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Endpoint Agent Part 3: LAN, Wireless, Gateways and Proxies

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Learn to use Endpoint Agent to identify both isolated and systemic issues in every part of your LAN, from wireless connections to gateways and proxies.

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Endpoint Agent Part 3: LAN, Wireless, Gateways and Proxies

  1. 1. Endpoint Agent Part 3: 
 LAN, Wireless, Gateways and Proxies Young Xu, Product Marketing Analyst
  2. 2. 2 About ThousandEyes ThousandEyes delivers visibility into every network your organization relies on. Founded by network experts; strong investor backing Relied on for " critical operations by leading enterprises Recognized as " an innovative " new approach 31 Fortune 500 5 top 5 SaaS Companies 4 top 6 US Banks
  3. 3. 3 •  August 18th 2016 •  An overview of Endpoint Agent with key use cases, how it works and a view of the data collected Endpoint Agent Webinar Series •  October 11th 2016 •  Understand performance of local access networks, whether wired or wireless End User Experience LAN, Wireless, Gateways & Proxies •  September 15th 2016 •  Get visibility into SaaS performance from your employees globally Monitoring SaaS Apps from Anywhere Troubleshooting Remote Workers •  October 27th 2016 •  Solve issues for employees at home, on the road and connecting through VPNs
  4. 4. 4 Endpoint Agents: Last-Mile Visibility Hosting / SaaS Provider Internet 1 Enterprise WAN & LAN
 Internal Apps, VoIP, Wi-Fi and Access Networks 2 Cloud Migration
 SaaS, IaaS and Remote Workers Consumers Enterprise Agents Branch Data Center Endpoint Agents Endpoint Agents
  5. 5. 5 Endpoint Agent: How it works Lightweight client software Windows 7+, Mac OS X 10.9+ Negligible resource consumption Typically <1% CPU, <40MB mem, <50MB disk Easy deployment via standard tools msi & pkg installers w/ auto-registration End-user & background components Browser plugin (Chrome & IE) & system service Always up-to-date Updates automatically, runs in the background User Sessions - Web Completion, response time, page load waterfall User Sessions - Network Loss, latency, jitter, failures, path visualization Visibility across multiple layers Agent details Access Network Topology Wired, wireless, VPN & proxy network topology
  6. 6. 6 •  Infrastructure Mode: Wireless devices can communicate with each other and with a wired network •  Wireless Access Point (AP): Connects wireless devices to a wired network •  Basic Service Set (BSS): One AP and the set of wireless devices connected to it –  Identified by BSSID •  Extended Service Set (ESS): Two or more interconnected BSSs that form a single network –  Identified by SSID Wireless Network Building Blocks
  7. 7. 7 Wireless Network Architecture
  8. 8. 8 •  Routes traffic between internal devices and outside networks, joining two networks together –  NAT, DHCP, security, encryption Gateways
  9. 9. 9 •  Can have many functions: –  Monitoring and surveillance –  Firewall and traffic filtering –  Traffic encryption and decryption –  Network connection sharing –  Data caching –  Anonymity •  Typically deployed: –  At the edge of a LAN •  Services users within the LAN, including those using VPN to tunnel in –  In the cloud •  Wider visibility and coverage for all employees •  Popular vendors include: –  Blue Coat, Cisco, Zscaler, F5 Proxies
  10. 10. 10 Local Area Network (LAN)
  11. 11. 11 •  Uncover aggregate trends •  Data collected every 5 minutes –  Metrics collected from OS: •  Link speed •  Wireless signal quality –  Metrics collected from network probes: •  Gateway, proxy and VPN loss and latency •  Delay and forwarding loss •  Tip: Deploy an Enterprise Agent at the proxy location to monitor the path from proxy to destination Network Topology View
  12. 12. 12 •  Troubleshoot individual users’ issues •  Data collected every time user visits a monitored domain in a monitored network –  Web and network performance in addition to network topology Session Details View
  13. 13. 13 Demo
  14. 14. 14 Use the Timeline to Spot Potential Issues Spikes in both gateway loss and latency
  15. 15. 15 Locate Failure Points in the Network Topology Use ‘Group by’ option to spot trends and issues Issues at this access point
  16. 16. 16 Use Session Details for User Troubleshooting Corroborated by data in Session Details, also showing incomplete page loads High gateway loss and latency in Network Topology
  17. 17. 17 Monitoring Proxies and VPNs On-prem proxy and VPN Cloud-based proxy Gateway located multiple hops before cloud proxy
  18. 18. 18 See what you’re missing. Watch the webinar: https://www.thousandeyes.com/resources/endpoint-agents-lan-wireless-gateways-proxies-webinar

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