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4. To set the IP address of the default gateway for the network to which
the switch belongs, type “ip default-gateway gateway,” where “gateway”
is the IP address of the default gateway. Press <Enter>.
Dynamic Configuration
If you select the “bootp” or “dhcp” option, IP will be enabled but will not
function until a BOOTP or DHCP reply has been received. You therefore
need to use the “ip dhcp restart” command to start broadcasting service
requests. Requests will be sent periodically in an effort to obtain IP
configuration information. (BOOTP and DHCP values can include the IP
address, subnet mask, and default gateway.)
If the “bootp” or “dhcp” option is saved to the startup-config file, then
the switch will start broadcasting service requests as soon as it is powered
on.
To automatically configure the switch by communicating with BOOTP or
DHCP address allocation servers on the network, complete the following
steps:
1. From the Privileged Exec level global configuration mode prompt,
type “interface vlan 1” to access the interface-configuration mode.
Press <Enter>.
2. At the interface-configuration mode prompt, use one of the following
commands:
• To obtain IP settings through DHCP, type “ip address dhcp” and
press <Enter>.
• To obtain IP settings through BOOTP, type “ip address bootp”
and press <Enter>.
Console(config)#interface vlan 1
Console(config-if)#ip address 192.168.1.5 255.255.255.0
Console(config-if)#exit
Console(config)#ip default-gateway 192.168.1.254
Console(config)#