Instruction Manual
79
•
MSTP BPDUs Transmitted:
Displays the current BPDUs transmitted.
Multicast
Applying Changes to Properties Settings
1.
On the
Properties Setting
page, enter the following information:
•
Unknown Multicast Action
- Enables you to define the unknown multicast
traffic method.
•
Options include:
Drop, Flood or Send to router port.
•
IPv4 Forward Method
- Configure the IPv4 multicast forward method.
•
IPv6 Forward Method
- Configure the IPv6 multicast forward method.
2.
Click on the
Apply
button to apply changes to the Properties settings.
Viewing Properties Information
•
On the
Properties Information
page, the following information will be
displayed:
•
Unknown Multicast Action
: Displays the current unknown multicast action
status.
•
Forward Method For IPv4:
Displays the current IPv4 multicast forward
method.
•
Forward Method For IPv6:
Displays the current IPv6 multicast forward
method.
IGMP Snooping
The Internet Group Management Protocol (IGMP) lets host and routers share
information about multicast groups memberships. IGMP snooping is a switch
feature that monitors the exchange of IGMP messages and copies them to the
CPU for feature processing. The overall purpose of IGMP Snooping is to limit the
forwarding of multicast frames to only ports that are a member of the multicast
group.
About Internet Group Management Protocol (IGMP) Snooping
Computers and network devices that want to receive multicast transmissions
need to inform nearby routers that they will become members of a multicast
group. The Internet Group Management Protocol (IGMP) is used to communicate
this information. IGMP is also used to periodically check the multicast group for
members that are no longer active. In the case where there is more than one