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Broadband Subscriber Services User Guide
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Collecting Subscriber Access Logs Before Contacting Juniper Networks Technical Support

date_range 06-Dec-23

Problem

Description

When you experience a subscriber access problem in your network, we recommend that you collect certain logs before you contact Juniper Networks Technical Support. This topic shows you the most useful logs for a variety of network implementations. In addition to the relevant log information, you must also collect standard troubleshooting information and send it to Juniper Networks Technical Support in your request for assistance.

Solution

To collect standard troubleshooting information:

  • Redirect the command output to a file.

    content_copy zoom_out_map
    user@host> request support information | save rsi-1
    

To configure logging to assist Juniper Networks Technical Support:

  1. Review the following blocks of statements to determine which apply to your configuration.

    content_copy zoom_out_map
    [edit]
    set system syslog archive size 100m files 25
    set system auto-configuration traceoptions file filename
    set system auto-configuration traceoptions file filename size 100m files  25
    set protocols ppp-service traceoptions file filename size 100m files  25
    set protocols ppp-service traceoptions level all
    set protocols ppp-service traceoptions flag all
    set protocols ppp traceoptions file filename size 100m files 25
    set protocols ppp traceoptions level all
    set protocols ppp traceoptions flag all
    set protocols ppp monitor-session all
    set interfaces pp0 traceoptions flag all
    set demux traceoptions file filename size 100m files 25
    set demux traceoptions level all
    set demux traceoptions flag all
    set system processes dhcp-service traceoptions file filename
    set system processes dhcp-service traceoptions file size 100m
    set system processes dhcp-service traceoptions file files 25
    set system processes dhcp-service traceoptions flag all
    set class-of-service traceoptions file filename
    set class-of-service traceoptions file size 100m
    set class-of-service traceoptions flag all
    set class-of-service traceoptions file files 25
    set routing-options traceoptions file filename
    set routing-options traceoptions file size 100m
    set routing-options traceoptions flag all
    set routing-options traceoptions file files 25
    set interfaces traceoptions file filename
    set interfaces traceoptions file size 100m
    set interfaces traceoptions flag all
    set interfaces traceoptions file files 25
    set system processes general-authentication-service traceoptions file filename
    set system processes general-authentication-service traceoptions file size 100m
    set system processes general-authentication-service traceoptions flag all
    set system processes general-authentication-service traceoptions file files 25
  2. Copy the relevant statements into a text file and modify the log filenames as you want.

  3. Copy the statements from the text file and paste them into the CLI on your router to configure logging.

  4. Commit the logging configuration to begin collecting information.

Note:

The maximum file size for DHCP local server and DHCP relay log files is 1 GB. The maximum number of log files for DHCP local server and DHCP relay is 1000.

Best Practice:

Enable these logs only to collect information when troubleshooting specific problems. Enabling these logs during normal operations can result in reduced system performance.

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