F Commands

fast-external-fallover

[no] fast-external-fallover

Syntax Description

no

Negate a command or set its defaults

fast-external-fallover

Immediately reset the session if the link to a directly connected BGP peer goes down

Command Modes

  • /exec/configure/router-bgp

fast-flood enable

[no] fast-flood enable

Syntax Description

no

Negate a command or set its defaults

fast-flood

Fast flood the LSP's

enable

Turn on fast-flooding

level

IS-IS level

level-1  value: 1
Configure Fast flood level-1 interval
level-2  value: 2
Configure Fast flood level-2 interval

Command Modes

  • /exec/configure/router-isis/router-isis-vrf-common

fast-flood interval

[no] fast-flood interval interval

Syntax Description

no

Negate a command or set its defaults

fast-flood

Fast flood the LSP's

interval

Duration/interval of the fast-flood timer.

level

IS-IS level

level-1  value: 1
Configure SPF level-1 interval
level-2  value: 2
Configure SPF level-2 interval
interval

Type: uinteger

min: 1  max: 3000  default: 1

Specify the value (ms)

Command Modes

  • /exec/configure/router-isis/router-isis-vrf-common

feature-set

feature-set fs

Syntax Description

feature-set

Enable feature-set

fs

Type: userdef

allow feature-set

Command Modes

  • /exec/configure

feature

[no] feature arg1

Syntax Description

no

Negate a command or set its defaults

feature

Feature name

arg1

Type: string

length: 32

Enter feature name

Command Modes

  • /exec/configure/rolefeaturegrp

feature bash-shell

[no] feature "bash-shell"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

bash-shell

Enable/Disable bash-shell

Command Modes

  • /exec/configure

feature bfd

[no] feature bfd

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

bfd

bfd

Command Modes

  • /exec/configure

feature bgp

[no] feature bgp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

bgp

Enable/Disable Border Gateway Protocol (BGP)

Command Modes

  • /exec/configure

feature cts

[no] feature cts

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

cts

Enable/Disable CTS Not available in this release.

Command Modes

  • /exec/configure

feature dhcp

[no] feature dhcp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

dhcp

Enable/Disable DHCP Manager

Command Modes

  • /exec/configure

feature eigrp

[no] feature eigrp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

eigrp

Enable/Disable Enhanced Interior Gateway Routing Protocol (EIGRP)

Command Modes

  • /exec/configure

feature evmed

[no] feature evmed

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

evmed

Enable/Disable Generic event detectors

Command Modes

  • /exec/configure

feature glbp

[no] feature glbp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

glbp

Enable/Disable Gateway Load Balancing Protocol (GLBP) Not available in this release.

Command Modes

  • /exec/configure

feature hsrp

[no] feature hsrp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

hsrp

Enable/Disable Hot Standby Router Protocol (HSRP)

Command Modes

  • /exec/configure

feature interface-vlan

[no] feature interface-vlan

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

interface-vlan

Enable/Disable interface vlan

Command Modes

  • /exec/configure

feature isis

[no] feature isis

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

isis

Enable/Disable IS-IS Unicast Routing Protocol (IS-IS)

Command Modes

  • /exec/configure

feature lacp

[no] feature lacp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

lacp

Enable/Disable LACP

Command Modes

  • /exec/configure

feature ldap

[no] feature "ldap"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

ldap

Enable/Disable ldap

Command Modes

  • /exec/configure

feature lldp

[no] feature lldp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

lldp

Enable/Disable LLDP

Command Modes

  • /exec/configure

feature msdp

[no] feature msdp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

msdp

Enable/Disable Multicast Source Discovery Protocol (MSDP)

Command Modes

  • /exec/configure

feature ntp

[no] feature ntp

Syntax Description

no

Negate a command or set its default

feature

Command to enable/disable features

ntp

Enable/Disable NTP

Command Modes

  • /exec/configure

feature nv overlay

[no] feature nv overlay

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

nv

Enable/Disable VxLAN Available only in the 9300 series.

overlay

Enable/Disable VxLAN Available only in the 9300 series.

