H3C MSR Series Command Reference

1112
Use undo arp active-ack enable to disable the ARP active acknowledgement feature.
Syntax
arp active-ack [ strict ] enable
undo arp active-ack [ strict ] enable
Default
The ARP active acknowledgement feature is disabled.
Views
System view
Predefined user roles
network-admin
Parameters
strict: Enables strict mode for ARP active acknowledgement.
Usage guidelines
Configure this feature on gateways to prevent user spoofing.
In strict mode, a gateway learns an entry only when ARP active acknowledgement is successful
based on the correct ARP resolution.
Examples
# Enable the ARP active acknowledgement feature.
<Sysname> system-view
[Sysname] arp active-ack enable
Authorized ARP commands
arp authorized enable
Use arp authorized enable to enable authorized ARP on an interface.
Use undo arp authorized enable to disable authorized ARP on an interface.
Syntax
arp authorized enable
undo arp authorized enable
Default
Authorized ARP is disabled on the interface.
Views
Layer 3 Ethernet interface/subinterface view
Layer 3 aggregate interface/subinterface view
VLAN interface view
Predefined user roles
network-admin
Examples
# Enable authorized ARP on GigabitEthernet 1/0/1.

H3C MSR Series Specifications

General

Category	Network Router
IPv6 Support	Yes
Dimensions	Varies by model
Weight	Varies by model
Product Type	Modular Router
Ports	Varies by model
WAN Interfaces	Varies by model
Firewall	Yes
QoS	Yes
Wireless Support	Varies by model
USB Ports	Varies by model
Console Port	Yes
Power Supply	Varies by model
Redundancy	Varies by model
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to 70°C
Humidity	5% to 95% non-condensing
Series	MSR
Certifications	CE, FCC, RoHS