F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Configuration Guide-6PW100

iv
Configuring inline forwarding in the Web interface ······················································································· 138
Configuring inline forwarding at the CLI ·········································································································· 140
Configuration guidelines ···································································································································· 142
Configuring inter-VLAN Layer 2 forwarding ············································································································· 142
How inter-VLAN Layer 2 forwarding works ····································································································· 142
Configuration procedure ···································································································································· 143
Displaying and maintaining inter-VLAN Layer 2 forwarding ········································································· 145
Inter-VLAN Layer 2 forwarding configuration example ·················································································· 145
Displaying frame forwarding statistics ······················································································································· 147
Overview ······························································································································································ 147
Displaying frame forwarding statistics ·············································································································· 147
DHCP overview ······················································································································································· 148
DHCP address allocation ············································································································································ 148
Allocation mechanisms ······································································································································· 148
Dynamic IP address allocation process············································································································· 149
IP address lease extension·································································································································· 149
DHCP message format ················································································································································· 150
DHCP options ······························································································································································· 151
Common DHCP options ······································································································································ 151
Custom options ···················································································································································· 151
Protocols and standards ·············································································································································· 155
Configuring the DHCP server ································································································································· 156
Overview ······································································································································································· 156
DHCP address pool ············································································································································· 156
IP address allocation sequence ·························································································································· 157
DHCP server configuration guidelines ·············································································································· 157
Configuring the DHCP server in the Web interface ································································································· 158
Recommended configuration procedure ··········································································································· 158
Enabling DHCP ···················································································································································· 158
Creating a static address pool for the DHCP server ························································································ 159
Creating a dynamic address pool for the DHCP server ·················································································· 161
Enabling the DHCP server on an interface ······································································································· 162
Displaying information about assigned IP addresses ······················································································ 163
Static IP address assignment configuration example······················································································· 163
Dynamic IP address allocation configuration example ··················································································· 166
Configuring the DHCP server at the CLI ···················································································································· 170
DHCP server configuration task list ··················································································································· 170
Configuring an address pool on the DHCP server ·························································································· 171
Enabling DHCP ···················································································································································· 178
Enabling the DHCP server on an interface ······································································································· 178
Applying an extended address pool on an interface ······················································································ 178
Configuring the DHCP server security functions ······························································································· 179
Enabling client offline detection ························································································································· 180
Enabling handling of Option 82 ······················································································································· 180
Specifying the threshold for sending trap messages ······················································································· 181
Displaying and maintaining the DHCP server ·································································································· 181
Static IP address assignment configuration example······················································································· 182
Dynamic IP address allocation configuration example ··················································································· 183
Self-defined option configuration example ······································································································· 185
Troubleshooting DHCP server configuration ············································································································· 186
Configuring the DHCP relay agent ························································································································ 187
Overview ······································································································································································· 187
Fundamentals ······················································································································································· 187