Command Modes

  • /exec/configure

feature nxapi

[no] feature "nxapi"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

nxapi

Enable/Disable nxapi

Command Modes

  • /exec/configure

feature ospf

[no] feature ospf

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

ospf

Enable/Disable Open Shortest Path First Protocol (OSPF)

Command Modes

  • /exec/configure

feature ospfv3

[no] feature ospfv3

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

ospfv3

Enable/Disable Open Shortest Path First Version 3 Protocol (OSPFv3)

Command Modes

  • /exec/configure

feature password encryption aes

[no] feature password encryption aes

Syntax Description

no

Negate a command or set its defaults

feature

Enable the feature

password

Credential(s) for the user(s)/device(s)

encryption

Strong encryption for credential(s)

aes

Encrypt using AES encryption standard

Command Modes

  • /exec/configure

feature pim

[no] feature pim

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

pim

Enable/Disable Protocol Independent Multicast (PIM)

Command Modes

  • /exec/configure

feature poap

[no] feature poap

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

poap

Enable/Disable POAP

Command Modes

  • /exec/configure

feature pong

[no] feature pong

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

pong

Enable/Disable Pong Not available in this release.

Command Modes

  • /exec/configure

feature private-vlan

[no] feature private-vlan

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

private-vlan

Enable/Disable private-vlan Not available in this release.

Command Modes

  • /exec/configure

feature privilege

[no] feature privilege

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

privilege

Enable/Disable IOS type privilege level support

Command Modes

  • /exec/configure

feature rip

[no] feature rip

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

rip

Enable/Disable Routing Information Protocol (RIP)

Command Modes

  • /exec/configure

feature scheduler

[no] feature scheduler

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

scheduler

Enable/Disable scheduler

Command Modes

  • /exec/configure

feature scp-server

[no] feature "scp-server"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

scp-server

Enable/Disable SCP server

Command Modes

  • /exec/configure

feature sftp-server

[no] feature "sftp-server"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

sftp-server

Enable/Disable SFTP server

Command Modes

  • /exec/configure

feature ssh

[no] feature "ssh"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

ssh

Enable/Disable ssh

Command Modes

  • /exec/configure

feature tacacs+

[no] feature "tacacs+"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

tacacs+

Enable/Disable tacacs+

Command Modes

  • /exec/configure

feature telnet

[no] feature "telnet"

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

telnet

Enable/Disable telnet

Command Modes

  • /exec/configure

feature udld

[no] feature udld

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

udld

Enable/Disable UDLD

Command Modes

  • /exec/configure

feature vn-segment-vlan-based

[no] feature vn-segment-vlan-based

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

vn-segment-vlan-based

Enable/Disable VLAN based VN segment Available only in the 9300 series.

Command Modes

  • /exec/configure

feature vpc

[no] feature vpc

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

vpc

Enable/Disable VPC (Virtual Port Channel)

Command Modes

  • /exec/configure

feature vrrp

[no] feature vrrp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

vrrp

Enable/Disable Virtual Router Redundancy Protocol (VRRP)

Command Modes

  • /exec/configure

feature vtp

[no] feature vtp

Syntax Description

no

Negate a command or set its defaults

feature

Command to enable/disable features

vtp

Enable/Disable VTP

Command Modes

  • /exec/configure

fex

[no] fex chas_no

Syntax Description

no

Negate the command

fex

FEX configuration

chas_no

Type: integer

min: 101  max: 199  

FEX number

Command Modes

  • /exec/configure

fex associate

fex associate chassis_no [ chassis-serial serial_no [ module-serial mod_serial ] [ module-slot { left | right } ] ] | no fex associate [chassis_no]

Syntax Description

no

Negate a command or set its defaults

fex

Configure FEX fabric

associate

Associate the port to a FEX

chassis_no

Type: uinteger

min: 101  max: 199  

FEX number

chassis-serial

Chassis serial number

serial_no

Type: string

length: 20

Serial number

module-serial

Module serial number

mod_serial

Type: string

length: 20

Module serial number

module-slot

Module Slot

left

Left IO module slot

right

Right IO module slot

Command Modes

  • /exec/configure/if-eth-base
  • /exec/configure/if-eth-l2-non-member
  • /exec/configure/if-ethernet-all
  • /exec/configure/if-port-channel

fex management-instance fabric

fex management-instance inst fabric fabric_no | no fex management-instance

Syntax Description

no

Negate a command or set its defaults

fex

FEX configuration

management-instance

Management instance configuration

inst

Type: string

length: 40

Management Instance

fabric

Left fabric or Right fabric

fabric_no

Type: uinteger

min: 1  max: 2  

Fabric number

Command Modes

  • /exec/configure

fex pinning redistribute

fex pinning redistribute rchas_id

Syntax Description

fex

FEX control commands

pinning

Pinning redistribution

redistribute

Redistribute FEX ports to fabric ports

rchas_id

Type: uinteger

min: 101  max: 199  

FEX number

Command Modes

  • /exec

filesys delete

filesys delete s0

Syntax Description

filesys

file system command

delete

delete a file on file system

s0

Type: string

file name

Command Modes

  • /exec

filter

[no] filter [ subject-name s0 | altname-email s1 | altname-upn s2 ]

