Cisco Nexus 5000 Series NX-OS Unicast Routing Command Reference

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Book Contents

New and Changed
Preface
- A Commands
- B Commands
- C Commands
- E Commands
- F Commands
- I Commands
- L Commands
- M Commands
- N Commands
- P Commands
- R Commands
- S Commands
- Show Commands
- T Commands
- V Commands
- A Commands
- C Commands
- D Commands
- E Commands
- F Commands
- I Commands
- L Commands
- M Commands
- R Commands
- S Commands
- Show Commands
- T Commands
- A Commands
- C Commands
- D Commands
- F Commands
- H Commands
- I Commands
- L Commands
- M Commands
- P Commands
- R Commands
- S Commands
- Show Commands
- T Commands
- V Commands

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Updated:: April 10, 2014

F Commands

This chapter describes the Cisco NX-OS Enhanced Interior Gateway Routing Protocol (EIGRP) commands that begin with F.

feature eigrp

To enable the Enhanced Interior Gateway Protocol (EIGRP), use the feature eigrp command. To disable EIGRP, use the no form of this command.

feature eigrp

no feature eigrp

Syntax Description

This command has no arguments or keywords.

Command Default

Disabled

Command Modes

Global configuration mode

Command History

Release	Modified
5.2(1)N1(1)	This command was introduced.

Usage Guidelines

You must enable the EIGRP feature before you can configure EIGRP.

Note In Cisco NX-OS Release 5.2(1)N1(1), a software upgrade on the Cisco Nexus 5548 switch and the Cisco Nexus 5596 switch that has the Layer 3 features enabled is disruptive. You must reload the switch and the Cisco Nexus 2000 Series Fabric Extender.

This command requires the LAN Base Services license.

Examples

This example shows how to enable the EIGRP feature:

switch# configure terminal

switch(config)# feature eigrp

switch(config)#

This example shows how to disable the EIGRP feature:

switch# configure terminal

switch(config)# no feature eigrp

switch(config)#

Related Commands

Command	Description
router eigrp	Creates a EIGRP instance.
show feature	Displays the features enabled on the switch.
show ip eigrp	Displays EIGRP configuration information.

flush-routes (EIGRP)

To flush all EIGRP routes in the unicast RIB when an EIGRP instance restarts, use the flush-routes command. To disable this feature, use the no form of this command.

flush-routes

no flush-routes

Syntax Description

This command has no arguments or keywords.

Command Default

Disabled

Command Modes

Router configuration mode

Command History

Release	Modification
5.2(1)N1(1)	This command was introduced.

Usage Guidelines

This command requires the LAN Base Services license.

Examples

This example shows how to flush routes when an EIGRP instance restarts:

switch(config)# router eigrp Test1

switch(config-router)# flush-routes

switch(config-router)#

Related Commands

Command	Description
show ip eigrp interfaces	Displays information about EIGRP interfaces.

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