NOTE: You can configure an IP address or subnet on a physical or VLAN interface that overlaps the
same IP address or subnet configured on another interface only if the interfaces are assigned to
different VRFs. If two interfaces are assigned to the same VRF, you cannot configure overlapping IP
subnets or the same IP address on them.
Task Command Syntax Command Mode
Assign an interface to a VRF
instance.
ip vrf forwarding vrf-
name
INTERFACE
Assigning a Front-end Port to a Management VRF
Starting in 9.7(0.0) release, you can assign a front-end port to a management VRF and make the port to
act as a host interface.
NOTE: You cannot assign loop-back and port-channel interfaces to a management port.
To assign a front-end port to a management VRF, perform the following steps:
Task Command Syntax Command Mode
Enter the front-end interface that
you want to assign to a
management interface.
interface
tengigabitethernet 1/1/1
CONFIGURATION
Assign the interface to
management VRF.
NOTE: Before assigning a
front-end port to a
management VRF, ensure
that no IP address is
configured on the interface.
ip vrf forwarding
management
INTERFACE CONFIGURATION
Assign an IPv4 address to the
interface.
NOTE: You can assign either
an IPv4 or an IPv6 address
but not both.
ip address 10.1.1.1/24 INTERFACE CONFIGURATION
Assign an IPv6 address to the
interface.
NOTE: You can also auto
configure an IPv6 address
using the ipv6 address
autoconfig command.
ipv6 address 1::1 INTERFACE CONFIGURATION
View VRF Instance Information
To display information about VRF configuration, enter the show ip vrf command.
Virtual Routing and Forwarding (VRF) 1013