C
HAPTER
41
| IP Interface Commands
IPv4 Interface
– 918 –
BASIC IPV4
C
ONFIGURATION
This section describes commands used to configure IP addresses for VLAN
interfaces on the switch.
ip address This command sets the IPv4 address for the currently selected VLAN
interface. Use the no form to restore the default IP address.
SYNTAX
ip address {ip-address netmask | bootp | dhcp}
no ip address
ip-address - IP address
netmask - Network mask for the associated IP subnet. This mask
identifies the host address bits used for routing to specific subnets.
bootp - Obtains IP address from BOOTP.
dhcp - Obtains IP address from DHCP.
DEFAULT SETTING
IP Address: 192.168.1.10
Subnet Mask: 255.255.255.0
COMMAND MODE
Interface Configuration (VLAN)
COMMAND USAGE
â—† An IP address must be assigned to this device to gain management
access over the network or to connect the switch to existing IP subnets.
A specific IP address can be manually configured, or the switch can be
directed to obtain an address from a BOOTP or DHCP server. Valid IP
addresses consist of four numbers, 0 to 255, separated by periods.
Anything other than this format is not be accepted by the configuration
program.
â—† If bootp or dhcp options are selected, the system will immediately
start broadcasting service requests for all VLANs configured to obtain
address assignments through BOOTP or DHCP. IP is enabled but will not
function until a BOOTP or DHCP reply has been received. Requests are
Table 137: Basic IP Configuration Commands
Command Function Mode
ip address Sets the IP address for the current interface IC
ip default-gateway Defines the default gateway through which this router
can reach other subnetworks
GC
show ip default-gateway Displays the default gateway configured for this device PE
show ip interface Displays the IP settings for this device PE
traceroute Shows the route packets take to the specified host PE
ping Sends ICMP echo request packets to another node on
the network
NE, PE
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