Cisco SR224T Administration Guide - Page 207
Configuring IP Information, Management and IP Interfaces
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Configuring IP Information 16 IP interface addresses can be configured manually by the user, or automatically configured by a DHCP server. This section provides information for defining the switch IP addresses either manually or by making the switch a DHCP client. This section covers the following topics: • Management and IP Interfaces • Configuring ARP • Domain Name Systems Management and IP Interfaces Layer 2 IP Addressing The switch has a single IP address in the management VLAN. This IP address and the default gateway can be configured manually, or by DHCP. The static IP address and default gateway are configured on the IPv4 Interface page. The switch uses the default gateway, if configured, to communicate with devices that are not in the same IP subnet as the switch. By default, VLAN 1 is the management VLAN, but this can be modified. The switch can only be reached at the configured IP address through its management VLAN. The factory default setting of the IP address configuration is DHCP. This means that the switch acts as a DHCP client, and sends out a DHCP request during boot up. If the switch receives a DHCP response from the DHCP server with an IP address, it sends Address Resolution Protocol (ARP) packets to confirm that the IP address is unique. If the ARP response shows that the IP address is in use, the switch sends a DHCPDECLINE message to the offering DHCP server, and sends another DHCPDISCOVER packet that restarts the process. Cisco Small Business 200 Series Smart Switch Administration Guide 208