Cisco Nexus 7000 Series NX-OS MPLS Command Reference
D Commands
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D Commands

Table Of Contents

D Commands

destination

discovery hello

discovery targeted-hello


D Commands


This chapter describes the Cisco NX-OS Multiprotocol Label Switching commands that begin with D.

destination

To configure the destination for the tunnel-te interface, use the destination command. To restore the system to its default condition, use the no form of this command.

destination ip-address

no destination

Syntax Description

ip-address

IP address is in dotted decimal notation.


Defaults

None

Command Modes

TE interface configuration mode

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

5.2(1)

This command was introduced.


Usage Guidelines

This command requires the MPLS Services license.

Examples

This example shows how to configure the destination for the tunnel:

switch# configure terminal
switch(config)# interface tunnel-te 1
switch(config-if-te)# destination 10.1.1.4
switch(config-if-te)#

Related Commands

Command
Description

interface tunnel-te

Configures the traffic engineering (TE) interface.


discovery hello

To configure the hold time or interval for directly connected neighbors, use the discovery hello command. To return to the default setting, use the no form of this command.

discovery hello {holdtime seconds | interval seconds}

no discovery hello {holdime | interval}

Syntax Description

holdtime

Specifies the period of time that a discovered LDP neighbor is remembered without receipt of an LDP hello message from the neighbor.

interval

Specifies the interval in seconds between the sending of consecutive hello messages.

seconds

Hold time in Seconds. The range is from 1 to 65535 seconds.


Defaults

Default holdtime is 15 seconds, interval is 5 seconds

Command Modes

LDP configuration mode

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

5.2(1)

This command was introduced.


Usage Guidelines

When you disable the Multiprotocol Label Switching Label Distribution Protocol (LDP) on the device, no LDP commands are available.

This command requires the MPLS Services license.

Examples

This example shows how to configure the LDP discovery hello holdtime:

switch(config)# mpls ldp configuration
switch(config-ldp)# discovery hello holdtime 10
switch(config-ldp)#
 
   

This example shows how to configure the LDP discovery hello interval:

switch(config)# mpls ldp configuration
switch(config-ldp)# discovery hello interval 10
switch(config-ldp)#
 
   
 
   

Related Commands

Command
Description

mpls ldp configuration

Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP).


discovery targeted-hello

To configure the router to respond to requests for targeted-hello messages from all neighbors or from neighbors specified by the optional prefix list or configure the hold time or interval for neighbors that are not directly connected, use the discovery targeted-hello command. To return to the default setting, use the no form of this command.

discovery targeted-hello {acccept [from prefix-list] | holdtime seconds | interval seconds}

no discovery targeted-hello {acccept [from prefix-list] | holdtime seconds | interval seconds}

Syntax Description

accept

Specifies to accept targeted hellos.

from

(Optional) Specifies the prefix list from which you can specify acceptable targeted hello sources

prefix-list

(Optional) Name of the prefix list.

holdtime

Specifies the period of time that a discovered Label Distribution Protocol (LDP) neighbor is remembered without receipt of an LDP hello message from the neighbor

interval

Specifies the period of time between the sending of consecutive hello messages.

seconds

Hold time in seconds. The range is from 1 to 65535.


Defaults

Default value for holdtime is 90 seconds.

Default value for interval is 10 seconds.

Command Modes

LDP configuration mode

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

5.2(1)

This command was introduced.


Usage Guidelines

This command requires the MPLS Services license.

Examples

This example shows how to configure the LDP discovery targeted hello holdtime:

switch(config)# mpls ldp configuration
switch(config-ldp)# discovery targeted-hello holdtime 1
switch(config-ldp)#
 
   

This example shows how to configure the LDP discovery targeted hello interval:

switch(config)# mpls ldp configuration
switch(config-ldp)# discovery targeted-hello interval 1
switch(config-ldp)#

Related Commands

Command
Description

mpls ldp configuration

Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP).