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With Lumen® SD-WAN, your organization can take advantage of seven standard traffic classes and customize how your enterprise and applications map into these traffic classes. In this use case we review the standard traffic classes (called QoS profiles) and recommend the default mapping into those classes. We also review how you can edit a QoS policy (and rule) to define application level matching within these standard classes.
Lumen sets up and deploys the following seven QoS profiles for your organization’s class of service.
Profile Name |
Recommended Use |
Forwarding Class |
Traffic Class |
ExpiditedForwarding-1 ExpiditedForwarding-2 |
Voice Video Conferencing |
FC4 FC5 |
Premium+ Premium |
AssuredForwarding-1 AssuredForwarding-2 |
Priority Apps Business Apps |
FC8 FC9 |
Enhanded+ Enhanced |
BestEffort-1 BestEffort-2 BestEffort-3 |
Low Priority Apps Internet Local Guest Internet |
FC12 FC13 FC14 |
Basic+ Basic Basic |
Note: Lumen recommends your organization does not create additional profiles or edit the forwarding classes or settings for the default profiles without a custom design review. To schedule a custom design review, contact your Lumen representative.
Lumen uses the application identification functionality to identify most of your organization’s traffic and assigns it to the appropriate traffic class. In addition, Lumen uses differentiated services code point (DSCP) values and zones to define traffic into the appropriate traffic class.
The table below shows samples of how your traffic is matched to the forwarding classes.
QoS Profile |
Rule |
Match Criteria Examples |
ExpiditedForwarding-1 |
Voice |
DSCP: EF (46) and/or SIP/RTP and/or Voice Zone |
ExpiditedForwarding-2 |
Video Conferencing |
DSCP: AF41 (34) |
AssuredForwarding-1 |
Priority Apps |
Application Filter: Thin Clients |
AssuredForwarding-2 |
Business Apps |
Office 365 Apps: Destination IP: 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16 |
BestEffort-1 |
Low Priority Apps |
Application Filter: App/OS Updaters: Destination IP address: xxxxxx/xxx |
BestEffort-2 |
Internet |
All Else |
BestEffort-3 |
Local Guest Internet |
Source Zone: Guest |
Note: Lumen names the rule either Voice or GuestInternet. Look for the appropriate name to monitor and view analytics for the rule.
You can take the following steps to edit a rule using the SD-WAN app QoS feature. Rules are executed in priority order with the highest (or first) rule at the top and the lowest (or last) rule at the bottom. You can move rules by selecting them and moving them up or down the list.
An app QoS policy (called the default-policy) was created by Lumen during the onboarding process. You can have only one QoS policy, but you can edit the rules for that policy by following the instructions below.
To configure app QoS policies and rules: