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ASG-Sentry Agent™
Web-Based SNMP Agent
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ASG-Sentry Agent
ASG-Sentry Agents are the most cost-effective, easiest way to add powerful
SNMP functionality to your Win32®, UNIX®, and OS/2® systems, including support
of your system's application layer.
ASG-Sentry Agent furnishes application layer
monitoring and provides a framework for adapting SNMP to custom
applications. Fully functional evaluation copies of ASG-Sentry Agent can
be downloaded from this site.
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Application Layer Monitor
ASG-Sentry Agent is an SNMP agent that supports our System Application
Management MIB. This allows SNMP monitoring of processes, memory,
CPU, and disk resources. With ASG-Sentry Agent, you can extend SNMP to
applications and operations management, leveraging the
power of your existing SNMP management strategy to include
program and server performance.
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Web-Based System Portal
In addition to furnishing SNMP service functions, ASG-Sentry Agent is
also Web capable. You can configure and monitor SNMP groups (either
standard groups or groups you define) via your Web browser. This
greatly simplifies the setup of SNMP tables and other data items, and
provides a powerful auxiliary interface to your management data.
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Extensible Framework
ASG-Sentry Agent is an extensible framework for creating SNMP agent
processes and related Web pages. Using ASG-Sentry Agent, you monitor
the health and status of a platform using both SNMP and your Web
browser. ASG-Sentry Agent is an open system, built with fully
commented CGI scripts. It also incorporates an extensive C-language
call library for creating SNMP agent functionality or stand-alone
SNMP agents.
ASG-Sentry Agent provides a ready-to-run implementation of SNMP
that enables you to monitor your processes, disks, memory, and CPU via
third-party network managers or any Web browser. Additionally,
ASG-Sentry Agent furnishes an easily scaled framework that lets you
add new SNMP management functions as you need them.
Platform Administration Tools
As a starting point, ASG-Sentry Agent provides a set of Web-based tools
that allow you to inspect the process information, disk space, memory,
CPU, and file system of the managed platform via a Web browser.
These platform administration tools provide you with
in-depth visibility of your platform from any desktop, so you can
browse or examine the detailed performance characteristics of a
remote machine.
By themselves, these tools offer valuable assistance in the remote
administration of the managed server. For example, you can inspect
the loading characteristics of a machine over time, examine
configuration files and directories, or view processes and services
on the host platform to determine the current usage of the machine.
This is especially useful in a mixed operating system environment,
since ASG-Sentry Web screens are consistent between Windows and UNIX
platforms.
By using these platform administration tools, you can remotely
troubleshoot many problems without leaving your office.
SNMP Agent Functions
In addition to various Web-based platform administration tools,
ASG-Sentry Agent is a high-compliance SNMP agent that allows you to
monitor the various performance characteristics of your machine via
standard network managers. For example, working in conjunction with our
ASG-Sentry Network Manager (or
other third-party SNMP manager), you can set alarms on performance
thresholds, such as whether a process (or process group) is using too
much CPU or memory or whether key processes are no longer running on
your platform. Additionally, by using the Web interface, you can configure
traps to be issued to a network manager. Or, you can simply browse the
ASG-Sentry Agent MIB and gather pertinent information regarding the managed
platform's application layer.
Extensible Framework
ASG-Sentry Agent is an extensible framework which is scalable in
three different ways:
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Plug-in MIB Extensions
The easiest way to use ASG-Sentry Agent is to simply plug-in one of
our modules. We furnish a variety of ready-to-run plug-ins that
provide special functions such as MIB 2 functionality, application
MIBs, and site-specific MIBs. These plug-ins are easily installed
(requiring no programming experience), and can be used in conjunction
with other extensibility techniques mentioned herein.
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User Level MIB Extensions
With no modifications to the agent, you can use the extensible agent
to post SNMP values originating from an application program. This
provides a simple and straightforward method of making SNMP data
available to third-party network management platforms. For example,
you can easily script a means of recording the number of errors in
a log file, so that this value can be tied to a network manager alarm.
Or, you can write a script that runs a backup procedure and posts
a completion value when finished so that a network manager
can be aware of the success or failure of the backup process.
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C-Language MIB Extensions
C-language programmers can modify or extend ASG-Sentry Agent by developing
their own "plug-ins" to support Get, Get-Next, Set, and Trap
messages. ASG-Sentry Agent comes with a powerful SNMP ExAgent Development
Kit, API, and tutorial information that greatly simplifies
development of site-specific SNMP agents.
How to Acquire ASG-Sentry Agent
We recommend that you
download an evaluation copy
of the system and test it at your site. ASG-Sentry Agent is
simple to install, contains in-depth online help, and allows 30 days
of continuous test operation. Verify this powerful program's operation
before you buy. There is no commitment or risk.
ASG licenses ASG-Sentry Agent
to individuals and organizations with both node-specific and site-wide
licenses available. To receive a quotation on this unique technology,
contact us, stating your
requirements. We would be happy to answer any questions you may have.
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