Arp Protective-Down Recover Enable - H3C s3600 series Command Manual

Parameters
None
Description
Use the arp detection trust command to specify the current port as a trusted port, that is, ARP packets
received on this port are regarded as legal ARP packets and will not be checked.
Use the undo arp detection trust command to specify the current port as an untrusted port in ARP
detection.
By default, a port is an untrusted port in ARP detection.
Examples
# Specify Ethernet 1/0/11 as the trusted port in ARP detection.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Ethernet 1/0/11
[Sysname-Ethernet1/0/11] arp detection trust

arp protective-down recover enable

Syntax
arp protective-down recover enable
undo arp protective-down recover enable
View
System view
Parameters
None
Description
Use the arp protective-down recover enable command to enable the port state auto-recovery
function on the switch.
Use the undo arp protective-down recover enable command to disable the port state auto-recovery
function of a switch.
With this function enabled, the switch can automatically bring up a port that has been shut down due to
an excessive ARP packet receiving rate after a specified period.
By default, the port state auto-recovery function is disabled.
Examples
# Enable the port state auto-recovery function of the switch.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] arp protective-down recover enable
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