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play_arrow Overview
- play_arrow Working with Connectivity Services Director
- play_arrow Service View Tasks and Lifecycle Modes
- play_arrow Network Services Overview
play_arrow Getting Started With Connectivity Services Director
- play_arrow Understanding Connectivity Services Director System Administration and Preferences
play_arrow Working with the Dashboard
- play_arrow About the Dashboard
  - Understanding the Dashboard
- play_arrow Using the Dashboard
  - Using Dashboard Widgets
- play_arrow Dashboard Widget Reference
play_arrow Working in Build Mode
- play_arrow About Build Mode
  - Understanding Build Mode in Views Other than Service View of Connectivity Services Director
  - Understanding the Build Mode Tasks Pane in Views Other than Service View
- play_arrow Discovering Devices
- play_arrow Creating Custom Device Groups
  - Understanding Custom Device Groups
  - Creating Custom Device Groups
- play_arrow Configuring Quick Templates
  - Understanding Quick Templates
  - Configuring and Managing Quick Templates
- play_arrow Configuring Device Settings
- play_arrow Configuring Class of Service (CoS)
  - Understanding Class of Service (CoS) Profiles
  - Creating and Managing Wired CoS Profiles
- play_arrow Configuring Link Aggregation Groups (LAGs)
  - Understanding Link Aggregation
  - Managing and Creating a Link Aggregation Group
- play_arrow Managing Network Devices
play_arrow Building a Topology View of the Network
- play_arrow Downloading and Installing CSD-Topology
- play_arrow Configuring Topology Acquisition and Connectivity Between the CSD-Topology and Path Computation Clients
- play_arrow Accessing the Topology View of CSD-Topology
play_arrow Prestaging
- play_arrow Prestaging Devices Overview
- play_arrow Prestaging: Managing Devices and Device Roles
- play_arrow Prestaging: Managing IP Addresses
- play_arrow Device Configuration Prerequisites to Prestaging Examples
- play_arrow Prestaging Services
play_arrow Service Design: Working with Service Definitions
- play_arrow Service Design: Predefined Service Definitions
- play_arrow Service Design: Managing E-Line Service Definitions
- play_arrow Service Design: Managing E-LAN Service Definitions
- play_arrow Service Design: Managing IP Service Definitions
play_arrow Service Provisioning: Working with Customers
- play_arrow Service Provisioning: Managing Customers
play_arrow Working in Deploy Mode
- play_arrow About Deploy Mode
  - Understanding Deploy Mode in Views Other than Service View of Connectivity Services Director
  - Understanding the Deploy Mode Tasks Pane in Views Other than Service View
- play_arrow Deploying and Managing Device Configurations
- play_arrow Deploying and Managing Software Images
play_arrow Service Provisioning: Working with Service Orders
- play_arrow Service Provisioning: Viewing the Configured Services and Service Orders
- play_arrow Service Provisioning: Managing E-Line Service Orders
- play_arrow Service Provisioning: Managing E-LAN Service Orders
- play_arrow Service Provisioning: Managing IP Service Orders
- play_arrow Service Provisioning: Performing RFC 2544 Benchmark Testing
play_arrow Service Provisioning: Working with Services Deployment
- play_arrow Service Provisioning: Managing Deployed Services
play_arrow Auditing Services and Viewing Audit Results
- play_arrow Service Provisioning: Auditing Services
- play_arrow Troubleshooting Devices and Services
play_arrow Working in Monitor Mode
- play_arrow About Monitor Mode
  - Understanding Monitor Mode in Views Other than Service View of Connectivity Services Director
  - Understanding the Monitor Mode Tasks Pane in Views Other than Service View
- play_arrow Monitoring Traffic
- play_arrow Monitoring Devices
  - Comparing Device Statistics
  - Showing ARP Table Information
- play_arrow General Monitoring
- play_arrow Monitor Reference
- play_arrow Detecting and Examining the Health and Performance of Services
play_arrow Working in Fault Mode
- play_arrow About Fault Mode
  - About Fault Mode in All Views of Connectivity Services Director
  - Understanding the Tasks Pane in Fault Mode
- play_arrow Using Fault Mode
- play_arrow Fault Reference
play_arrow End-to-End Configuration Examples
- play_arrow Configuration Scenarios
play_arrow Working with Chassis View
- play_arrow Working with Devices
- play_arrow Managing CLI Configlets
play_arrow Managing Optical Interfaces, OTUs, ODUs, ILAs, and IPLCs on MX Series and PTX Series Routers
- play_arrow Overview of Optical Interfaces, OTUs, and ODUs
- play_arrow Overview of Optical ILAs and IPLCs
- play_arrow Configuring and Monitoring Optical Interfaces, OTUs, and ODUs
- play_arrow Configuring and Monitoring Optical Inline Amplifiers
- play_arrow Configuring and Monitoring Optical Integrated Photonic Line Cards
play_arrow Working with User Roles
- play_arrow Managing User Roles
  - Creating a User-Defined Role
  - Managing Roles
play_arrow Working with Tunnel Services
- play_arrow Tunnel Services Overview
- play_arrow Service Design and Provisioning: Managing and Deploying Tunnel Services
- play_arrow Monitoring and Troubleshooting Tunnel Services
play_arrow Appendix: Managing Network Activate Features Using the Older Version of Services Activation Director
- play_arrow Service Design: Working with E-Line, IP, and E-LAN Service Templates
- play_arrow Service Provisioning: Working with Threshold Alarm Profiles

