Cisco Nexus 7000 Series NX-OS Security Command Reference, Release 4.0
E Commands

Table Of Contents

E Commands

eou allow clientless

eou default

eou initialize

eou logging

eou max-retry

eou port

eou ratelimit

eou revalidate (EXEC)

eou revalidate (global configuration and interface configuration)

eou timeout

eq


E Commands


This chapter describes the Cisco NX-OS security commands that begin with E.

eou allow clientless

To enable Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) posture validation of clientless endpoint devices, use the eou allow clientless command. To disable posture validation of clientless endpoint devices, use the no form of this command.

eou allow clientless

no eou allow clientless

Syntax Description

This command has no arguments or keywords.

Defaults

Disabled

Command Modes

Global configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to allow EAPoUDP posture validation of clientless endpoint devices:

switch# config t
switch(config)# eou allow clientless

This example shows how to prevent EAPoUDP posture validation of clientless endpoint devices:

switch# config t
switch(config)# no eou allow clientless

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou default

To revert to the default global or interface configuration values for Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP), use the eou default command.

eou default

Syntax Description

This command has no arguments or keywords.

Defaults

None

Command Modes

Global configuration
Interface configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to change the global EAPoUDP configuration to the default:

switch# config t
switch(config)# eou default

This example shows how to change the EAPoUDP configuration for an interface to the default:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou default

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou initialize

To initialize Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) sessions, use the eou initialize command.

eou initialize {all | authentication {clientless | eap | static} | interface ethernet slot/port | ip-address ipv4-address | mac-address mac-address | posturetoken name}

Syntax Description

all

Initializes all EAPoUDP sessions.

authentication

Initializes EAPoUDP sessions for a specific authentication types.

clientless

Specifies sessions authenticated using clientless posture validation.

eap

Specifies sessions authenticated using EAPoUDP.

static

Specifies sessions authenticated using statically configured exception lists.

interface ethernet slot/port

Initializes the EAPoUDP sessions for a specific interface.

ip-address ipv4-address

Initializes the EAPoUDP sessions for a specific IPv4 address.

mac-address mac-address

Initializes the EAPoUDP sessions for a specific MAC address.

posturetoken name

Initializes the EAPoUDP sessions for a specific posture token.


Defaults

None

Command Modes

Any command mode

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to initialize all the EAPoUDP sessions:

switch# eou initialize all

This example shows how to initialize the EAPoUDP sessions that were statically authenticated:

switch# eou initialize authentication static

This example shows how to initialize the EAPoUDP sessions for an interface:

switch# eou initialize interface ethernet 1/1

This example shows how to initialize the EAPoUDP sessions for an IP address:

switch# eou initialize ip-address 10.10.1.1

This example shows how to initialize all the EAPoUDP sessions for a MAC address:

switch# eou initialize mac-address 0019.076c.dac4

This example shows how to initialize all the EAPoUDP sessions for a posture token:

switch# eou initialize posturetoken healthy

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou logging

To enable Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) logging, use the eou logging command. To disable EAPoUDP logging, use the no form of this command.

eou logging

no eou logging

Syntax Description

This command has no arguments or keywords.

Defaults

Global configuration: Disabled

Interface configuration: Global configuration setting

Command Modes

Global configuration
Interface configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

The setting for EAPoUDP logging on an interface overrides the global setting.

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to enable global EAPoUDP logging:

switch# config t
switch(config)# eou logging

This example shows how to disable global EAPoUDP logging:

switch# config t
switch(config)# no eou logging

This example shows how to enable EAPoUDP logging for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou logging

This example shows how to disable EAPoUDP logging for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# no eou logging

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou max-retry

To configure the maximum number of attempts for Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) globally or for an interface, use the eou max-retry command. To revert to the default, use the no form of this command.

eou max-retry count

no eou max-retry

Syntax Description

count

Maximum number of retry attempts. The range is from 1 to 3.


Defaults

Global configuration: 3

Interface configuration: global configuration value

Command Modes

Global configuration
Interface configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

The maximum retries for an interface takes precedence over the globally configured value.

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to change the global maximum number of EAPoUDP retry attempts:

switch# config t
switch(config)# eou max-retry 2

This example shows how to revert to the default global maximum number of EAPoUDP retry attempts:

switch# config t
switch(config)# no eou max-retry

This example shows how to change the maximum number of EAPoUDP retry attempts for an interface:

switch# config t
switch(config) interface ethernet 1/1
switch(config-if)# eou max-retry 3

This example shows how to revert to the maximum number of EAPoUDP retry attempts for an interface:

switch# config t
switch(config) interface ethernet 1/1
switch(config-if)# no eou max-retry

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou port

To configure the User Datagram Protocol (UDP) port number for Extensible Authentication Protocol over UDP (EAPoUDP), use the eou port command. To revert to the default, use the no form of this command.

eou port udp-port

no eou port

Syntax Description

udp-port

UDP port number. The range is from 1 to 65535.


