DGS-1510/ME Series Metro Ethernet Switch CLI Reference Guide
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system knows that someone out there uses an IP address that is conflict with the system. In order to reclaim the
correct host of this IP address, the system can send out the gratuitous ARP request packet for this duplicate IP
address.
Format
config gratuitous_arp send dup_ip_detected [enable | disable]
Parameters
enable
- Specifies to enable sending of gratuitous ARP when duplicate IP is detected.
disable
- Specifies to disable sending of gratuitous ARP when duplicate IP is detected.
Restrictions
Only Administrators, Operators and Power-Users can issue this command.
Example
To enable send gratuitous ARP request when duplicate IP is detected:
DGS-1510-28XMP/ME:admin# config gratuitous_arp send dup_ip_detected enable
Command: config gratuitous_arp send dup_ip_detected enable
Success.
DGS-1510-28XMP/ME:admin#
30-3
config gratuitous_arp learning
Description
This command is used to configure gratuitous ARP learning. Normally, the system will only learn the ARP reply
packet or a normal ARP request packet that asks for the MAC address that corresponds to the system’s IP
address. The command is used to enable/disable learning of ARP entry in ARP cache based on the received
gratuitous ARP packet. The gratuitous ARP packet is sent by a source IP address that is identical to the IP that the
packet is queries for. Note that, with the gratuitous ARP learning, the system will not learn new entry but only do
the update on the ARP table based on the received gratuitous ARP packet. By default, the state is enabled status.
Format
config gratuitous_arp learning [enable | disable]
Parameters
enable
- Specifies to enable learning of ARP entry based on the received gratuitous ARP packet.
disable
- Specifies to disable learning of ARP entry based on the received gratuitous ARP packet.
Restrictions
Only Administrators, Operators and Power-Users can issue this command.
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