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This chapter describes the Cisco NX-OS Multiprotocol Label Switching commands that begin with I.
To import route-map based virtual routing and forwarding (VRF) and virtual router context, use the import command.
import {map [map-name | redist-bgp] | vrf default [maximum-prefix | map]}
Name of the map. A map name can be a case-sensitive, alphanumeric character string with a maximum length of 63 characters. |
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This example shows how to import virtual router context:
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Configure the maximum number of routes to be allowed in the routing table. |
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Create a route-target extended community for a VRF instance. |
To insert or modifiy a traffic engineering (TE) explicit path entry at a specific index, use the index command. To restore the system to its default condition, use the no form of this command.
Command that can be the exclude-address keyword or the next-address keyword. |
TE explicit path configuration mode
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This example shows how to insert or modifiy a path entry at a specific index:
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Configures the Multiprotocol Label Switching (MPLS) Traffic Engineering Protocol (MPLS-TE). |
To apply an existing pseudowire port profile to an interface, use the inherit port-profile command.
inherit port-profile profile-name
Profile name. The string can be any alphanumeric string up to 63 characters. |
config-if-pseudowire configuration mode
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An interface can inherit only an active pseudowire port profile. To enable a pseudowire port profile, use the state enabled command.
This example shows how to apply an existing port profile to an interface:
To specify the type of pseudowire and the type of traffic that can flow across the network, use the internetworking command.
internetworking {ethernet | vlan}
config-xconnect configuration mode
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This command is required only if you are configuring a connection between two disparate attachment circuits.
This example shows how to specify the type of pseudowire and the type of traffic that can flow across the network:
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Enters Xconnect configuration mode and establishes a Layer 2 VPN (L2VPN) context for identifying the two members in a VPWS, multi segment pseudowire, or local connect service. |
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To configure an Ethernet interface on which you are enabling the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP), use the interface ethernet command. To return to the default setting, use the no form of this command.
interface ethernet slot/chassis number
no interface ethernet slot/chassis number
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When you disable the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP) on the device, no LDP commands are available.
This example shows how to configure the Ethernet interface on which you are enabling MPLS LDP:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To enter interface pseudowire configuration mode and configure a static pseudowire logical interface, use the interface pseudowire command. To delete the pseudowire interface and the associated configuration, use the no form of this command.
Pseudowire ID. The range is from 1 to 200000. The range for a static pseudowire is from 1 to 8192. |
config-if-pseudowire configuration mode
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This example shows how to enter interface pseudowire configuration mode and configure a static pseudowire logical interface:
This example shows how to delete the pseudowire interface and the associated configuration:
To configure a traffic engineering (TE) interface, use the interface tunnel-te command. To restore the system to its default condition, use the no form of this command.
Traffic engineering interface number. The range is from 0 to 65503. |
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This example shows how to configure a TE interface:
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To install feature set Multiprotocol Label Switching (MPLS), use the install feature-set mpls command. To restore the system to its default condition, use the no form of this command.
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This example shows how to install feature set MPLS:
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Enables the feature set Multiprotocol Label Switching (MPLS). |
To create a prefix list for Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP) label filtering, outbound filtering, or inbound filtering, use the ip prefix-list command. To return to the default setting, use the no form of this command.
ip prefix-list prefix-list {description description | seq number [deny network/length [eq eq-length | ge ge-length | le le-length ] | permit network/length [eq eq-length | ge ge-length]] | deny network/length [eq eq-length | ge ge-length | le le-length]}
no ip prefix-list prefix-list {description description | seq number [deny network/length [eq eq-length | ge ge-length | le le-length ] | permit network/length [eq eq-length | ge ge-length]] | deny network/length [eq eq-length | ge ge-length | le le-length]}
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This example shows how to create an IP prefix list and specifies the prefixes permitted by the prefix list:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure information about the Resource Reservation Protocol (RSVP) information, use the ip rsvp command. To restore the system to its default condition, use the no form of this command.
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This example shows how to configure RSVP information:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure the Resource Reservation Protocol (RSVP) to use a challenge handshake on an interface, use the ip rsvp authentication challenge command. To disable the authentication on an interface, use the no form of this command.
ip rsvp authentication challenge
no ip rsvp authentication challenge
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This example shows how to configure RSVP to use a challenge handshake on an interface:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To activate the Resource Reservation Protocol (RSVP) cryptographic authentication on an interface, use the ip rsvp authentication key-chain command. To disable the authentication on an interface, use the no form of this command.
