Administrator Guide

Usage
Information
You can activate VRF application on a device by using the feature vrf command
in CONFIGURATION mode. The no feature vrf command is not supported on
any of the platforms.
Example
Dell#show feature
Feature State
------------------------------
VRF enabled
Command Modes
To navigate and launch various CLI modes, use specific commands. Navigation to these modes is
described in the following sections.
BGP ADDRESS-FAMILY Mode
To enable or configure IPv4 for BGP, use BGP ADDRESS-FAMILY mode. For more information, refer to
Border Gateway Protocol IPv4 (BGPv4).
To enter BGP ADDRESS-FAMILY mode:
1. Verify that you are logged in to ROUTER BGP mode.
2. Enter the command address-family
3. Enter the protocol type.
• For IPv4, enter ipv4 multicast. The prompt changes to include (conf-router_bgp_af) for IPv4.
CLASS-MAP Mode
To create or configure a class map, use CLASS-MAP mode. For more information, refer to Policy-Based
QoS Commands.
To enter CLASS-MAP mode:
1. Verify that you are logged in to CONFIGURATION mode.
2. Enter the class-map command then enter the class map name. The prompt changes to include
(config-class-map).
You can return to CONFIGURATION mode by using the exit command.
CONFIGURATION Mode
In EXEC Privilege mode, use the configure command to enter CONFIGURATION mode and configure
routing protocols and access interfaces.
To enter CONFIGURATION mode:
1. Verify that you are logged in to EXEC Privilege mode.
2. Enter the configure command. The prompt changes to include (conf).
From this mode, you can enter INTERFACE mode by using the interface command.
CLI Basics
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