Multi-Protocol Label Switching (MPLS) is becoming mainstream as enterprises and government agencies look for new ways to lower costs, extend scalability, improve reliability, and secure their networked data. In some cases, however, MPLS comes with a lack of visibility because the very thing that helps optimize packet routing may also obscure the details most network professionals require for troubleshooting and traffic engineering their networks. This paper outlines the best practices for collecting network and application performance information over MPLS-enabled Wide Area Networks (WANs) by using the nGenius Solution's Site Monitoring feature to monitor traffic flows destined for remote sites.
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