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Another popular monitoring tools is MRTG, there are a few different distributions that run on various OS's available and it can be configured to monitor anything with an SNMP OID.<br />
<br />
<a href="http://oss.oetiker.ch/mrtg/" rel="ugc">http://oss.oetiker.ch/mrtg/</a><br />
<br />
That being sad, Nagios is a much fuller featured application.
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Another popular monitoring tools is MRTG, there are a few different distributions that run on various OS's available and it can be configured to monitor anything with an SNMP OID.

http://oss.oetiker.ch/mrtg/ [http://oss.oetiker.ch/mrtg/]

That being sad, Nagios is a much fuller featured application.

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Thanks guys. &nbsp;I already have nagios running in our environment but didnt realize I can monitor CRC level stats on the cisco router. &nbsp;I guess I can use the mibs files from cisco and implement it on nagios.<br />
<br />

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Thanks guys.  I already have nagios running in our environment but didnt realize I can monitor CRC level stats on the cisco router.  I guess I can use the mibs files from cisco and implement it on nagios.



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<div class="content wysiwyg-content">
Hello Experts,<br />
<br />
I have couple of point to point serial links (IPLC) from US to India on which we are forwarding calls. &nbsp;Sometimes the call quality deteriorate due to CRCs on one of the lines and when that happens I shut down the one of the link that are getting the CRCs. &nbsp;Is there an open source monitoring tool available that can detect CRCs on a line so I can get a page and shut the line pro-actively instead of getting calls from users and complaining.<br />
<br />
Thanks,<br />
TheStig<br />

</div>
</div>


Hello Experts,

I have couple of point to point serial links (IPLC) from US to India on which we are forwarding calls.  Sometimes the call quality deteriorate due to CRCs on one of the lines and when that happens I shut down the one of the link that are getting the CRCs.  Is there an open source monitoring tool available that can detect CRCs on a line so I can get a page and shut the line pro-actively instead of getting calls from users and complaining.

Thanks,
TheStig


Open Source Monitoring Tool for Cisco

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Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).

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IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN). Using the Internet, calls travel as packets of data on shared lines, avoiding the tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user.