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Contents
DHCP RELAY........................................................................................13
DHCP Relay ......................................................................................13
Feature Overview ...........................................................................13
Functionality ..................................................................................13
BOOTP Requests ...........................................................................13
BOOTP Replies ..............................................................................14
Using DHCP Relay with NAT .......................................................14
Command Line Interface ...............................................................14
Enabling DHCP Relay ...................................................................14
Disabling DHCP Relay ..................................................................15
Configuring the Gateway Address field when NAT is enabled .....15
Displaying DHCP Configuration ...................................................15
Displaying Statistics ......................................................................15
DHCP Limitations .........................................................................16
C
ONFIGURING INTERNET GROUP MANAGEMENT PROTOCOL ...........17
IGMP Configuration ..........................................................................17
IGMP Commands ..........................................................................18
IGMP Configuration Examples .....................................................18
Example 1 .......................................................................................18
Example 2 .......................................................................................18
Example 3 .......................................................................................18
Example 4 .......................................................................................18
Example 5 .......................................................................................19
Example 6 .......................................................................................19
Example 7 .......................................................................................19
Example 8 .......................................................................................19
Example 9 .......................................................................................19
Example 10 .....................................................................................19
Example 11 .....................................................................................19
Example 12 .....................................................................................19
Example 13 .....................................................................................19
F
ILTERING IP TRAFFIC.........................................................................21
IP Packet Filter Lists .........................................................................21
Example1 .......................................................................................21
Configure the Black Box LR1104A. ..............................................21
Example 2 ......................................................................................22
Configure the Black Box LR1104A ...............................................22
Example 3 ......................................................................................22
Configure the Black Box LR1104A ...............................................22
C
ONFIGURING SECURITY......................................................................23
IPSec Configurations .........................................................................23
Example 1: Managing the Black Box LR1104A Securely Over
an IPSec Tunnel .................................................................................24
Example 2: Single Proposal: Tunnel Mode Between Two Black