About the Tunnels Tab

On the Tunnels tab of the network table (Observability > Network > Topology > Tunnels), you can view the information on label-switched paths (LSPs), also known as tunnels, in your network.

Paragon Automation uses Path Computation Element Protocol (PCEP) sessions to discover the tunnels that run in your network.

Note: For Paragon Automation to discover tunnels in your network:

A PCEP session must be established between Paragon Automation and the devices.

To establish a PCEP session, you must specify a VIP address either at the time of installing Paragon Automation or post-installation of the cluster. For more information, see Configure a PCE Server.

To establish PCEP on a PE router, see Configure a PCE Server.

To configure BGP-LS topology acquisition on Paragon Automation, See Configuring Topology Acquisition Using BGP-LS.
You must have adopted or onboarded the device using Paragon Automation and the interface that is used to establish the PCEP must be the same as the interface (outbound SSH) that is used for onboarding; otherwise, the tunnel-related information is not displayed on the Tunnels tab.

CAUTION:

In Release 2.1.0, Paragon Automation does not support LSP provisioning. Do not attempt to delegate an LSP using CLI.

Tasks You Can Perform

Hide unrelated nodes of a tunnel—To hide unrelated nodes of a tunnel, select one or more tunnels and enable the Hide unrelated toggle button. The topology map limits the display to only the nodes that are related to the selected tunnel.
Download—To download tunnels-related data to your local system, click Download. The data is downloaded to your local system as a comma-separated values (CSV) file.
From the More list, you can perform the following tasks:
- View details of a tunnel—To view the details of a tunnel, you can do one of the following:
  - Select a tunnel on the table and click More > Show Details. The Tunnel - Tunnel-Name page appears. You can view the To and From traffic-related information.
  - Hover over a tunnel row in the table and click the Details icon. The Tunnel - Tunnel-Name page appears. You can view the To and From traffic-related information.
- Reload—To view the latest changes in the network map, click Reload.
To perform common actions such as filtering using advanced filter criteria and resetting preferences, see Network Table Overview.

Table 1: Fields on the Tunnel Table
Fields	Description
Name	Displays the name of the tunnel.
Device A	Displays the device at which traffic enters.
Device Z	Displays the device at which traffic exits.
IP A	Displays the IPv4 address of the interface from which device A sends traffic. Paragon Automation displays the IPv4 address of IP A based on device A's active configuration. If the IPv4 addresses of IP A and IP Z are in the same subnet, Paragon Automation forms an interface between devices A and Z.
IP Z	Displays the IPv4 address of device Z interface that receives traffic. Paragon Automation displays the IPv4 address of IP Z based on device Z's active configuration. If the IPv4 addresses of IP A and IP Z are in the same subnet, Paragon Automation forms an interface between devices A and Z.
Vendor	Displays the vendor name of the device.
Bandwidth	Displays the traffic rate associated with the LSPs, fast reroutes, or multiclass LSPs.
Color	Displays the color associated with the static policy. It is a property of a segment routing policy that determines the set of traffic flows that are steered by the policy.
Admin Group Include All	Displays a list of all admin groups that are created for LSPs. Admin groups are created to implement a variety of policy-based LSP setups.
Admin Group Include Any	Displays a list of the admin groups that are created for LSPs. Admin groups are created to implement a variety of policy-based LSP setups.
Metric	Displays the metric value of an LSP. The LSP metric is used to indicate the ease or difficulty of sending traffic over a particular LSP. Lower LSP metric values (lower cost) increase the likelihood of an LSP being used. Conversely, high LSP metric values (higher cost) decrease the likelihood of an LSP being used.
Path Type	Displays the type of LSP path—primary, secondary, or standby.
Path Name	Displays the user-defined name of the LSP path.
Type	Displays the type of the LSP—RSVP or SR.
Op Status	Displays the operational status of the LSP—Failed, pending, unknown, live.
Setup	Displays the setup priority of the LSP. The setup priority ranges from 0 (highest) through 7 (lowest).
Hold	Displays the RSVP hold priority for the tunnel traffic. The hold priority ranges from 0 (highest) through 7 (lowest).
Record Route	Displays whether an LSP should actively record the path by sending the record route object (RRO). The RRO is used to record the path that the LSP traverses. It includes the IP address and router/node ID of each RSVP node in the path.
Last Update	Displays the last updated time of the LSP.
Controller Status	Displays the controller status—No path found, Reschedule in `X` minutes.
BSID	Displays the binding SID (BSID) label. This binding SID label is used to map labeled traffic to the BGP SR-TE LSP.
RRO Hop Count	Displays the hop count of the record route object (RRO). The RRO keeps track of the actual path the LSP is traversing.
Auto Bandwidth	Displays the automatic bandwidth information of the LSP. Auto bandwidth option allows a tunnel to automatically adjust its bandwidth allocation based on the volume of traffic flowing through the tunnel.
Comment	Displays the comment that the user has added at the time of tunnel creation.
P2MP Name	Displays the name of the point-to-multipoint LSP path that identifies the sequence of nodes that form the point-to-multipoint LSP.
TE++ID	Displays the container ID of TE++. Juniper Networks TE++ technology tackles the problem of network resource utilization and gives network operators a new tool for maximizing bandwidth. TE++ automatically sets up, distributes, and balances traffic from a given source across multiple equal-bandwidth LSPs in response to traffic changes and other network events.