Web Management Guide-R05

Table Of Contents
Chapter 16
| Multicast Filtering
Layer 2 IGMP (Snooping and Query for IPv4)
– 585
Filtering IGMP Query
and Report Packets
Use the Multicast > IGMP Snooping > Interface (Configure Interface) page to
configure an interface to drop IGMP query or report packets.
Parameters
These parameters are displayed:
Interface
– Port or Trunk identifier.
IGMP Query Drop
– Configures an interface to drop any IGMP query packets
received on the specified interface. If this switch is acting as a Querier, this
prevents it from being affected by messages received from another Querier.
Rate Limit
– The maximum rate at which IGMP membership reports can be
sent from an interface. (Range: 5-255 pps)
Membership reports exceeding the configured limits for the interface are
dropped. This command can be used to prevent DoS attacks.
Web Interface
To drop IGMP query or report packets:
1.
Click Multicast, IGMP Snooping, Interface.
2.
Select Configure Interface from the Action list.
3.
Select Port or Trunk interface.
4.
Set the required rate limit for an interface.
5.
Click Apply.
Figure 372: Dropping IGMP Query or Report Packets