14.1.6 Relationship between DHCP Snooping and ARP Detectation.....................14-4
14.1.7 Other Precautions on DHCP Snooping Configuration .................................14-4
14.2 DHCP Snooping Configuration ................................................................................................14-5
14.2.1 Configuration of Enabling and Disabling DHCP Snooping ..........................14-5
14.2.2 Configuring DHCP Source MAC Check Function ........................................14-5
14.2.3 Configuring Static DHCP Snooping User .....................................................14-5
14.2.4 Configuring Static DHCP Snooping Information Option ...............................14-6
14.2.5 Configuring Static Address Binding of DHCP snooping ...............................14-6
14.2.6 Schedule Writing of DHCP Snooping Database Information to flash ..........14-7
14.2.7 Writing DHCP Snooping Database Information to Flash Manually .............14-8
14.2.8 Configuring Port as TRUST Port ..................................................................14-8
14.2.9 Clearing Dynamic User Information from DHCP Snooping Database .........14-8
14.3 Showing DHCP Snooping Configuration .................................................................................14-9
14.3.1 Showing DHCP snooping ............................................................................14-9
14.3.2 Showing DHCP Snooping Database Information ........................................14-9
15 IGMP Snooping Configuration .......................................................................................................... 15-1
15.1 Overview ..................................................................................................................................15-1
15.1.1 Understanding IGMP ...................................................................................15-1
15.1.2 Understanding IGMP Snooping ...................................................................15-4
15.1.3 Understanding Router Interface ...................................................................15-4
15.1.4 Understanding Operation Modes of IGMP Snooping ..................................15-7
15.1.5 Understanding Source Port Check ..............................................................15-8
15.1.6 Understanding fast-leave .............................................................................15-8
15.1.7 Understanding IGMP Snooping Suppression ..............................................15-8
15.1.8 Typical Application .......................................................................................15-8
15.2 Configuring IGMP Snooping ....................................................................................................15-9
15.2.1 IGMP Snooping Default .............................................................................15-10
15.2.2 Configuring IGMP Profiles .........................................................................15-10
15.2.3 Configuring Router Interface ...................................................................... 15-11
15.2.4 Configuring the Range of Multicast Frame Forwarded by Router Interface15-12
15.2.5 Configuring the Aging Time of the Route Interface in Dynamic Learning ..15-13
15.2.6 Configuring IVGL Mode..............................................................................15-13
15.2.7 Configuring SVGL Mode ............................................................................15-14
15.2.8 Configuring Coexistence Mode of IVGL and SVGL ...................................15-14
15.2.9 Configuring DISABLE Mode ......................................................................15-15
15.2.10 Configuring Maximum Response Time of Query Message .......................15-15
15.2.11 Configuring Source Port Check .................................................................15-15
15.2.12 Configuring Source IP Check .....................................................................15-16
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