Configuring The Packet Discarding Alarm Function - Huawei Quidway S2700 Series Configuration Manual

Quidway S2700 Series Ethernet Switches
Configuration Guide - Security
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3.8.3 Configuring the Packet Discarding Alarm Function

After the alarm function is enabled, alarm messages are displayed if DHCP attacks occur.
Context
The packet discarding alarm function can be configured globally and on the interface.
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Procedure
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Issue 01 (2011-07-15)
quit
Return to the system view.
7. (Optional) Run:
interface interface-type interface-number
The interface view is displayed.
8. (Optional) Run:
dhcp snooping disable
DHCP snooping is disabled on the specified interface in the VLAN.
To disable DHCP snooping on a specified interface in a VLAN, perform steps 6 and
7.
Enabling DHCP snooping in the interface view
1. Run:
system-view
The system view is displayed.
2. Run:
dhcp enable
DHCP is enabled globally.
3. Run:
dhcp snooping enable
DHCP snooping is enabled globally.
4. Run:
interface interface-type interface-number
The interface view is displayed.
5. Run: dhcp snooping enableDHCP snooping is enabled on an interface.
The packet discarding alarm function configured globally takes effect for all interfaces.
The packet discarding alarm function configured on an interface takes effect for a specified
interface. If the packet discarding alarm function is not configured on an interface, the
global configuration is used.
Configuring the packet discarding alarm function globally
1. Run:
system-view
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3 DHCP Snooping Configuration
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