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    Configuring Label Switched Path (NSM Procedure)

    You can configure a label-switched path to use in a dynamic MPLS.

    To configure label-switched paths:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure label-switched paths.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path.
    4. Click + to configure label-switched paths.
    5. Add or modify settings as described in Table 1.
    6. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the label-switched path parameters.

    Table 1: Label-Switched Path Configuration Details

    Option

    Function

    Your Action

    Name

    Specifies the path name.

    Enter a path name.

    Comment

    Supplies a descriptive comment for the label-switched path.

    (Optional) Enter a comment.

    Disable

    Specifies that you can disable MPLS label-switched path.

    Select the check box to enable this feature.

    No Install to Address

    Specifies that you cannot install host route to address into the routing tables.

    Select the check box to enable this feature.

    Backup

    Specifies to use a label-switched path for Interior Gateway Protocol (IGP) backup.

    Select the check box to enable this feature.

    From

    Specifies the address of an ingress device.

    Enter the address of an ingress device.

    Metric

    Specifies a metric value.

    Set the metric value.

    Range: 1 through 16777215.

    Ldp Tunneling

    Specifies that the LDP is allowed to use this a label-switched path for tunneling.

    Select the check box to enable this feature.

    Soft Preemption

    Specifies to attempt make-before-break service while preempting this a label-switched path.

    Select the check box to enable this feature.

    Retry Timer

    Specifies the time before retrying the primary path.

    Set the retry timer.

    Range: 1 through 600.

    Retry Limit

    Specifies the maximum number of times to retry the primary path.

    Set the retry limit.

    Range: 0 through 10000.

    Revert Timer

    Specifies the hold-down window before reverting to the primary path.

    Set the revert timer.

    Range: 0 through 65535.

    Class of Service

    Specifies the class-of-service value.

    Set the class-of-service value.

    Range: 0 through 7.

    No Decrement Ttl

    Specifies that you cannot decrement the time to live (TTL) within a label-switched path.

    Select the check box to enable this feature.

    Hop Limit

    Specifies the maximum allowed device hops.

    Set the hop limit.

    Range: 2 through 255.

    No Cspf

    Specifies that the Constrained Shortest Path First (CSPF) path computation is disabled.

    Select the check box to enable this feature.

    Admin Down

    Specifies that the Generalized MPLS label-switched path is set to the administratively down state.

    Select the check box to enable this feature.

    Optimize Timer

    Specifies the periodical path reoptimizations.

    Set the periodical path reoptimization value.

    Range: 0 through 65535.

    Preference

    Specifies the preference value.

    Set the preference value.

    Range: 0 through 4,294,967,295.

    record / no-record

    Specifies whether a label-switched path should actively record the routes in the path or not.

    Select one option.

    Standby

    Specifies that the path remains up at all times to provide instant switchover if connectivity problems occur.

    Select the check box to enable this feature.

    random / least-fill / most-fill

    Specifies the preferred path when several equal-cost candidate paths to a destination exist, and prefers the path with the highest available bandwidth (with the largest minimum available bandwidth ratio).

    Select an option.

    Description

    Specifies the description for the label switch.

    Enter a description.

    link-protection

    Specifies that you can enable link protection on the specified label-switched path.

    Select the option.

    node-link-protection

    Specifies that you can enable link protection on the specified interface.

    Select the option.

    Inter Domain

    Specifies the interdomain label-switched path.

    Select the check box to enable this feature.

    Adaptive

    Specifies that the label-switched path can smoothly cut over to the new routes.

    Select the check box to enable this feature.

    Associate Backup Pe Groups

    Specifies that you can associate this label-switched path with backup-pe groups.

    Select the check box to enable this feature.

    Egress Protection

    Specifies that you can use this label-switched path for egress protection data transport.

    Select the check box to enable this feature.

    Configuring Label-Switched Path includes the following topics:

    Configuring an Admin Group (NSM Procedure)

    You can configure an administrative group for MPLS.

    To configure an administrative group:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure an administrative group.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Admin Group.
    4. Enter a descriptive comment for the administrative group in Comment.
    5. An administrative group is typically named with a color and a numeric value, and is applied to the MPLS interface for the appropriate links. You can enter links in Exclude, or Include All, or Include Any.
    6. To configure administrative groups, in the configuration tree, select Protocols > Mpls > Admin Groups.
    7. Click + to configure administrative groups as described in Table 2.
    8. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the administrative group and administrative groups parameters.

    Table 2: Admin Groups Configuration Details

    Option

    Function

    Your Action

    Name

    Specifies the name for the administrative groups.

    Enter the name for the administrative groups.

    Comment

    Supplies a descriptive comment for the administrative groups.

    (Optional) Enter a comment.

    Group Value

    Specifies the group bit position.

    Set the group value.

    Range: 0 through 31.