Defaults

21862 (0x5566)

Command Modes

Global configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to change the UDP port number for EAPoUDP:

switch# config t
switch(config)# eou port 21856

This example shows how to revert to the default UDP port number for EAPoUDP:

switch# config t
switch(config)# no eou port

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou ratelimit

To configure the number of simultaneous posture validation sessions for Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP), use the eou ratelimit command. To revert to the default, use the no form of this command.

eou ratelimit sessions

no eou ratelimit

Syntax Description

sessions

Maximum number of simultaneous EAPoUDP posture validation sessions. The range is from 0 to 200.


Defaults

Global configuration: 20

Interface configuration: Global configuration setting

Command Modes

Global configuration
Interface configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

Setting the EAPoUDP rate limit to zero (0) allows no simultaneous posture validation sessions.

The EAPoUDP rate limit for an interface overrides the globally EAPoUDP rate limit setting.

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to change the global maximum number of simultaneous EAPoUDP posture-validation sessions:

switch# config t
switch(config)# eou ratelimit 30

This example shows how to revert to the default global maximum number of simultaneous EAPoUDP posture-validation sessions:

switch# config t
switch(config)# no eou ratelimit

This example shows how to change the maximum number of simultaneous EAPoUDP posture-validation sessions for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou ratelimit 30

This example shows how to revert to the default maximum number of simultaneous EAPoUDP posture-validation sessions for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# no eou ratelimit

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou revalidate (EXEC)

To revalidate Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) sessions, use the eou revalidate command.

eou revalidate {all | authentication {clientless | eap | static} | interface ethernet slot/port | ip-address ipv4-address | mac-address mac-address | posturetoken name}

Syntax Description

all

Revalidates all EAPoUDP sessions.

authentication

Revalidates EAPoUDP sessions for specific authentication types.

clientless

Specifies sessions authenticated using clientless posture validation.

eap

Specifies sessions authenticated using EAPoUDP.

static

Specifies sessions authenticated using statically configured exception lists.

interface ethernet slot/port

Revalidates the EAPoUDP sessions for a specific interface.

ip-address ipv4-address

Revalidates the EAPoUDP sessions for a specific IPv4 address.

mac-address mac-address

Revalidates the EAPoUDP sessions for a specific MAC address.

posturetoken name

Revalidates the EAPoUDP sessions for a specific posture token.


Defaults

None

Command Modes

Any command mode


Note The NX-OS software supports an eou revalidate command in global configuration mode. To use an EXEC-level eou revalidate command in global configuration mode, include the required keywords.


Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to revalidate all the EAPoUDP sessions:

switch# eou revalidate all

This example shows how to revalidate all the EAPoUDP sessions:

switch# eou revalidate authentication static

This example shows how to revalidate all the EAPoUDP sessions:

switch# eou revalidate interface ethernet 1/1

This example shows how to revalidate all the EAPoUDP sessions:

switch# eou revalidate ip-address 10.10.1.1

This example shows how to revalidate all the EAPoUDP sessions:

switch# eou revalidate mac-address 0019.076c.dac4

This example shows how to revalidate all the EAPoUDP sessions:

switch# eou revalidate posturetoken healthy

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

show eou

Displays EAPoUDP information.


eou revalidate (global configuration and interface configuration)

To enable automatic periodic revalidation of Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) sessions globally or for a specific interface, use the eou revalidate command. To revert to the default, use the no form of this command.

eou revalidate

no eou revalidate

Syntax Description

This command has no arguments or keywords.

Defaults

Global configuration: Enabled

Interface configuration: Global configuration value

Command Modes

Global configuration
Interface configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

The automatic revalidation setting for an interface overrides the global setting for automatic revalidation.


Note The NX-OS software supports an eou revalidate command in EXEC configuration mode. To use an EXEC-level eou revalidate command in global configuration mode, include the required keywords.


