Enabling Dhcp Snooping; Enabling Arp Detection; Configuring The Customer-Side Port - H3C S7500E-X Configuration Manual

Enabling DHCP snooping

Step
Enter system view.
1.
Enable DHCP
2.
snooping.

Enabling ARP detection

Enable ARP detection for the original VLANs and the translated VLANs.
To enable ARP detection:
Step
Enter system view.
1.
Enter VLAN view.
2.
Enable ARP detection.
3.

Configuring the customer-side port

Step
Enter system view.
1.
Enter Layer 2 Ethernet
2.
interface view or Layer 2
aggregate interface view.
Set the link type of the port.
3.
Assign the port to the original
4.
VLANs and the translated
VLANs.
Configure a many-to-one
5.
VLAN mapping.
Command
system-view
dhcp snooping enable
Command
system-view
vlan vlan-id
arp detection enable
Command
system-view
•
Enter Layer 2 Ethernet interface
view:
interface interface-type
interface-number
•
Enter Layer 2 aggregate
interface view:
interface bridge-aggregation
interface-number
•
Configure the port as a trunk
port:
port link-type trunk
•
Configure the port as a hybrid
port:
port link-type hybrid
•
port trunk permit vlan
vlan-id-list
•
port hybrid vlan vlan-id-list
tagged
vlan mapping uni { range
vlan-range-list | single vlan-id-list }
translated-vlan vlan-id
206
Remarks
N/A
By default, DHCP snooping is disabled.
For more information about DHCP snooping
configuration commands, see Layer 3—IP
Services Command Reference.
Remarks
N/A
N/A
By default, ARP detection is disabled.
For more information about ARP detection
configuration commands, see Security
Command Reference.
Remarks
N/A
N/A
By default, the link type of a
port is access.
N/A
By default, no VLAN mapping
is configured on an interface.