    Configuring Auto Bandwidth (NSM Procedure)

    To configure automatic bandwidth:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure an automatic bandwidth.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Auto Bandwidth.
    4. Select the Enable Feature check box to configure automatic bandwidth.
    5. Add or modify settings as described in Table 3.
    6. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the automatic bandwidth parameters.

    Table 3: Auto Bandwidth Configuration Details

    Option

    Function

    Your Action

    Comment

    Supplies a descriptive comment for the automatic bandwidth.

    (Optional) Enter a comment.

    Adjust Interval

    Specifies the time interval for adjusting the label-switched path bandwidth.

    Set the adjust interval time.

    Range: 300 through 4,294,967,295.

    Adjust Threshold

    Specifies the change in average label-switched path utilization to trigger automatic adjustment.

    Set the adjust threshold value.

    Range: 0 through 50.

    Minimum Bandwidth

    Specifies the minimum label-switched path bandwidth.

    Enter the minimum label-switched path bandwidth.

    Maximum Bandwidth

    Specifies the maximum label-switched path bandwidth.

    Enter the maximum label-switched path bandwidth.

    Monitor Bandwidth

    Specifies that you can monitor label-switched path bandwidth without adjustments.

    Select the check box to enable this feature.

    Adjust Threshold Overflow Limit

    Specifies the number of consecutive overflow samples to trigger automatic adjustment.

    Set the adjust threshold overflow limit.

    Range: 1 through 65535.

    Configuring Fast Reroute (NSM Procedure)

    To configure a fast reroute:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure a fast reroute.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Fast Reroute.
    4. Enter a descriptive comment for the reroute in Comment.
    5. Set the maximum allowed hop routes in Hop Limit.
    6. Add or modify settings as described in Table 4.
    7. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the fast reroute parameters.

    Table 4: Fast Reroute Configuration Details

    Option

    Function

    Your Action

    label-switched-path > Fast Reroute > Bandwidth

    bandwidth

    Specifies the bandwidth for the reroute path.

    Select the option.

    bandwidth-percent

    Specifies the percentage of bandwidth to reserve for the detour path in case the primary path fails for a traffic engineered label-switched path or a multiclass label-switched path.

    Select the option.

    label-switched-path > Fast Reroute > Exclude

    exclude

    Specifies the administrative groups to exclude for a label-switched path of a primary path or a secondary path.

    Enter an administrative group name to exclude for a label-switched path of a primary path or a secondary path.

    no-exclude

    Specifies the administrative groups to exclude for a fast reroute.

    Select the option.

    label-switched-path > Fast Reroute > Include All

    include-all

    Specifies that the label-switched path is required to traverse links that include all the defined administrative groups.

    Select the option and enter the administrative group name.

    no-include-all

    Specifies that you can disable administrative group inclusion.

    Select the option.

    label-switched-path > Fast Reroute > Include Any

    include-any

    Specifies that you can define any administrative group to include for a label-switched path of a primary path and a secondary path.

    Select the option.

    no-include-any

    Specifies that you can disable any administrative group inclusion.

    Select the option.

    Configuring Install (NSM Procedure)

    To configure an install:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure an install.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Install.
    4. Enter a name for the install in Name.
    5. Enter a descriptive comment for the install in Comment.
    6. Select the Active check box to install a prefix into the forwarding table.
    7. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the install parameters.

    Configuring P2MP (NSM Procedure)

    You can configure a Point-to-Multipoint (P2MP) label-switched path.

    To configure a P2MP label-switched path:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure the P2MP label-switched path.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > P2mp.
    4. Select the check box to enable the feature in Enable Feature.
    5. Enter a descriptive comment for the P2MP label-switched path in Comment.
    6. Enter a name for the P2MP label-switched path in Path_name.
    7. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the P2MP parameters.

    Configuring Policing (NSM Procedure)

    You can configure policing (also known as rate limiting) to limit the amount of traffic that passes into or out of an interface.

    To configure policing:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure policing.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Policing.
    4. Enter a descriptive comment for the policing in Comment.
    5. Select the name of the filter used for policing the label-switched path traffic in Filter.
    6. Enable the check box to turn off automatic policing for this label-switched path in No Auto Policing.
    7. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the policing parameters.

    Configuring Primary (NSM Procedure)

    You can configure the primary path to use for a label-switched path.

    To configure a primary label-switched path:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure a primary label-switched path.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Primary.
    4. Click + to configure the primary label-switched path.
    5. Add or modify settings as described in Table 5.
    6. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the primary parameters.

    Table 5: Primary LSP Configuration Details

    Option

    Function

    Your Action

    Name

    Specifies the name of the primary path.

    Enter a primary path name.

    Comment

    Supplies a descriptive comment for the primary path label-switched path.

    (Optional) Enter a comment.

    Class of Service

    Specifies the class-of-service value.

