D Commands
This chapter describes the Cisco NX-OS Multiprotocol Label Switching commands that begin with D.
demand-circuit
To specify the sham link as a demand circuit (DC) by the Open Shortest Path First (OSPF) in order to reduce the traffic flow over the sham link, use the demand-circuit command.
Syntax Description
Defaults
Command Modes
Command History
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Usage Guidelines
Examples
This example shows how to specify the sham link as a DC by the OSPF in order to reduce the traffic flow over the shamlink:
Related Commands
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Configures the sham link on the PE interface within a specified OSPF area and with the loopback interfaces specified by the IP addresses (source and destination) as endpoints. |
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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.
Syntax Description
Defaults
Command Modes
TE interface configuration mode
Command History
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Usage Guidelines
Examples
This example shows how to configure the destination for the tunnel:
Related Commands
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device ospf
To enable Open Shortest Path First (OSPF) and enter device configuration mode, use the device ospf command.
Syntax Description
Instance-tag. It can be any case-sensitive, alphanumeric string up to 20 characters. |
Defaults
Command Modes
Command History
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Usage Guidelines
Examples
This example shows how to enable OSPF and enter device configuration mode:
Related Commands
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disable-peer-as-check
To disable checking the peer autonomous system number (ASN) during route advertisement, use the disable-peer-as-check command.
Syntax Description
Defaults
Command Modes
config-router-vrf-neighbor-af mode
Command History
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Usage Guidelines
Examples
This example shows how to disable checking the peer ASN during a route advertisement:
Related Commands
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
Defaults
Command Modes
Command History
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Usage Guidelines
When you disable the Multiprotocol Label Switching Label Distribution Protocol (LDP) on the device, no LDP commands are available.
Examples
This example shows how to configure the LDP discovery hello holdtime:
This example shows how to configure the LDP discovery hello interval:
Related Commands
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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
Defaults
Command Modes
Command History
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Usage Guidelines
Examples
This example shows how to configure the LDP discovery targeted hello holdtime:
This example shows how to configure the LDP discovery targeted hello interval:
Related Commands
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |