C
HAPTER
44
| IP Interface Commands
IP Interface
– 1006 –
BASIC IP
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} [secondary]
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.
secondary - Specifies a secondary IP address.
DEFAULT SETTING
DHCP
COMMAND MODE
Interface Configuration (VLAN)
COMMAND USAGE
â—† If this router is directly connected to end node devices (or connected to
end nodes via shared media) that will be assigned to a specific subnet,
then you must create a router interface for each VLAN that will support
routing. The router interface consists of an IP address and subnet
mask. This interface address defines both the network number to which
the router interface is attached and the router’s host number on that
network. In other words, a router interface address defines the network
and subnetwork numbers of the segment that is connected to that
interface, and allows you to send IP packets to or from the router.
Table 136: 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 interface Displays the IP settings for this device PE
show ip route Displays specified entries in the routing table 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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