Technical Documentation

Configuring RSVP (NSM Procedure)

To configure the Resource ReSerVation Protocol (RSVP) in NSM:

  1. In the NSM navigation tree, select Device Manager > Devices.
  2. Click the Device Tree tab, and then double-click the device to select it.
  3. Click the Configuration tab. In the configuration tree, expand Protocols.
  4. Select RSVP.
  5. Add or modify settings as specified in Table 1.
  6. Click one:
    • OK—Saves the changes.
    • Cancel—Cancels the modifications.

Table 1: RSVP Configuration Details

Task Your Action

Configure RSVP.
  1. Expand RSVP.
  2. In the Comment box, enter the comment.
  3. Select the Disable check box to explicitly disable RSVP or RSVP graceful restart.
  4. Select the No-P2mp-Sublsp check box to reject Resv messages which include the S2L_SUB_LSP object.
  5. From the Refresh Time list, select the refresh time.

    Range: 1 through 255

    Default: 3

  6. From the Keep Multiplier list, select the keep multiplier value.

    Range: 1 through 65,535

    Default: 30 seconds

  7. From the Graceful Deletion-Timeout list, select the time before completing graceful deletion of signaling.

    Range: 1 through 300 seconds

    Default: 30 seconds

Configure the optimization interval for fast reroute paths.

  1. Expand RSVP.
  2. Click Fast Reroute next to RSVP.
  3. In the Comment box, enter the comment for the fast reroute.
  4. From the Optimize Timer list, select the number of seconds between fast reroute detour Label-Switched Paths (LSP).

    Range: 0 through 65,535 seconds

    Default: 0 (disabled)

Configure RSVP graceful restart.
  1. Expand RSVP.
  2. In the Comment box, enter the comment for the filename.
  3. Select the Disable check box to explicitly disable RSVP or RSVP graceful restart.
  4. Select the Helper Disable check box to Disable RSVP graceful restart helper mode.
  5. From the Maximum Helper Restart Time list, select the maximum length of time the router waits between when it discovers that a neighboring router has gone down and when it declares the neighbor down.

    Range: 1 through 1800 seconds

    Default: 20 seconds

  6. From the Maximum Helper Recovery Time list, select the maximum length of time the router stores the state of neighboring routers when they undergo a graceful restart.

    Range: 1 through 3600 seconds

    Default: 0 (disabled)

Enable RSVP on one or more router interfaces.
  1. Click Interface next to Rsvp.
  2. Click Add new entry next to Interface.
  3. In the Name box, enter the name of the interface.
  4. In the Comment box, enter the comment.
  5. Select Disable check box to explicitly disable RSVP or RSVP graceful restart.
  6. In the Authentication Key box, enter the authentication key (password).
  7. Select one of the following:
    • aggregate—To use RSVP aggregate messages.
    • no-aggregate—To not to use RSVP aggregate messages.
  8. Select one of the following:
    • reliable—To enable reliable message delivery on the interface.
    • no-reliable—To disable reliable message delivery on the interface.
  9. From the hello Interval list, select the length of time between hello packets. A value of 0 disables the sending of hello packets on the interface.

    Range: 1 through 60 seconds

    Default: 9 seconds

  10. In the Bandwidth box, enter the bandwidth in bits per second.
  11. From the Update Threshold list, select the percentage change in bandwidth to trigger an Interior Gateway Protocol (IGP) update.

    Range: 1 through 60 seconds

    Default: 9 seconds

Configuring link protection on interfaces.
  1. Click Link Protection next to interface.
  2. In the Comment box, enter the comment.
  3. Select the Disable check box to explicitly disable link protection on the specified interface.
  4. From the Max Bypasses list, select the maximum number of bypass LSPs. If you configure a value of 0, no dynamic bypass LSPs are allowed to be established for the interface.

    Range: 1 through 99

    Default: 1

  5. From the Subscription list, select the percent of the class-type or bypass LSP bandwidth that RSVP allows to be used for reservations. If you specify a value greater than 100, you are oversubscribing the class type or bypass LSP.

    Range: 0 through 65,000

    Default: 100 percent

  6. Select No Node Protection to disable node protection
  7. From the Class of Service list, select the CoS value.

    Range: 0 through 7

    Default: If you do not specify a Class of Service (CoS) value, the IP precedence bits from the packet’s IP header are used as the packet’s CoS value.

  8. From the Hop Limit list, select the maximum number of hops a bypass can traverse.

    Range: 2 through 255 hops

    Default: 255 hops

  9. Select the No Cspf check box to disable CSPF computation on all bypass LSPs or on a specific bypass LSP. You need to disable Constraint Shortest Path First (CSPF) for link protection to function properly on interarea paths.
  10. From the Setup Priority list, select the setup priority.

    Range: 0 through 7, where 0 is the highest and 7 is the lowest priority

    Default: 7 (The session cannot preempt any existing sessions.)

  11. From the Reservation Priority list, select the reservation priority.

    Range: 0 through 7, where 0 is the highest and 7 is the lowest priority. Default: 0 (Once the session is set up, no other session can preempt it.)

Configure administrative groups for bypass LSPs.
  1. Click Admin Group next to Link Protection.
  2. Click Exclude next to Admin Group.
  3. Click Add new entry next to Exclude.
  4. In the New exclude window, enter the administrative groups to exclude for a bypass LSP.
  5. Click Include All next to Admin Group.
  6. Click Add new entry next to Include All.
  7. In the New include-all window, enter the administrative groups whose links the bypass LSP must traverse.
  8. Click Include Any next to Admin Group.
  9. Click Add new entry next to Include Any.
  10. In the New include-any window, enter the administrative groups whose links the bypass LSP can traverse.