You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to disable global automatic revalidation of EAPoUDP sessions:

switch# config t
switch(config)# no eou revalidate

This example shows how to enable global automatic revalidation of EAPoUDP sessions:

switch# config t
switch(config)# eou revalidate

This example shows how to disable automatic revalidation of EAPoUDP sessions for an interface:

switch# config t
switch(config)# no eou revalidate

This example shows how to enable automatic revalidation of EAPoUDP sessions for an interface:

switch# config t
switch(config)# eou revalidate

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

eou timeout

Configures the timeout interval for EAPoUDP automatic periodic validation.

show eou

Displays EAPoUDP information.


eou timeout

To configure timeout intervals for the global Extensible Authentication Protocol over User Datagram Protocol (EAPoUDP) timers or for the EAPoUDP timers for an interface, use the eou timeout command. To revert to the default, use the no form of this command.

eou timeout {aaa seconds | hold-period seconds | retransmit seconds | revalidation seconds | status-query seconds}

no eou timeout {aaa | hold-period | retransmit | revalidation | status-query}

Syntax Description

aaa seconds

Specifies the AAA timeout interval. The range is from 0 to 60 seconds.

Note Setting the AAA timeout interval to zero (0) disables the AAA timer.

hold-period seconds

Specifies the hold timeout interval. The range is from 60 to 86400 seconds.

retransmit seconds

Specifies the retransmit timeout interval. The range is from 1 to 60 seconds.

revalidation seconds

Specifies the period automatic revalidation timeout interval. The range is from 5 to 86400 seconds.

status-query seconds

Specifies the status query timeout interval. The range is from 10 to 1800 seconds.


Defaults

Global AAA timeout interval: 60 seconds (1 minute)

Global hold-period timeout: 180 seconds (3 minutes)

Global retransmit timeout interval: 3 seconds

Global revalidation timeout interval: 36000 seconds (10 hours)

Global status query timeout interval: 300 seconds (5 minutes)

Interface timeout intervals: Global configuration values

Command Modes

Global configuration
Interface configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

The timeout interval values for the interface timers override the global timeout values.

You must use the feature eou command before you configure EAPoUDP.

This command does not require a license.

Examples

This example shows how to change the global AAA timeout interval:

switch# config t
switch(config)# eou timeout aaa 50

This example shows how to change the AAA timeout interval for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou timeout aaa 60

This example shows how to change the global hold-period timeout interval:

switch# config t
switch(config)# eou timeout hold-period 480

This example shows how to change the hold-period timeout interval for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou timeout hold-period 540

This example shows how to change the global retransmit timeout interval:

switch# config t
switch(config)# eou timeout retransmit 5

This example shows how to change the retransmit timeout interval for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou timeout retransmit 4

This example shows how to change the global revalidation timeout interval:

switch# config t
switch(config)# eou timeout revalidation 34000

This example shows how to change the revalidation timeout interval for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou timeout revalidation 30000

This example shows how to change the global status-query timeout interval:

switch# config t
switch(config)# eou timeout status-query 240

This example shows how to change the status-query timeout interval for an interface:

switch# config t
switch(config)# interface ethernet 1/1
switch(config-if)# eou timeout status-query 270

Related Commands

Command
Description

feature eou

Enables EAPoUDP.

eou revalidate (global configuration)

Enables periodic automatic revalidation of endpoint devices.

show eou

Displays EAPoUDP information.


eq

To specify a single port as a group member in an IP port object group, use the eq command. To remove a single port group member from the port object group, use the no form of this command.

[sequence-number] eq port-number

no {sequence-number | eq port-number}

Syntax Description

sequence-number

(Optional) Sequence number for this group member. Sequence numbers maintain the order of group members within an object group. Valid sequence numbers are from 1 to 4294967295. If you do not specify a sequence number, the device assigns a number that is 10 greater than the largest sequence number in the current object group.

port-number

Port number that this group member matches. Valid port numbers are from 0 to 65535.


Defaults

None

Command Modes

IP port object group configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

IP port object groups are not directional. Whether an eq command matches a source or destination port or whether it applies to inbound or outbound traffic depends upon how you use the object group in an ACL.

This command does not require a license.

Examples

This example shows how to configure an IP port object group named port-group-05 with a group member that matches traffic sent to or from port 443:

switch# config t
switch(config)# object-group ip port port-group-05
switch(config-port-ogroup)# eq 443

Related Commands

Command
Description

gt

Specifies a greater-than group member in an IP port object group.

lt

Specifies a less-than group member in an IP port object group.

neq

Specifies a not-equal-to group member in an IP port object group.

object-group ip port

Configures an IP port object group.

range

Specifies a port-range group member in an IP port object group.

show object-group

Displays object groups.