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Adding SLA-Based Steering Profiles

You can use the Add SLA Profile page to add a new service-level agreement (SLA)-based steering profile, specify the traffic type profile, SLA configuration, SLA threshold, SLA parameters, path selection criteria, and rate limiting parameters for the profile. Table 184 lists the SLA-based steering profiles that are tuned for specific application categories and traffic types.

Table 184: Predefined SLA-Based Steering Profiles

SLA-Based Steering Profiles

Traffic Type

Application Group

Applications Supported

CSO-AV

VOICE-VIDEO

CSO_Collaboration_AV

Skype for Business

Zoom Video

GotoMeeting

Jive

Jabber

Citrix Online

WebEx

Zoho Meeting

Google Hangout

Adobe Connect

CSO-Productivity

PREMIUM-INTERNET

CSO_Productivity

ERP: Salesforce, Oracle, SAP

Office365 (including SharePoint)

Zendesk

HRPayroll

Zoho Office Suite

Slack

Square

Concur

Adobe

Quickbooks

Freshbooks

Workday

Project Management-MS PJ

Basecamp

Asana

CSO-Security

INTERNET

CSO_Security

Symantec

McAfee

Sophos

Zonealarm

Lookout

CSO-Email

PREMIUM-INTERNET

CSO_Collaboration_Email

MS Exchange

IMAP

POP3

Gmail

OWA

Yahoo

CSO-FileShare

INTERNET

CSO_File_Share

Box

Dropbox

Gsuite

OneDrive

Skype for Business-File Transfer

Zoho Share

Procedure

To add an SLA-based steering profile to the tenant:

  1. Select Configuration > SD-WAN > SLA-Based Steering Profiles.

    The SLA-Based Steering Profiles page appears.

  2. Click the add icon (+).

    The Add SLA Profile page appears.

  3. Enter the SLA profile information according to the guidelines provided in Table 185.

    Note Fields marked with an asterisk (*) are mandatory.

  4. Click OK to add the SLA profile.

    The SLA-Based Steering Profiles page appears with the new SLA profile information. You are returned to the SLA-Based Steering Profiles page and a confirmation message indicating that the SLA-based steering profile was added is displayed. The page refreshes to display the SLA-based steering profile that you added.

    Alternatively, if you want to discard your updates, click Cancel instead.

    Note After you add an SLA-based steering profile, you must add an SD-WAN policy intent that references the SLA-based steering profile in order to enable site-to-site traffic.

Table 185: Fields on the Add SLA Profile page

Field

Guidelines

General

Name

Enter a unique string that can contain alphanumeric characters and hyphens (-); the maximum length is 15 characters.

Traffic Type Profile

Choose a traffic type profile to apply the class-of-service configuration and priority to the SLA profile. You can select a traffic type profile only when it is in the Enabled state.

SLA Configuration

Choose one of the following options:

  • Use Recommended: To use the default SLA threshold and SLA parameters for the SLA-based steering profile.

  • Enter Custom: To specify customized values for SLA configuration and SLA parameters for the SLA-based steering profiles.

SLA Threshold

Choose one of the following options:

  • Liberal—To use a relaxed SLA threshold.

  • Baseline—To use the default SLA threshold.

  • Conservative—To use a strict SLA threshold.

SLA Parameters

Packet Loss

Enter the target packet loss (in %) for the SLA-based steering profile. Packet loss is the percentage of data packets dropped by the network to manage congestion.

RTT

Enter the target round-trip time (RTT) for the SLA-based steering profile.

Jitter

Enter the target jitter (in ms) for the SLA-based steering profile. Jitter is the difference between the maximum and minimum round-trip times of a packet of data.

Path Selection Criteria

Path Preference

Select the preferred WAN link type to associate with the SLA profile. The options are Any, MPLS, and Internet. Any is the default value.

Select the preferred path (MPLS, Internet, or Any) to be used for site-to-site traffic.

If a WAN link type that matches the preferred path is enabled for site-to-site traffic, then that WAN link type is used for site-to-site traffic.

If you specify that any path can be used, then there is no preference and all site-to-site-traffic-enabled links are used in a load-balancing mode.

Path Failover Criteria

Specify the failover criteria to determine how links are switched when the active links fail to meet the SLA criteria. In such cases, the traffic is routed to links that meet SLA criteria. Failover is supported only for MPLS or Internet links.

Note: Path failover is supported only for bandwidth-optimized SD-WAN networks.

Choose one of the following options:

  • Does not meet one or more SLA parameters—This triggers the path failover if any of the SLA parameters is violated.

  • Does not meet all SLA parameters—This triggers the path failover only when all the SLA parameters are violated.

Advanced Configuration-

Rate Limiting

Maximum Upstream Rate

Enter the maximum upstream rate (in Kbps) for all applications associated with the SLA profile.

Range: 64 through 10,485,760 Kbps

Maximum Upstream Burst Size

Enter the maximum upstream burst size (in bytes).

Range: 1 through 1,342,177,280 bytes

Maximum Downstream Rate

Enter the maximum downstream rate (in Kbps) for all applications associated with the SLA profile.

Range: 64 through 10,485,760 Kbps

Maximum Downstream Burst Size

Enter the maximum downstream burst size (in bytes).

Range: 1 through 1,342,177,280

Loss Priority

Select a loss priority based on which packets can be dropped or retained when network congestion occurs. The chances of a packet getting dropped is the highest when the loss priority is set to High. Other available values are Medium High, Medium Low, and Low.

Real Time Optimized Mode Setting

Note: The following fields are applicable only for sites configured with the real-time-optimized SD-WAN mode.

SLA Sampling

Session-sampling %

Enter the matching percentage of sessions for which you want to run the passive probes.

SLA-violation-count

Enter the number of SLA violations after which you want CSO to switch paths. The range is 1 through 32.

Sampling-period

Enter the sampling period, in seconds, for which the SLA violations are counted. The range is 2 through 60.

Switch-cool-off-period

Enter the waiting period, in seconds, only after which you want the link switch to happen if an active link comes back online. This parameter helps prevent frequent switching of traffic between active and backup links. The range is 5 through 300.

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