Huawei S1700 Series - Page 162

S1700 Managed Series Ethernet Switches
Web User Manual
9 Security
Issue 05 (2012-10-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
152
Table 9-26 Parameters of Interface Parameter Settings
Item
Description
Query
Search the parameter settings of specified interface in Interface
Name.
Interface Name
Interface Number.
Packet Limit
Prevent a large number of DHCP Request packets sent by attackers
to attack switch.
Maximum Threshold
Maximum threshold value received.
Renewal Check
Avoid attacking DHCP Server through fake DHCP renewal packet
sent by attacker.
Renewal Alarm
Give an alarm when the received DHCP renewal message exceeds
alarm threshold.
Alarm Threshold
The maximum threshold value of received renewal packets.
Chaddr Check
Avoid attacking DHCP Server by changing the CHADDR value.
Chaddr Alarm
Give an alarm when the received CHADDR value exceeds alarm
threshold value.
Alarm Threshold
The maximum threshold value where the message can be changed
by received CHADDR value.
Configure DHCP Snooping Parameter for Interface.
Step 1 Click Security> DHCP Snooping.
Step 2 Click Interface Parameter Settings in Tab.
Step 3 Click the checkbox on the left side of DHCP Snooping parameter interface to be configured,
and then click Configure button, the configuration page is displayed as follows.
Figure 9-39 Configure Interface Parameter
Step 4 Configure the needed Parameter.