    Set the class-of-service value.

    Range: 0 through 7.

    No Decrement Ttl

    Specifies that you cannot decrement the TTL within a label-switched path.

    Select the check box to enable this feature.

    Hop Limit

    Specifies the maximum allowed device hops.

    Set the maximum allowed device hops.

    Range: 2 through 255.

    No Cspf

    Specifies that the automatic path computation is disabled.

    Select the check box to enable this feature.

    Admin Down

    Specifies that the Generalized MPLS (GMPLS) label-switched path is set to administrative down state.

    Select the check box to enable this feature.

    Optimize Timer

    Specifies the periodical path reoptimization.

    Set the periodical path reoptimization value.

    Range: 0 through 65535.

    Preference

    Specifies the preference value.

    Set the preference value.

    Range: 0 through 4,294,967,295.

    record / no-record

    Specifies whether a label-switched path should actively record the routes in the path or not.

    Select one option.

    Standby

    Specifies that the path remains up at all times to provide instant switchover if connectivity problems occur.

    Select the check box to enable this feature.

    Adaptive

    Specifies that the Resource Reservation Protocol (RSVP) uses the shared explicit (SE) reservation styles and assists in smooth transition during rerouting.

    Select the check box to enable this feature.

    Select

    Specifies a way of selection. You cannot specify both options.

    Select an option from the list.

    label-switched-path > Primary > Admin Group

    To configure an administrative group, see Configuring an Admin Group (NSM Procedure).

    label-switched-path > Primary > Bandwidth

    To configure a bandwidth, see Configuring Bandwidth (NSM Procedure).

    label-switched-path > Primary > Oam

    label-switched-path > Primary > Priority

    Enable Feature

    Specifies that you can configure the priority settings.

    Select the check box to enable this feature.

    Comment

    Supplies a descriptive comment for the priority settings.

    (Optional) Enter a comment.

    Setup Priority

    Specifies the setup priority that is set.

    Set the setup priority value.

    Range: 0 through 7.

    Reservation Priority

    Specifies the reservation priority which is used to keep a reservation after it has been set up.

    Set the reservation priority value.

    Range: 0 through 7.

    Configuring Priority (NSM Procedure)

    When there is insufficient bandwidth to establish a more important label-switched path, you might want to tear down a less important existing label-switched path to free the bandwidth, by setting priorities.

    To configure a priority:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure a priority.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Priority.
    4. Select the check box to configure priority in Enable Feature.
    5. Enter a descriptive comment for the priority setting in Comment.
    6. Specify whether a new label-switched path that preempts an existing label-switched path needs to be established in Setup Priority. Range: 0 through 7.
    7. Specify the degree to which a label-switched path holds onto its session reservation after the label-switched path has been set up successfully in Reservation Priority. Range: 0 through 7.
    8. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the priority parameters.

    Configuring Secondary (NSM Procedure)

    You can configure a secondary path to use for a label-switched path.

    To configure a secondary label-switched path:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure a secondary label-switched path.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Secondary.
    4. Click + to configure the secondary label-switched path.
    5. To configure administrative groups, see Configuring an Admin Group (NSM Procedure).
    6. To configure bandwidth, see Configuring Bandwidth (NSM Procedure).
    7. To configure priority, see Configuring Priority (NSM Procedure).
    8. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the secondary parameters.

    Configuring Traceoptions (NSM Procedure)

    You can configure traceoptions.

    To configure traceoptions:

    1. In the NSM navigation tree, select Device Manager > Devices.
    2. Click the Device Tree tab, and then double-click the device for which you want to configure traceoptions.
    3. Click the Configuration tab. In the configuration tree, select Protocols > Mpls > Label Switched Path > Traceoptions.
    4. Enter a descriptive comment for the traceoption.
    5. Add or modify settings as described in Table 6.
    6. Click one:
      • OK—Saves the changes.
      • Cancel—Cancels the modifications.
      • Apply—Applies the traceoption parameters.

    Table 6: Traceoptions Configuration Details

    Option

    Function

    Your Action

    label-switched-path > Traceoptions > File

    Comment

    Supplies a descriptive comment for the file traceoption.

    (Optional) Enter a comment.

    Filename

    Specifies the name of the file in which to write the trace information.

    Enter the filename.

    Size

    Specifies the maximum trace file size.

    Enter the trace file size.

    Files

    Specifies the maximum number of trace files.

    Set the maximum number of trace files.

    Range: 2 through 1000.

    world-readable

    Specifies unrestricted file access.

    Select the option.

    no-world-readable

    Specifies that file access is restricted to the owner only.

    Select the option.

    label-switched-path > Traceoptions > Flag

    Name

    Specifies the flag name.

    Enter a flag name.

    Comment

    Supplies a descriptive comment for the flag traceoption.

    (Optional) Enter a comment.

    Published: 2013-01-06