Cisco Systems 3560 사용자 설명서

These sections contain this configuration information:

 shows the default DHCP snooping configuration.

DHCP server

Enabled in Cisco IOS software, requires configuration

1

1.

The switch responds to DHCP requests only if it is configured as a DHCP server.

DHCP relay agent

Enabled

2

2.

The switch relays DHCP packets only if the IP address of the DHCP server is configured on the SVI of the DHCP client.

DHCP packet forwarding address

None configured

Checking the relay agent information

Enabled (invalid messages are dropped)

DHCP relay agent forwarding policy

Replace the existing relay agent information

DHCP snooping enabled globally

Disabled

DHCP snooping information option

Enabled

DHCP snooping option to accept packets on 
untrusted input interfaces

3

3.

Use this feature when the switch is an aggregation switch that receives packets with option-82 information from an edge switch. 

Disabled

DHCP snooping limit rate

None configured

DHCP snooping trust

Untrusted

DHCP snooping VLAN

Disabled

DHCP snooping MAC address verification

Enabled

Cisco IOS DHCP server binding database

Enabled in Cisco IOS software, requires configuration.

The switch gets network addresses and configuration parameters 
only from a device configured as a DHCP server.

DHCP snooping binding database agent

Enabled in Cisco IOS software, requires configuration. This feature is 
operational only when a destination is configured.