Configure OKTA Single Sign-On (SSO) on SD-WAN

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Updated:March 31, 2023
Document ID:220326

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    Introduction

    This document describes how to integrate OKTA Single Sing-On (SSO) on a Software-Defined Wide Area Network (SD-WAN).

    Prerequisites

    Requirements

    Cisco recommends that you have knowledge of these topics:

    • SD-WAN general overview
    • Security Assertion Markup Language (SAML)
    • Identity Provider (IdP)
    • Certificates

    Components Used

    The information in this document is based on these software and hardware versions:

    • Cisco vManage Release 18.3.X or later
    • Cisco vManage Version 20.6.3
    • Cisco vBond Version 20.6.3
    • Cisco vSmart Version 20.6.3

    The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, ensure that you understand the potential impact of any command.

    Background

    Security Assertion Markup Language (SAML) is an open standard for exchange authentication and authorization data between parties, in particular, between an identity provider and a service provider. As its name implies, SAML is an XML-based markup language for security assertions (statements that service providers use to make access-control decisions).


    An Identity Provider (IdP) is a trusted provider that lets you use single sign-on (SSO) in order to access other websites. SSO reduces password fatigue and enhances usability. It decreases the potential attack surface and provides better security.

    Configure

    vManage Configuration

    1.  In Cisco vManage, navigate to Administration > Settings > Identify Provider Settings > Edit.

    Administration Settings Settings" />Configuration > Settings

    2. Click Enabled.

    3. Click to download the SAML metadata and save the content in a file. This is needed on the OKTA side.

    Download SMALDownload SAML

    tip-icon

    Tip: You need these information from METADATA to configure OKTA with Cisco vManage.

    a. Entity ID

    b. Sign certificate

    c. Encryption certificate

    d. Log out URL

    e. Log in UR

    note-icon

    Note: Certificates must be in x.509 format and save them with .CRT extension.

    x.509 CertificateX.509 Certificate

    OKTA Configuration

    1. Log in OKTA account.

    2. Navigate to Applications > Applications.

    Applications Apllications" />Applications > Apllications

    3. Click Create App Integration.

    Create AppCreate Application

    4.  Click SAML 2.0 and next.

    SMAl2.0Configure SAML2.0

    General Settings

    1. Enter a name of application.

    2. Add logo for application (optional).

    3. App visibility (optional).

    4. Click NEXT.

    General SettingsSAML General Settings

    Configure SAML

    This table describe the parameters must need configure on this section.

                  

    Component

    Value

    Configuration

    Single sign on URL

    https://XX.XX.XX.XX:XXXX/samlLoginResponse

    Get it from the metadata.

    Audience URI (SP Entity ID)

     XX.XX.XX.XX

    Ip address or DNS for Cisco  vManage

    Default RelayState

    EMPTY

    Name ID format 

    As per your preference

    Application username

    As per your preference

    Update application username on

     Create and update

    Create and update

    Response

     Signed

    Signed

    Assertion Signature

    Signed

    Signed

    Signature Algorithm

    RSA-SHA256

    RSA-SHA256

    Digest Algorithm

    SHA256

    SHA256

    Assertion Encryption

    Encrypted

    Encrypted

    Encryption Algorithm

    AES256-CBC

    AES256-CBC

    Key Transport Algorithm

    RSA-OAEP

    RSA-OAEP

    Encryption Certificate

    Encryption certificate from metadata, must be on format x.509.

    Enable Single Logout

    muct be checked.

    Single Logout URL

    https://XX.XX.XX.XX:XXXX/samlLogoutResponse

    Get from the metadata.

    SP Issuer

     XX.XX.XX.XX

    Ip address or DNS for vManage

    Signature Certificate

    Encryption certificate from the metadata, must be on format x.509.

    Assertion Inline Hook

    None(disable)

    None(disable)

    Authentication context class

    X.509 Certificate

    Honor Force Authentication

    Yes

    Yes

    SAML issuer ID string

    SAML issuer ID string

     Type an string text

    Attributes Statements (optional)

    Name ► Username

    Name format (optional) ► Unspecified
    Value ►user.login

    Name ► Username

    Name format (optional) ► Unspecified
    Value ►user.login

    Group Attribute Statements (optional)

    Name ► Groups

    Name format (optional) ► Unspecified

    Filter ► .*

    Name ► Groups

    Name format (optional) ►Unspecified

    Filter ► .*
    note-icon

    Note: Must use Username and Groups, exactly as shown in CONFIGURE SAML table.

    Configure SAML 1Configure SAML Part 1

    Configure SAML 2Configure SAML Part 2

    Configure SAML 3Configure SAML Part 3

    • Click Next.

    Feedback

    1. Select one of the option as your preference.

    2. Click Finish.

    OKTA FeedbackSMAL Feedback

    Configure Groups in OKTA

    1. Navigate to Directory > Groups.

    GroupsOKTA Groups

    2. Click Add group and creat new group.

    Add GroupAdd Group

    note-icon

    Note: Groups must match with the Cisco vManage groups and they need to be in lower case.

    Configure Users in OKTA

    1. Navigate to Directory > People.

    Users GroupsOKTA Users

    2. Click Add person, create a new user, assigne it to the group and save it.

    Add UserAdd User

    note-icon

    Note: Active Directory can be use instead of OKTA users.

    Assign Groups  and Users in Application

    .

    1. Navigate to  Applications > Applications > Select the new application.

    2. Click  Assign > Assign  to Groups.

    Assign Groups to Application Groups" />Application > Groups

    3. Identify the group and click Assign > Done.

    Group AssignedAssign Group and User

    4. Group and Users now must be assigned to application.

    Verify

    Once the configuration be completed, you can get access to Cisco vManage through OKTA.

    vManage LoginSSO Login Vmanage

    vManageVmanage GUI

    note-icon

    Note: To bypass SSO login can be use https://<vmanage>/login.html

    Troubleshoot

    In Cisco vManage to view the logs related with SSO, check the file: var/log/nms/vmanage-server.log

    Related Information

    Revision History

    Revision Publish Date Comments
    1.0
    03-Apr-2023
    Initial Release
    TAC Authored

    Contributed by Cisco Engineers

    • Rodolfo Rico Mora
      Cisco TAC Engineer

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