Cisco UCS 5100 Manual

Set up Syslog for Cisco UCS

Document ID: 110265

Contents

Introduction

Prerequisites

Requirements

Components Used

Conventions

Configure

Network Diagram

Steps to Configure Syslog to a Local File

Steps to Configure Syslog to a Remote Syslog Server

Verify

Troubleshoot

Related Information

Introduction

Cisco Unified Computing System (UCS) provides several diagnostic tools to aid in troubleshooting and

monitoring the environment. These tools include: command line debug statements, syslog, and SNMP (Call

home is another diagnostic/reporting tool). Syslog is the mechanism for processes and scripts to write log

entries. The callers can fully specify all of the log entries' characteristics.

A syslog daemon in the system captures logs and saves them in a rotating buffer. These logs can be viewed

internally or exported to syslog collectors. Multiple syslog collectors can be specified through configuration.

Prerequisites

Requirements

Cisco recommends that you:

Have a working knowledge of Cisco UCS Server Blade software and hardware.• Be familiar with the UCS Manager application.• Understand the impact and implications of the different commands described in this document.• Be familiar with the UCS components and topology. Refer to the diagram below for a typical

solution.

•

Components Used

The information in this document is based on Cisco UCS System.

Conventions

Refer to the Cisco Technical Tips Conventions for more information on document conventions.

Configure

The Cisco UCS Manager starts the syslog daemon and makes certain that it is active in both UCS fabric

interconnects. Logs generated by the processes in the NXOS and UCS Manager are exported to the same

configured external collectors.

All UCS Manager events are stored in the same fabric they were generated. As expected the passive fabric

interconnect will generate less log entires than the active, but some events are still expected. In order to ease

the parsing of the logs, all entries by the UCS Manager include the UCS hostname while the NXOS entries

include the fabric hostname.

These are a few examples of situations that will generate a syslog entry:

DME lifecycle events• Faults• Ad−hoc messages• Events relayed by the BMC and CMC processes•

Network Diagram

This is a typical topology used with Cisco UCS:

Steps to Configure Syslog to a Local File

This is the procedure:

Log in to Cisco UCS Manager.1. In the navigation pane, choose the Admin tab.2. Expand Faults, Events and Audit Log, then choose Syslog.3. In the work pane to the right, under File, choose enabled for the Admin State.4. Choose the alarm level from the drop down menu.5. Click Save Changes.6.

Steps to Configure Syslog to a Remote Syslog Server

For this configuration procedure, it is assumed that a syslog server was configured and is operating in the

network.

Log in to Cisco UCS Manager.1. In the navigation pane, select the Admin tab.2. Expand Faults, Events and Audit Log, then choose the Syslog option.3. In the work pane to the right, enable Remote Server #, enter IP address of syslog server, select

appropriate Levels and Facility.

Click Save Changes.5.

Verify

You should begin to see events logged on to your syslog server and local files on Cisco UCS.

Troubleshoot

There is currently no specific troubleshooting information available for this configuration.

Related Information

Technical Support & Documentation − Cisco Systems•

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Cisco Systems, Inc.

Updated: Apr 27, 2010 Document ID: 110265

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