H3C S5830V2 series, Руководство по настройке

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{
Use the reset arp snooping command to clear this ARP snooping entry by specifying the ip
ip-address option.
{
Wait for this ARP snooping entry to be aged out.
• Customer-side many-to-one VLAN mapping is not supported on Layer 2 aggregate interfaces.
• Before you modify many-to-one VLAN mappings, use the reset arp snooping command to clear the
ARP snooping entries in each CVLAN to be modified by specifying the vlan vlan-id option.
•
To ensure correct traffic forwarding from the service provider network to the customer network, do
not configure many-to-one VLAN mapping together with uRPF. For more information about uRPF,
see Security Configuration Guide .
Configuration task list
Tasks at a glance
1. (Required.) Enabling ARP detection
2. (Required.) Configuring the customer-side port
3. (Required.) Configuring the network-side port
Enabling ARP snooping
Enable ARP snooping for all involved VLANs, including the original VLANs and the translated VLANs.
To enable ARP snooping:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter VLAN view.
vlan vlan-id N/A
3. Enable ARP snooping.
arp snooping enable
By default, ARP snooping is disabled.
For more information about ARP snooping
configuration commands, see Layer 3—IP Services
Command Reference .
Configuring the customer-side port
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter Layer 2 Ethernet
interface view.
interface interface-type
interface-number
N/A
3. Set the link type of the port.
•
Configure the port as a trunk
port:
port link-type trunk
•
Configure the port as a hybrid
port:
port link-type hybrid
By default, the link type of a port is
access .