Contents 29
Configuring Protected Ports . . . . . . . . . . . . 799
Configuring LLPF . . . . . . . . . . . . . . . . . . 800
Port-Based Traffic Control Configuration Example. . . 801
25 Configuring L2 Multicast Features . . . . 803
L2 Multicast Overview. . . . . . . . . . . . . . . . . . 803
Multicast Flooding and Forwarding . . . . . . . . 803
What Are the Multicast Bridging Features? . . . . 804
What Is L2 Multicast Traffic?. . . . . . . . . . . . 804
What Is IGMP Snooping?. . . . . . . . . . . . . . 805
What Is MLD Snooping? . . . . . . . . . . . . . . 807
What Is Multicast VLAN Registration?. . . . . . . 808
When Are L3 Multicast Features Required? . . . . 809
What Are GARP and GMRP?. . . . . . . . . . . . 810
Snooping Switch Restrictions. . . . . . . . . . . . . . 812
Partial IGMPv3 and MLDv2 Support . . . . . . . . 812
MAC Address-Based Multicast Group. . . . . . . 812
IGMP/MLD Snooping in a Multicast Router . . . . 812
Topologies Where the Multicast Source Is
Not Directly Connected to the Querier . . . . . . . 813
Using Static Multicast MAC Configuration. . . . . 813
IGMP Snooping and GMRP. . . . . . . . . . . . . 813
Default L2 Multicast Values. . . . . . . . . . . . . . . 814
Configuring L2 Multicast Features (Web) . . . . . . . . 816
Multicast Global Parameters . . . . . . . . . . . . 816
Bridge Multicast Group. . . . . . . . . . . . . . . 817
MRouter Status. . . . . . . . . . . . . . . . . . . 820
General IGMP Snooping . . . . . . . . . . . . . . 821
Global Querier Configuration . . . . . . . . . . . . 824
VLAN Querier. . . . . . . . . . . . . . . . . . . . 825