Service Manual
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.8.0 Introduced on the S4810.
Usage Information This timer is an exponential backo timer. Over the specied period, the time between ARP requests
increases. This behavior reduces the potential for the system to slow down while waiting for a multitude of
ARP responses.
Related Commands show arp retries — displays the congured number of ARP retries.
arp learn-enable
Enable ARP learning using gratuitous ARP.
Syntax
arp learn-enable
Defaults Disabled
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON.
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 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 Networking OS sends an ARP request for IP A.B.C.D.
2. At time t=1, Dell Networking OS receives an ARP request for IP A.B.C.D.
3. At time t=2, Dell Networking OS installs an ARP entry for A.B.C.D only on RP2.
IPv4 Routing
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