Configuring the bandwidth for bypass LSPs.
  1. Click Bandwidth next to Link Protection.
  2. In the Per Traffic Class Bandwidth box, enter the bandwidth.
  3. In the class-type number box, enter the class-type bandwidth.

Configure a bypass LSP
  1. Click Bypass next to Link Protection.
  2. Click Add new entry next to Bypass.
  3. Click Admin Group next to Bypass.
  4. Click Exclude next to Admin Group.
  5. Click Add new entry next to Exclude.
  6. In the New exclude window, enter the administrative groups to exclude for a bypass LSP.
  7. Click Include All next to Admin Group.
  8. Click Add new entry next to Include All.
  9. In the New include-all window, enter the administrative groups whose links the bypass LSP must traverse.
  10. Click Include Any next to Admin Group.
  11. Click Add new entry next to Include Any.
  12. In the New include-any window, enter the administrative groups whose links the bypass LSP can traverse.
  13. Click Bandwidth next to Link Protection.
  14. In the Per Traffic Class Bandwidth box, enter the bandwidth.
  15. In the class-type number box, enter the class-type bandwidth.
  16. Click Path next to Bypass.
  17. Click Add new entry next to Path.
  18. In the Name box, enter the IP address of each transit router in the LSP.
  19. Select one of the following:
    • loose—If the LSP can traverse other routers before reaching this router.
    • strict—If the LSP must go to the next address specified in the path statement without traversing other nodes.

Configuring an explicit path for bypass LSPs.
  1. Click Path next to Link Protection.
  2. Click Add new entry next to Path.
  3. In the Name box, enter the IP address of each transit router in the LSP.
  4. In the Comment box, enter the comment.
  5. Select one of the following:
    • loose—If the LSP can traverse other routers before reaching this router.
    • strict—If the LSP must go to the next address specified in the path statement without traversing other nodes.

Configuring the bandwidth subscription percentage for LSPs.

  1. Click Subscription next to interface.
  2. In the Link Subscription box, enter the class-type bandwidth that RSVP allows to be used for reservations.
  3. In the class-type number percentage box, enter the percent of class-type bandwidth. You can specify bandwidth subscriptions for class types 0 through 3.

Configuring load balancing across RSVP LSPs.
  1. Click Load Balance next to Rsvp.
  2. In the Comment box, enter the comment.
  3. Select the Bandwidth check box to load-balance traffic between RSVP LSPs based on the bandwidth configured for each LSP.

Configuring RSVP for LMP peer interfaces.
  1. Click Peer Interface next to Rsvp.
  2. Click Add new entry next to Peer Interface.
  3. In the Name box, enter the peer interface name.
  4. In the Comment box, enter the comment.
  5. Select Disable check box Explicitly disable RSVP or RSVP graceful restart.
  6. In the Authentication Key box, enter the authentication key (password).
  7. Select one of the following:
    • aggregate—To use RSVP aggregate messages.
    • no-aggregate—To not to use RSVP aggregate messages.
  8. Select one of the following:
    • reliable—To enable reliable message delivery on the interface.
    • no-reliable—To disable reliable message delivery on the interface.
  9. From the Hello Interval list, select the length of time between hello packets. A value of 0 disables the sending of hello packets on the interface.

    Range: 1 through 60 seconds

    Default: 9 seconds

Preempt RSVP sessions.
  1. Click Preemption next to Rsvp.
  2. In the Comment box, enter the comment.
  3. Select one of the following:
    • disabled—To stop preempt RSVP sessions.
    • normal—To preempt RSVP sessions to accommodate new higher-priority sessions when bandwidth is insufficient to handle all sessions.
    • Select aggressive—To preempt RSVP sessions whenever bandwidth is insufficient to handle all sessions.
  4. Click Soft Preemption next to Preemption.
  5. From the Cleanup Timer list, select a timer value for soft preemption

    A value of 0 disables soft preemption.

    Range: 0 through 180 seconds

    Default: 30 seconds

Enable RSVP protocol–level trace options.
  1. Click Traceoptions next to Rsvp.
  2. In the Comment box, enter the comment for the traceoptions.
  3. Click File next to Traceoptions.
  4. In the Comment box, enter the comment for the filename.
  5. In the Filename box, enter the name of the file to receive the output of the tracing operation.
  6. In the Size box, enter the maximum trace file size.
  7. From the Files list, select the maximum number of trace files.
  8. Select one of the following:
    • Select no-world-readable—To restrict the file access to owner.
    • Select world-readable—To enable unrestricted access.
  9. Click Flag next to Traceoptions.
  10. Click Add new entry next to Flag.
  11. From the Name list, select the flag to perform the trace operation.
  12. In the Comment box, enter the comment for the flag.
  13. Select the corresponding modifier for the tracing flag.

Enable ultimate-hop popping on point-to-multipoint LSPs.
  1. Click Tunnel Services next to Rsvp.
  2. Click Devices next to Tunnel Services.
  3. Click Add new entry next to Devices.
  4. In the New devices window, enter the device names that specify which virtual tunnel interfaces are used to handle the RSVP traffic.

    Range: 0 to 8 devices

Published: 2009-08-23