Monitoring Juniper Steel-Belted Radius (SBR)

    Introduction

    Proactive monitoring of an important service like AAA is a mandatory task for any ISP. it allow you get insight reports on what’s going on in your network. You can get valuable information on subscriber behavior, Subscriber Management IP allocations beside it show you (with a little tweaking and scripts) number of online sessions.

    Connecting that with DPI monitoring will allow you to get nearly complete picture on Subscriber Management Network

    Topology

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    Steel-Belted Radius Configuration

1- Edit the Juniper SNMP file (called jnprsnmpd) and add the subnet that allowed to access and read data from SBR(OPManager)

    # vi /opt/JNPRsbr/radius/snmp/conf/jnprsnmpd.conf

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2- Configure Trap destination(OpManager IP address)

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    3- Restart the jnprsnmpd deamon

    #/etc/init.d/jnprsnmpd restart

    Add Device to OPManager

1- Load all Juniper Steel-Belted Radius Mibs into mibs folder inside ManageEngine installation in highlighted path

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2- Add the SBR Traps to OPManager under (Admin | SNMP Trap Processors)

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3- Note the name of Juniper SBR mibs called fnk*.mib (abbreviation for Funk which is the old name of Juniper SBR)

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4- Select All Traps that OpManager discover them and click on Add

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5- Now Add Juniper SBR device (Admin>Add Device)

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    -You can Add Credential to OpManager in order to configure SNMP community that will be used for polling server data using SNMP

6- Go to Device Template and choose to add a new one(I think it will be nice to create a device template for Juniper SBR, it deserve it!)

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7-Select to Add New Template from Admin

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    1. Choose Device Template Name, Vendor, Category and Monitoring Interval

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    1. Choose Add Monitors to be associated with the newly created template (Juniper SBR)

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8-Choose Add Bulk

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9-Define Rates OID, Interval in minutes and Measurement Units for the selected OID(request/second for example)

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    Notes

1-You can also select the OID threshold on which OPManager will fire alarm when exceeded

2-Use the below link for obtaining the correct OID for the server rates

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    http://www.oidview.com/mibs/1411/FNKRATE-MIB.html

10-Go to Server Page and change Vendor, Category and Type

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11-Click on Passwords and provide the credential for Steel-Belted Radius Machine (Root Password)

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12-From Server>10.131.71.171 Go to Performance Monitors and choose to Add Monitor

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13-Choose from monitors that you predefined before

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14-Go to Home then choose Add Widgets under Actions

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    15- Choose Real Time Graph for a Monitor

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16-Configure widget Name, Associated Device and choose the appropriate monitor to be displayed on your dashboard

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    Testing

1- Use a Stress tool to hammer the Steel-belted radius

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    That’s it! , The live graph draw the OID value

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    Monitoring Services

1- you can monitor the availability of specific network service inside server (by port), Go to Admin>Services

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2-Click on Add Service

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    3- Define service name and Port

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    -repeat for accounting service (1813)

4-Associate the service the appropriate server

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5-once associated, you can monitor it through a Graphs (Add Widget)

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