Contents
xxi
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
CHAPTER
23 Configuring Dynamic ARP Inspection 23-1
Understanding Dynamic ARP Inspection 23-1
Interface Trust States and Network Security 23-3
Rate Limiting of ARP Packets 23-4
Relative Priority of ARP ACLs and DHCP Snooping Entries 23-4
Logging of Dropped Packets 23-5
Configuring Dynamic ARP Inspection 23-5
Default Dynamic ARP Inspection Configuration 23-5
Dynamic ARP Inspection Configuration Guidelines 23-6
Configuring Dynamic ARP Inspection in DHCP Environments 23-7
Configuring ARP ACLs for Non-DHCP Environments 23-8
Limiting the Rate of Incoming ARP Packets 23-10
Performing Validation Checks 23-11
Configuring the Log Buffer 23-12
Displaying Dynamic ARP Inspection Information 23-14
CHAPTER
24 Configuring IGMP Snooping and MVR 24-1
Understanding IGMP Snooping 24-2
IGMP Versions 24-3
Joining a Multicast Group 24-3
Leaving a Multicast Group 24-5
Immediate Leave 24-6
IGMP Configurable-Leave Timer 24-6
IGMP Report Suppression 24-6
IGMP Snooping and Switch Stacks 24-7
Configuring IGMP Snooping 24-7
Default IGMP Snooping Configuration 24-7
Enabling or Disabling IGMP Snooping 24-8
Setting the Snooping Method 24-9
Configuring a Multicast Router Port 24-10
Configuring a Host Statically to Join a Group 24-11
Enabling IGMP Immediate Leave 24-11
Configuring the IGMP Leave Timer 24-12
Configuring TCN-Related Commands 24-13
Controlling the Multicast Flooding Time After a TCN Event 24-13
Recovering from Flood Mode 24-13
Disabling Multicast Flooding During a TCN Event 24-14
Configuring the IGMP Snooping Querier 24-15
Disabling IGMP Report Suppression 24-16
