H3c-technologies H3C S3100V2 Series Switches Instrukcja Użytkownika Pobierz pdf (Strona 26)

Task Remarks

Configuring the function of dropping unknown multicast

data

Optional

Configuring IGMP report suppression Optional

Configuring maximum multicast groups that a port can

join

Optional

Configuring 802.1p precedence for IGMP messages Optional

Configuring multicast group replacement Optional

Configuring a multicast user control policy Optional

NOTE:

• In IGMP snooping view, the configuration is effective for all VLANs. In VLAN view, the configuration is

effective for only the ports that belong to the current VLAN. For a given VLAN, the confi

uration made

in IGMP snooping view is not effective if you make the same configuration in VLAN view.

• In IGMP snooping view, the configuration is effective for all ports. In Ethernet interface view or Layer 2

aggregate interface view, the configuration is effective for only the current port. In port group view, the

configuration is effective for only all ports in the current port group. For a given port, the confi

uration

made in IGMP snooping view is not effective if you make the same configuration in Ethernet interface

view, Layer 2 aggregate interface view or port group view.

• For IGMP snooping, the configuration on a Layer 2 aggregate interface does not interfere with that

its member ports, nor does the configuration takes part in aggregation calculations. The confi

uration

on a member port of the aggregate group will take effect after it leaves the aggregate group.

Configuring basic functions of IGMP snooping

Configuration prerequisites

Before you configure the basic functions of IGMP snooping, complete the following tasks:

• Configure the corresponding VLANs

• Determine the version of IGMP snooping

Enabling IGMP snooping

Follow these steps to enable IGMP snooping:

To do... Use the command... Remarks

Enter system view

system-view —

Enable IGMP snooping globally and

enter IGMP snooping view

igmp-snooping

Required

Disabled by default

Return to system view

quit —

Enter VLAN view

vlan vlan-id —

Enable IGMP snooping in the VLAN

igmp-snooping enable

Required

Disabled by default

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