Network requirements ··········································································································································· 20
Configuration procedure ······································································································································ 20
Verifying the configuration ··································································································································· 20
DHCP overview ·························································································································································· 22
DHCP address allocation ·············································································································································· 22
Allocation mechanisms ········································································································································· 22
IP address lease extension···································································································································· 23
DHCP message format ··················································································································································· 24
DHCP options ································································································································································· 25
Common DHCP options ········································································································································ 25
Custom DHCP options ··········································································································································· 25
Protocols and standards ················································································································································ 27
Configuring the DHCP server ···································································································································· 29
Overview ········································································································································································· 29
DHCP address pool ··············································································································································· 29
IP address allocation sequence ···························································································································· 31
Configuration task list ··········································································································································· 31
Creating a DHCP address pool ··························································································································· 32
Enabling DHCP ······························································································································································ 40
Enabling handling of Option 82 ·································································································································· 42
Symptom ································································································································································· 49
Analysis ·································································································································································· 49
Solution ··································································································································································· 49
Overview ········································································································································································· 50
Operation ······························································································································································· 50
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