Syntax Description

no

Negate a command or set its defaults

filter

Configure mapping filter

subject-name

Subject name of the certificate

s0

Type: string

length: 64

Subject name

altname-email

Email id as an alternate name

s1

Type: string

length: 64

Email id

altname-upn

User principal name as an alternate name

s2

Type: string

length: 64

User principal name

Command Modes

  • /exec/configure/certmap-filter

filter access-group

[no] filter access-group acl-name

Syntax Description

no

Negate a command or set its defaults

filter

Filter configuration

access-group

access control group

acl-name

Type: string

access control list name

Command Modes

  • /exec/configure/monitor-local-src
  • /exec/configure/config-monitor
  • /exec/configure/config-monitor-erspan-src

filter vlan

[no] filter vlan vlan_mrange [include-untagged]

Syntax Description

no

Negate a command or set its defaults

filter

Filter configuration

vlan

Vlan type

vlan_mrange

Type: vlan-mrange

include-untagged

Include untagged frames on port with Layer 3 subinterfaces Not available in this release.

Command Modes

  • /exec/configure/monitor-local-src
  • /exec/configure/config-monitor
  • /exec/configure/config-monitor-erspan-src

filter vlan include-untagged

[no] filter vlan include-untagged

Syntax Description

no

Negate a command or set its defaults

filter

Filter configuration

vlan

Vlan type

include-untagged

Include untagged frames on port with Layer 3 subinterfaces Not available in this release.

Command Modes

  • /exec/configure/config-monitor

find

find s0

Syntax Description

find

Find a file below the current directory

s0

Type: string

length: 64

Enter the filename prefix to search

Command Modes

  • /exec

fips mode enable

[no] fips mode enable

Syntax Description

no

Negate a command or set its defaults

fips

Enable/Disable FIPS mode Not available in this release.

mode

FIPS mode

enable

Enable/Disable FIPS mode

Command Modes

  • /exec/configure

flowcontrol

flowcontrol { receive rx_flowctrl | send tx_flowctrl } | no flowcontrol { receive [ rx_flowctrl ] | send [ tx_flowctrl ] }

Syntax Description

no

Negate a command or set its defaults

flowcontrol

Configure interface flowcontrol Not available in this release.

receive

Receive pause frames

rx_flowctrl

Receive flow control

on  value: 0x2
Receive ON
off  value: 0x0
Receive OFF
desired  value: 0x8
Receive desired
send

Send pause frames

tx_flowctrl

Send flow control

on  value: 0x1
Send ON
off  value: 0x0
Send OFF
desired  value: 0x4
Send desired

Command Modes

  • /exec/configure/if-ethernet-all
  • /exec/configure/if-eth-non-member
  • /exec/configure/if-port-channel

flowcontrol hardware

[no] flowcontrol hardware

Syntax Description

no

Negate a command or set its defaults

flowcontrol

Set flow control

hardware

Set hardware flowcontrol

Command Modes

  • /exec/configure/com1

flush-routes (bgp)

[no] flush-routes

Syntax Description

no

Negate a command or set its defaults

flush-routes

Flush routes in RIB upon controlled restart

Command Modes

  • /exec/configure/router-bgp

flush-routes (eigrp)

[no] flush-routes

Syntax Description

no

Negate a command or set its defaults

flush-routes

Flush routes in RIB during restart

Command Modes

  • /exec/configure/router-eigrp

flush-routes (isis)

[no] flush-routes

Syntax Description

no

Negate a command or set its defaults

flush-routes

Flush routes on non-graceful controlled restart

Command Modes

  • /exec/configure/router-isis

flush-routes (ospf)

[no] flush-routes

Syntax Description

no

Negate a command or set its defaults

flush-routes

Flush routes on a non-graceful controlled restart

Command Modes

  • /exec/configure/router-ospf

flush-routes (ospfv3)

