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.
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 Configuring PCEP on a PE Router.
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; otherwise, the tunnel-related information is not displayed on the Tunnels tab.
Tasks You Can Perform
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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.
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Provision a tunnel—Click Provisioning and select Tunnel to provision a tunnel. For more information, see Add a Tunnel.
Note:Only Path Computation Element Protocol (PCEP) provision method is supported.
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View historical data—Paragon Automation enables you can view the historical data. Historical data provides you valuable insights to past trends and patterns.
Note:For Paragon Automation to collect historical data, you need to do the following:
Enable traffic engineering while creating a device profile. For more information, see Add a Device Profile
.Enable dynamic topology so that you can view real-time changes in your network. For more information, see Dynamic Topology Workflow.
You can view the historical data for tunnel traffic. To view traffic and bandwidth for a tunnel in graphical form, select the tunnel and click Tunnel Traffic. In the Tunnel Traffic page that appears, select the period for which you want to view the data. You can view data for the previous 3 hours, the previous day, the previous week, or choose from a custom time range by specifying the start and end dates and the time.
You can choose to auto refresh the data or manually refresh the data.
Note:You can view the tunnel traffic if the device has Junos OS Release 22.X or later releases.
If you are using ACX Series device, then you can view tunnel traffic only if you have installed Junos OS Evolved Release 23.4R2-S2.1.
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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.
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From the More list, you can perform the following tasks:
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View details of a tunnel—To view the details of a tunnel, you can do one of the following:
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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.
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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.
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Reload—To view the latest changes in the network map, click Reload.
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To perform common actions such as filtering using advanced filter criteria and resetting preferences, see Network Table Overview.
Fields | Description |
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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. |
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. |
Comment |
Displays the comment that the user has added at the time of tunnel creation. |
Admin Group Exclude |
Displays the admin group that is excluded. The tunnel traverses links that do not include any of the admin groups listed here. |
Planned Metrics |
Displays the static tunnel metric. The PCE uses this metric to route the tunnel instead of allowing the router to choose a path |