3Com 3500 - Manual (Page 432)

432 C HAPTER 16: I NTERNET P ROTOCOL (IP)
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ip arp flushDynamic For CoreBuilder 9000: Applies to Layer 3 switching modules only.
Deletes all dynamic (learned) entries from the Address Resolution Protocol
(ARP) cache.
Valid Minimum Abbreviation
ip ar flushD
Important Considerations
■
To flush all entries, static and dynamic, see the previous “ip arp
flushAll” option.
■
When you enter the command, the system deletes all dynamic entries
from the cache immediately. You are not prompted to confirm the
deletion.