Dell Command Line Reference Guide for the S4048–ON System 9.14.2.4

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arp learn-enable

Enable ARP learning using gratuitous ARP.

Syntax
arp learn-enable
Defaults
Disabled
Command Modes
CONFIGURATION
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
8.3.1.0
Introduced.
Usage Information
In Dell EMC Networking OS versions prior to 8.3.1.0, if a gratuitous ARP is received some time after an ARP request is sent, only RP2 installs the ARP information. For example:
  1. At time t=0, Dell EMC Networking OS sends an ARP request for IP A.B.C.D.
  2. At time t=1, Dell EMC Networking OS receives an ARP request for IP A.B.C.D.
  3. At time t=2, Dell EMC Networking OS installs an ARP entry for A.B.C.D only on RP2.

Beginning with Dell EMC Networking OS version 8.3.1.0, when a gratuitous ARP is received, Dell EMC Networking OS installs an ARP entry on all three CPUs.


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