R3721-F3210-F3171-HP High-End Firewalls Network Management Configuration Guide-6PW101

Table Of Contents
iv
Configuring inline forwarding at the CLI ·········································································································· 141
Displaying and maintaining inline Layer 2 forwarding ·················································································· 142
Forward-type inline Layer 2 forwarding configuration example at the CLI ··················································· 142
Blackhole-type inline Layer 2 forwarding configuration example at the CLI ················································ 143
Configuration guidelines ············································································································································· 143
Viewing frame forwarding statistics ··························································································································· 143
Overview ······························································································································································ 143
Configuration procedure ···································································································································· 143
DHCP overview ······················································································································································· 145
DHCP overview ···························································································································································· 145
DHCP address allocation ············································································································································ 145
Allocation mechanisms ······································································································································· 145
Dynamic IP address allocation process············································································································· 146
DHCP message format ················································································································································· 147
DHCP options ······························································································································································· 147
Common DHCP options ······································································································································ 148
Custom options ···················································································································································· 148
Protocols and standards ·············································································································································· 151
Configuring DHCP server ······································································································································· 152
Introduction to DHCP server ········································································································································ 152
DHCP address pool ············································································································································· 152
IP address allocation sequence ·························································································································· 153
Configuring the DHCP server in the web interface ·································································································· 153
DHCP server configuration task list ··················································································································· 153
Enabling DHCP ···················································································································································· 154
Creating a static address pool for the DHCP server ························································································ 155
Creating a dynamic address pool for the DHCP server ·················································································· 157
Enabling the DHCP server on an interface ······································································································· 158
Display the information of assigned IP addresses ··························································································· 158
DHCP server configuration examples················································································································ 159
Static IP address assignment configuration example······················································································· 159
Dynamic IP address assignment configuration example ················································································· 161
Configuring the DHCP server at the CLI ···················································································································· 165
DHCP server configuration task list ···························································································································· 165
Configuring an address pool for the DHCP server ·························································································· 166
Enabling DHCP ···················································································································································· 174
Enabling the DHCP server on an interface ······································································································· 174
Applying an extended address pool on an interface ······················································································ 175
Configuring the DHCP server security functions ······························································································· 175
Enabling Option 82 handling ···························································································································· 176
Specifying the threshold for sending trap messages ······················································································· 177
Displaying and maintaining the DHCP server ·································································································· 177
DHCP server configuration examples················································································································ 178
Static IP address assignment configuration example······················································································· 178
Dynamic IP address assignment configuration example ················································································· 180
Self-defined option configuration example ······································································································· 181
Troubleshooting DHCP server configuration ············································································································· 182
Configuring DHCP relay agent ······························································································································ 184
Introduction to DHCP relay agent ······························································································································ 184
Application environment ····································································································································· 184
Fundamentals ······················································································································································· 184
DHCP relay agent support for Option 82 ········································································································ 185
Configuring the DHCP relay agent in the web interface ························································································· 186