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Configuring PCEP on a PE Router (from CLI)

date_range 17-Oct-23

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A Path Computation Client (PCC) supports the configurations related to the Path Computation Element (PCE) and communicates with the CSD-Topology, which by default is configured to accept a Path Computation Element Protocol (PCEP) connection from any source address. However, you must configure PCEP on each PE router to configure the router as a PCC and establish a connection between the PCC and the CSD-Topology. A PCC initiates path computation requests, which are then executed by the CSD-Topology.

The following requirements apply for each PCC in the network that the CSD-Topology can access:

The corresponding JSDN package (with PCEP support) is installed on the router.

Note:

You must boot the PCC router with the Junos OS 14.2X1.1 image, and then boot the router a second time with the JSDN image. After the router boots up a second time, the router (functioning as a PCC) is able to support the configurations related to the PCE and communicate with the CSD-Topology.

Note:

For a PCEP connection, the PCC can connect to the CSD-Topology using an in-band or out-of-band management network, provided that IP connectivity is established between the Path Computation Server (PCS) and the specified PCEP local address. In some cases, an additional static route might be required from the CSD-Topology to reach the PCC, if the IP address is unreachable from the CSD-Topology default gateway.

To configure a PE router as a PCC:

Enable external control of LSPs from the PCC router to the CSD-Topology.
```
[edit protocols]
user@PE1# set mpls lsp-external-controller pccd
```
Specify the loopback address of the PCC router as the local address, for example:
```
[edit protocols]
user@PE1# set pcep pce csdtopology local-address 10.0.0.101
```
Note:
As a best practice, the router ID is usually the loopback address, but is not necessarily configured this way.
Specify the CSD-Topology (csdtopology) as the PCE that the PCC connects to, and specify the CSD-Topology host external IP address as the destination address.
```
[edit protocols]
user@PE1# set pcep pce csdtopology destination-ipv4-address 10.99.99.1
```
Configure the destination port for the PCC router that connects to the CSD-Topology (PCE server) using the TCP-based PCEP.
```
[edit protocols]
user@PE1# set pcep pce csdtopology destination-port 4189
```

Configure the PCE type.

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[edit protocols]
user@PE1# set pcep pce csdtopology pce-type active
user@PE1# set pcep pce csdtopology pce-type stateful

Enable LSP provisioning.

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[edit protocols]
user@PE1# set pcep pce csdtopology lsp-provisioning

To verify that PCEP has been configured on the router, open a telnet session to access the router, and run the following commands:

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user@PE1> show configuration protocols mpls

Sample output:

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lsp-external-controller pccd;

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user@PE1> show configuration protocols pcep

Sample output:

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pce csdtopology {
    local-address 10.0.0.101; 
    destination-ipv4-address 10.99.99.1;
    destination-port 4189;
    pce-type active-stateful;
    lsp-provisioning;
}

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Connectivity Services Director User Guide

Configuring PCEP on a PE Router (from CLI)

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