Cisco Catalyst SD-WAN Policy Groups Configuration Guide, Releases 26.x and Later

Monitor traffic flow

Updated: March 10, 2026

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Details monitoring techniques for traffic flows, enabling verification of application policy effectiveness and adherence to SLA objectives.

To enable traffic flow monitoring while configuring an application priority & SLA policy configure the following values:

This feature provides options to monitor traffic flow on incoming packets in the LAN for application and flow visibility over IPv4, IPv6, or both network addresses.

Note

The Cflowd configuration applies to the global level and not the site level.

The additional settings that you configure are applied to the Cisco SD-WAN Controllers while deploying the application priority and SLA policy. For more information about configuring Cflowd, refer to Configure Cflowd section in Cisco Catalyst SD-WAN Network Hierarchy Configuration Guide.

Before you begin

Minimum supported releases: Cisco IOS XE Catalyst SD-WAN Release 17.13.1a , Cisco Catalyst SD-WAN Manager Release 20.13.1.
Ensure that you have configured Cflowd collector details in the Cisco SD-WAN Manager menu from Configuration > Network Hierarchy > Collectors > Cflowd.

Procedure

From the Cisco SD-WAN Manager menu, choose Configuration > Policy Groups > Application Priority & SLA.

Create or edit an existing application priority and SLA policy.

Click Additional settings.

Table 1. Additional Settings
Field	Description
Application Visibility	Monitor all the applications running in all VPNs over IPv4, IPv6, or both networks in the LAN.
Flow Visibility	Monitor traffic flow over IPv4, IPv6, or both network addresses in the LAN.

Click Save.

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