configurable Data
- Slot/Port
- The single select box lists all physical and LAG interfaces.
Select the interface for which you want to display the statistics.
- Multicast Router
- Specifies for the selected interface whether multicast router is enable or disabled.
Command Buttons
- Refresh - Refetch the database and display it again starting with the first entry in
the table.
Help for Multicast Router Configuration
Configurable Data
- Slot/Port
- The select box lists all Slot/Ports.
Select the interface for which you want Multicast Router to be enabled .
- Multicast Router
- Enable or disable Multicast Router on the selected Slot/Port.
Command Buttons
- Submit - Update the switch with the values you entered.
Help for Multicast Router Vlan Statistics
Selection Criteria
- Slot/Port
- The select box lists all Slot/Ports.Select the interface for which you want to display the statistics.
Non-Configurable Data
- VLAN ID
- All Vlan Ids for which the Multicast Router Mode is Enabled
- Multicast Router
- Multicast Router Mode for Vlan ID.
Help for Multicast Router Vlan Configuration
Selection Criteria
- Slot Port
- The select box lists all Slot/Ports.Select the interface for which you want Multicast Router to be enabled.
Configurable Data
- VLAN ID
- VLAN ID for which the Multicast Router Mode is to be Enabled or Disabled.
- Multicast Router
- For the Vlan ID, multicast router may be enabled or disabled using this.
Command Buttons
- Submit - Update the switch with the values you entered.