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Cisco Small Business SG200 Series 8-port Smart Switch 142
IP Configuration
This chapter describes the Address Resolution Protocol (ARP) and Domain Name
System (DNS) client features.
It includes the following topics:
• ARP Table
• Domain Name System
ARP Table
The switch maintains an Address Resolution Protocol (ARP) Table. Each entry in
the table includes the IP address and the MAC addresses of a device that has
recently communicated with the switch.
You can use the ARP page to display ARP entries learned by the management
VLAN. To display this page, click IP Configuration > ARP in the navigation window.
You can click Clear ARP to delete all entries from the table, except for the
management port IP address and MAC address.
Domain Name System
The switch supports IPv4 DNS client functionality. When enabled as a DNS client,
the switch provides a hostname lookup service to other applications on the switch
such as ping, RADIUS, syslog, Auto Configuration, and TFTP. The switch can be
configured with DNS servers that resolve hostnames to IP addresses. The switch
can also be configured with static host-name-to-IP-address mappings that bypass
the DNS server.