Owner's Manual

GS700TPS Smart Switch Software Administration Manual
Configuring Switching Settings 4-44
v1.0, June 2009
ports also receive the Multicast, causing increased network traffic. Multicast forwarding filters
enable forwarding of Layer 2 packets to port subsets, defined in the Multicast filter database.
The device supports forwarding L2 Multicast Packets. Multicast forwarding is enabled by default,
and not configurable by user.
The Multicast menu contains the following options:
• “Basic”
• “Advanced”
Basic
The Multicast Basic menu contains the following options:
• “IGMP Snooping Configuration”
IGMP Snooping Configuration
The IGMP Snooping Configuration screen contains information for enabling and defining IGMP
Snooping on the device. When IGMP snooping is enabled, all IGMP packets are forwarded to the
CPU. The CPU analyzes the incoming packets and determines which ports to join which Multicast
groups, which ports have Multicast routers generating IGMP queries, and what routing protocols
are forwarding packets and Multicast traffic. A port requesting to join a specific Multicast group
issues an IGMP report specifying that Multicast group. This results in the creation of the Multicast
filtering database.
To configure Basic IGMP Snooping:
1. Click Switching > Multicast > Basic > IGMP Snooping Configuration.
The Basic IGMP
Snooping Configuration screen displays:
Figure 4-27