Cisco SR224T Administration Guide - Page 219

Configuring IP Information Configuring ARP 16 - Local-A directly-connected network whose prefix is derived from a manually-configured switch's IPv6 address. - Dynamic-The destination is an indirectly-attached (remote) IPv6 subnet address. The entry was obtained dynamically via the ND or ICMP protocol. - Static-The entry was manually configured by a user. Configuring ARP The switch maintains an ARP (Address Resolution Protocol) table for all known devices that reside in its directly-connected IP subnets. A directly-connected IP subnet is the subnet to which an IPv4 interface of the switch is connected. When the switch needs to send/route a packet to a local device, it searches the ARP table to obtain the MAC address of the device. The ARP table contains both static and dynamic addresses. Static addresses are manually configured and do not age out. The switch creates dynamic addresses from the ARP packets it receives. Dynamic addresses age out after a configured time. NOTE The IP/MAC address mapping information in the ARP Table is used by the switch to forward traffic originated by the switch. To define the ARP tables: STEP 1 Click IP Configuration > ARP. The ARP Table page opens. STEP 2 Enter the parameters. • ARP Entry Age Out-Enter the number of seconds that dynamic addresses can remain in the ARP table. A dynamic address ages out after the time it is in the table exceeds the ARP Entry Age Out time. When a dynamic address ages out, it is deleted from the table, and only returns when it is relearned. • Clear ARP Table Entries-Select the type of ARP entries to be cleared from the system. - All-Deletes all of the static and dynamic addresses immediately. - Dynamic-Deletes all of the dynamic addresses immediately. - Static-Deletes all of the static addresses immediately. Cisco Small Business 200 Series Smart Switch Administration Guide 220