Switch Management Commands 1951
Command Mode
Interface Configuration (VLAN, Loopback) mode
User Guidelines
This command also implicitly enables the VLAN or loopback interface for
routing (i.e. as if the user had issued the ‘routing’ interface command). By
default, configuring an IP address on a VLAN enables in-band management
for interfaces configured with that VLAN. Setting up an IP address on VLAN
1 enables switch management on all in-band interfaces except for those where
VLAN 1 is specifically excluded.
IP addresses assigned to Ethernet interfaces support up to 31 bit subnet
masks. IP addresses assigned to loopback ports support a full 32 bit subnet
mask.
Example
The following example defines the IP address and subnet mask for VLAN 15
and enables the VLAN for routing.
console(config)#interface vlan 15
console(config-if-vlan15)#ip address 192.168.10.10 255.255.255.0
ip address (Out-of-Band)
Use the ip address command in Interface Configuration mode to set an IP
address for the out-of-band interface. Use the no form of this command to
return the ip address configuration to its default value.
Syntax
ip address {ip-address {mask | prefix-length} | dhcp}
no ip address
• ip-address—Specifies a valid IPv4 address in dotted-quad notation.
• mask—Specifies a valid subnet (network) mask IPv4 address in dotted
quad notation.
• prefix-length—The number of bits that comprise the IP address prefix.
The prefix length must be preceded by a forward slash (/). (Range: 1-30
bits)
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