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Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Chapter 3 Assigning the Switch IP Address and Default Gateway
Assigning Switch Information
.
Stacking is supported only on Catalyst 2960-S switches.Use a DHCP server for centralized control and
automatic assignment of IP information after the server is configured.
Note If you are using DHCP, do not respond to any of the questions in the setup program until the switch
receives the dynamically assigned IP address and reads the configuration file.
If you are an experienced user familiar with the switch configuration steps, manually configure the
switch. Otherwise, use the setup program described previously.
• Default Switch Information, page 3-3
• Understanding DHCP-Based Autoconfiguration, page 3-3
• Manually Assigning IP Information, page 3-15
Default Switch Information
Table 3-1 shows the default switch information.
Understanding DHCP-Based Autoconfiguration
DHCP provides configuration information to Internet hosts and internetworking devices. This protocol
consists of two components: one for delivering configuration parameters from a DHCP server to a device
and a mechanism for allocating network addresses to devices. DHCP is built on a client-server model,
in which designated DHCP servers allocate network addresses and deliver configuration parameters to
dynamically configured devices. The switch can act as both a DHCP client and a DHCP server.
During DHCP-based autoconfiguration, your switch (DHCP client) is automatically configured at
startup with IP address information and a configuration file.
With DHCP-based autoconfiguration, no DHCP client-side configuration is needed on your switch.
However, you need to configure the DHCP server for various lease options associated with IP addresses.
If you are using DHCP to relay the configuration file location on the network, you might also need to
configure a Trivial File Transfer Protocol (TFTP) server and a Domain Name System (DNS) server.
Table 3-1 Default Switch Information
Feature Default Setting
IP address and subnet mask No IP address or subnet mask are defined.
Default gateway No default gateway is defined.
Enable secret password No password is defined.
Hostname The factory-assigned default hostname is Switch.
Telnet password No password is defined.
Cluster command switch functionality Disabled.
Cluster name No cluster name is defined.