[no] flush-routes

Syntax Description

no

Negate a command or set its defaults

flush-routes

Flush routes on a non-graceful controlled restart

Command Modes

  • /exec/configure/router-ospf3

flush-routes (rip)

[no] flush-routes

Syntax Description

no

Negate a command or set its defaults

flush-routes

Flush routes in RIB during restart

Command Modes

  • /exec/configure/router-rip

forceshut reset-reason

forceshut [ module module | s0 santa-cruz-range | zone zonenum subzone ] reset-reason reset_reason_string

Syntax Description

forceshut

Force the entire switch to shut down

module

Optional. Module to be forceshut(optional arg)

module

Type: integer

please enter the module number

s0

Type: xbar-str

Power off a specific xbar

santa-cruz-range

Type: integer

please enter the xbar number

zone

Optional. Zone to be forceshut(optional arg)

zonenum

Type: integer

min: 1  max: 2  

please enter the zone number

subzone

Type: integer

min: 1  max: 7  

please enter the subzone number

reset-reason

Shut down (with reset-reason)

reset_reason_string

Type: string

please enter reset_reason_string in quotes

Command Modes

  • /exec

format bootflash

format bootflash :

Syntax Description

format

Format disks

bootflash:

Format bootflash:

Command Modes

  • /exec

format bootflash check-filesystem

format bootflash : check-filesystem

Syntax Description

format

Format disks

bootflash:

Format bootflash:

check-filesystem

Format bootflash: and fix any errors in file system

Command Modes

  • /exec

format logflash

format logflash :

Syntax Description

format

Format disks

logflash:

Format logflash:

Command Modes

  • /exec

format logflash check-filesystem

format logflash : check-filesystem

Syntax Description

format

Format disks

logflash:

Format logflash:

check-filesystem

Format logflash: and fix any errors in file system

Command Modes

  • /exec

format usb1

format usb1 :

Syntax Description

format

Format disks

usb1:

Format usb1:

Command Modes

  • /exec

format usb2

format usb2 :

Syntax Description

format

Format disks

usb2:

Format usb2:

Command Modes

  • /exec

forwarder preempt

[no] forwarder preempt [ delay minimum min-delay ]

Syntax Description

no

Negate a command or set its defaults

forwarder

Forwarder Configuration

preempt

Overthrow lower priority designated routers

delay

Wait before preempting

minimum

Delay at least this long

min-delay

Type: integer

min: 0  max: 3600  

Number of seconds for minimum delay

Command Modes

  • /exec/configure/if-eth-any/glbp

forwarding interface statistics mode

[no] { platform | hardware } forwarding interface statistics mode { mpls | default } [ module module-num ]

Syntax Description

no

Negate a command or set its defaults

platform

Platform configuration commands

hardware

Hardware Internal Information

forwarding

Hardware forwarding

interface

Interface Not available in this release.

statistics

Statistics

mode

Statistics mode

mpls

Mpls mode

default

Default mode

module

Specify a module number

module-num

Type: integer

Specify a module number

Command Modes

  • /exec/configure

forwarding layer-2 f1 exclude supervisor

[no] { platform | hardware } forwarding layer-2 f1 exclude supervisor

Syntax Description

no

Negate a command or set its defaults

platform

Platform configuration commands

hardware

Hardware Internal Information

forwarding

Forwarding information

layer-2

L2 only mode Not available in this release.

f1

N7K-F132XP-15 module Not available in this release.

exclude

Exclude supervisor from getting copies of ARP and multicast packets

supervisor

Supervisor module

Command Modes

  • /exec/configure

fragments

[no] fragments opt_type

Syntax Description

no

Negate a command or set its defaults

fragments

Optimize fragments rule installation

opt_type

frag_op_type

deny-all  value: 3
Drop all fragments
permit-all  value: 2
Allow all fragments

Command Modes

  • /exec/configure/ipacl
  • /exec/configure/ipv6acl

from

[no] { from frm-list to to-val | default { value | copy | ignore } }

Syntax Description

no

Negate a command or set its defaults

from

Map values from this

frm-list

Type: integer-mrange

Original list of values which are to be mapped

to

Map values to this

to-val

Type: uinteger

min: 0  max: 63  

New mapped value

default

map default values

value

Type: uinteger

min: 0  max: 63  

default value to be set

copy

Do a default copy

ignore

Ignore any unspecified values

Command Modes

  • /exec/configure/table-map