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Juniper ACX2000
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ATM Pseudowire Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592
Example: ATM Pseudowire Base Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 592
Ethernet Pseudowire Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 596
Example: Ethernet Pseudowire Base Configuration . . . . . . . . . . . . . . . . . . . . . . . 597
TDM Pseudowires Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
Example: TDM Pseudowire Base Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 600
Redundant Pseudowires for Layer 2 Circuits and VPLS . . . . . . . . . . . . . . . . . . . . 604
Types of Redundant Pseudowire Configurations . . . . . . . . . . . . . . . . . . . . . 604
Pseudowire Failure Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605
Configuring Redundant Pseudowires for Layer 2 Circuits and VPLS . . . . . . . . . . 606
Configuring Pseudowire Redundancy on the PE Router . . . . . . . . . . . . . . . . 606
Configuring the Switchover Delay for the Pseudowires . . . . . . . . . . . . . . . . 607
Configuring a Revert Time for the Redundant Pseudowire . . . . . . . . . . . . . . 607
Configuring the Pseudowire Status TLV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
Example: Configuring the Pseudowire Status TLV . . . . . . . . . . . . . . . . . . . . . . . . 609
Automatic Bandwidth Allocation for LSPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611
Configuring Automatic Bandwidth Allocation for LSPs . . . . . . . . . . . . . . . . . . . . . 611
Configuring Automatic Bandwidth Allocation on LSPs . . . . . . . . . . . . . . . . . 612
Configuring the Automatic Bandwidth Allocation Interval . . . . . . . . . . . 613
Configuring the Maximum and Minimum Bounds of the LSP’s
Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614
Configuring the Automatic Bandwidth Adjustment Threshold . . . . . . . 614
Configuring a Limit on Bandwidth Overflow and Underflow
Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615
Configuring Passive Bandwidth Utilization Monitoring . . . . . . . . . . . . . . 617
Requesting Automatic Bandwidth Allocation Adjustment . . . . . . . . . . . . . . 617
Configuring Reporting of Automatic Bandwidth Allocation Statistics for
LSPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619
Understanding Pseudowire Redundancy Mobile Backhaul Scenarios . . . . . . . . 623
Sample Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623
Benefits of Pseudowire Redundancy Mobile Backhaul . . . . . . . . . . . . . . . . . 624
Layer 2 Virtual Circuit Status TLV Extension . . . . . . . . . . . . . . . . . . . . . . . . . 624
How It Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625
Example: Configuring Pseudowire Redundancy in a Mobile Backhaul
Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627
Chapter 21 Configuring Virtual Router Redundancy Protocol (VRRP) . . . . . . . . . . . . . 651
Understanding VRRP on ACX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 651
Configuring Basic VRRP Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 653
Configuring the Advertisement Interval for the VRRP Master Router . . . . . . . . . 655
Modifying the Advertisement Interval in Seconds . . . . . . . . . . . . . . . . . . . . . 655
Modifying the Advertisement Interval in Milliseconds . . . . . . . . . . . . . . . . . 655
Configuring a Backup Router to Preempt the Master Router . . . . . . . . . . . . . . . . 656
Modifying the Preemption Hold-Time Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . 657
Configuring Asymmetric Hold Time for VRRP Routers . . . . . . . . . . . . . . . . . . . . . 657
Configuring an Interface to Accept Packets Destined for the Virtual IP
Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 658
Configuring a Logical Interface to Be Tracked . . . . . . . . . . . . . . . . . . . . . . . . . . . 659
Configuring a Route to Be Tracked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 661
Copyright © 2017, Juniper Networks, Inc.xvi
ACX Series Universal Access Router Configuration Guide

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