
Application Note
124
7.2.8 DHCP filter
7.2.8.1 Scenario
7.2.8.2 Confighuration
Step 1: create the filter rule for DHCP filter
$create filter rule entry ruleid 3 action drop ruledir in
Entry Created
Rule Id : 3 Rule Action : drop
Set Priority : - Admin status : disable
Stats admin status : disable Rule Priority : High
Rule Direction : IN ApplyWhenReq : disable
Pkt Type : Ucast
Application Description : -
Snoop Level : interface
$
Step 2: create the subrule
$create filter subrule udp ruleid 3 subruleid 1 dstportfrom 67 dstportto
68 srcportcmp any dstportcmp inrange subruleprio high
Entry Created
Rule Id : 3 Subrule Id : 1
Start source port : - End source port : -
Start destination port : 67 End destination port : 69
Source port comparison : Any Destination port comparison :
InRange
Subrule Priority : high
Transport Header : Ethernet
Step 3: enable the rule
$modify filter rule entry ruleid 3 status enable
Rule Id : 3 Rule Action : drop
Set Priority : - Admin status : disable
Stats admin status : disable Rule Priority : High
Rule Direction : IN ApplyWhenReq : disable
Pkt Type : Ucast
Application Description : -
Snoop Level : interface
Set Done
Rule Id : 3 Rule Action : drop
Set Priority : - Admin status : enable
Stats admin status : disable Rule Priority : High
Rule Direction : IN ApplyWhenReq : disable
Pkt Type : Ucast
Application Description : -
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