ip rsvp authentication key-chain key-chain-name
no ip rsvp authentication key-chain key-chain-name
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This example shows how to activate RSVP cryptographic authentication on an interface:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To control how long the Resource Reservation Protocol (RSVP) maintains security associations on an interface, use the ip rsvp authentication lifetime command. To return to the default settings, use the no form of this command.
ip rsvp authentication lifetime hh:mm:ss
no ip rsvp authentication lifetime hh:mm:ss
Lifetime value in seconds. The range is from 30 to 86400 seconds. |
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This example shows how to control how long RSVP maintains security associations on an interface:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure the algorithm used to generate crytpgraphic signature messages on an interface, use the ip rsvp authentication type command. To return to the default settings, use the no form of this command.
ip rsvp authentication type {md5 | sha-1}
no ip rsvp authentication type {md5 | sha-1}
Specifies the Rivest, Shamir, and Adleman (RSA) Message Digest 5 hash algorithm. |
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Specifies the National Institute of Standards and Technology (NIST) Secure Hash Algorithm 1. |
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This example shows how to configure the algorithm used to generate crytographic signatures messages on an interface:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure the tolerance for an out-of-sequence message on an interface, use the ip rsvp authentication window-size command. To return to the default settings, use the no form of this command.
ip rsvp authentication window-size value
no ip rsvp authentication window-size value
Maximum number of messages allowed in receive window. The range is from 1 to 64. |
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This example shows how to specify the tolerance for an out-of-sequence message on an interface:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To set a Differentiated Services Code Point (DSCP) for Resource Reservation Protocol (RSVP) signalling messages, use the ip rsvp signalling dscp command. To revert to the default settings, use the no form of this command.
no ip rsvp signalling dscp value
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This example shows how to set the DSCP for RSVP signalling messages:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To set the differentiated services code point (DSCP) value that is in the IP header of the hello message, use the ip rsvp signalling hello dscp command. To revert to the default settings, use the no form of this command.
ip rsvp signalling hello dscp value
no ip rsvp signalling hello dscp value
Differentiated Services Code Point (DSCP) value. The range is from 0 to 63. |
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This example shows how to set the DSCP value that is in the IP header of the hello message:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure IP Resource reservation Protocol (RSVP) signalling hello reroute commands, use the ip rsvp signalling hello reroute command. To revert to the default settings, use the no form of this command.
ip rsvp signalling hello reroute [override-graceful]
no ip rsvp signalling hello reroute [override-graceful]
Specifies to ignore the existence of the GR node neighbor for the Hello State Timer (HST) behavior. |
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This example shows how to configure IP RSVP signalling hello RSVP reroute commands:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure the number of consecutive missed hello message before a neighbor is declared down or unreachable for Hello State Timer (HST) functionality, use the ip rsvp signalling hello reroute state-timeout refresh misses command. To return to the default behavior, use the no form of this command.
ip rsvp signalling hello reroute state-timeout refresh misses value
no ip rsvp signalling hello reroute state-timeout refresh misses vlaue
Maximum number of messages allowed in the receive window. The range is from 1 to 64. |
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This example shows how to configure the number of consecutive missed hello message before a neighbor is declared down or unreachable for HST functionality:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To configure the interval in which Resource Reservation Protocol (RSVP) hello mesages are sent to support the HST functionality, use the ip rsvp signalling hello reroute state-timeout refresh interval command. To return to the default settings, use the no form of this command.
ip rsvp signalling hello reroute state-timeout refresh interval time
no ip rsvp signalling hello reroute state-timeout refresh misses time
Maximum number of messages allowed in the receive window. The range is from 1 to 64. |
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The same form of the command with the fast-reroute keyword may be used to configure the number of missed consecutive hello messages before a neighbor is declared down for fast reroute functionality in a future phase.
This example shows how to configure the interval in which RSVP hello message are sent to support the HST functionality:
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Configures the Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP). |
To enable IP processing on an interface without assigning an explicit IP address to the interface, use the ip unnumbered loopback command. To restore the system to its default condition, use the no form of this command.
no ip unnumbered loopback number
TE interface configuration mode
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This command is not effective until you configure the specified loopback with an IP address.
This example shows how to configure an interface as an unnumbered loopback:
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To configure the Intermediate System-to-Intermediate System (IS-IS) metric for a tunnel interface to be used as a forwarding adjacency, use the isis metric command.
isis metric metric-value {level-1 | level-2}
TE interface configuration mode
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Specify the isis metric command with level-1 or level-2 to be consistent with the IGP level at which you are performing traffic engineering; otherwise, the metric default value is 10.
Use this command only if the IGP is IS-IS. If the IGP is OSPF, use the equivalent OSPF command.
This example shows how to configure the IS-IS metric for a tunnel interface to be used as a forwarding adjacency:
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