3Com Switch 7750 SeriesCommand Reference Guide – ARP Chapter 1 ARP Configuration Commands1-6mac-address: MAC address contained in the ARP mapping entry to be created, in theformat of H-H-H.vlan-id: ID of the VLAN to which the static ARP entry belongs, in the range of 1 to 4094.interface-type: Type of the port to which the static ARP entry belongs.interface-number: Number of the port to which the static ARP entry belongs.DescriptionUse the arp static command to create a static ARP mapping entry.Use the undo arp command to remove an ARP mapping entry.The system ARP mapping table is empty when a switch is just started. And the dynamicaddress mapping entries are generated by ARP.Note that:z Static ARP mapping entries are valid as long as the Ethernet switch operates.However, an ARP mapping entry is removed if the corresponding VLAN isremoved. By default, a dynamic ARP mapping entry remains valid for 20 minutes.z As for the arp static command, the value of the vlan-id argument must be the ID ofan existing VLAN, and the port identified by the interface-type andinterface-number arguments must belong to the VLAN.Related command: reset arp, display arp.Example# Create a static ARP mapping entry, with the IP address of 202.38.10.2, the MACaddress of 00e0-fc01-0000. The ARP mapping entry belongs to Ethernet1/0/1 port(assuming that Ethernet1/0/1 port belongs to VLAN1).<3Com> system-viewSystem View: return to User View with Ctrl+Z.[3Com] arp static 202.38.10.2 00e0-fc01-0000 1 Ethernet 1/0/11.1.8 arp timer agingSyntaxarp timer aging aging-timeundo arp timer agingViewSystem viewParameteraging-time: Aging time (in minutes) of the dynamic ARP mapping entries. Thisargument ranges from 1 to 1,440.
