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Monitoring The Connecticut Education Network

Monitoring The Connecticut Education Network. Aliza Bailey 10/20/2010. The Connecticut Education Network. Scott Taylor Nick Burr Ray Carcano Aliza Bailey Wendy Rego. John Vittner (DOIT) Jack Babbit (Uconn). The Connecticut Education Network. Over 300 Devices Statewide K-12 Sites

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Monitoring The Connecticut Education Network

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  1. Monitoring The Connecticut Education Network Aliza Bailey 10/20/2010

  2. The Connecticut Education Network • Scott Taylor • Nick Burr • Ray Carcano • Aliza Bailey • Wendy Rego • John Vittner (DOIT) • Jack Babbit (Uconn)

  3. The Connecticut Education Network Over 300 Devices Statewide • K-12 Sites • Libraries • Higher Education • Colocations • Sponsored Participants • Filtering appliances, Servers, etc Multiple Carrier Mediums • Fiber Optics • DSL • Frame Relay/ATM • GigE

  4. The Connecticut Education Network • CEN provides 24X7 technical support to all our Higher Ed and paying members • Weekly rotating on-call schedules • Off hours monitoring by Indiana University’s GRNOC, who also monitor Internet2 • DOIT operations have a dedicated CEN device monitor (WhatsUp) • K12 and Libraries receive technical support during business hours

  5. The Connecticut Education Network • Device, Interface, and Link states • Ingress/Egress Traffic • CPU • Memory • Disk Space • Alerts to multiple recipients (pager, email, etc) • Visualization of activity Tandem monitoring solutions are required to fulfill all our needs as redundancy and reliability are our #1 concern

  6. Monitoring CEN The Open Road: Cacti

  7. Cacti • Free! • A front end tool for collecting and graphing data sources (SNMP) • Supports numerous plugins • Runs on Windows, Linux, or live DVD (CactiEZ) • Requires MySQL, PHP, and IIS or Apache

  8. Cacti & CEN • Two servers running Cacti • Dell 6850 Quad Xeon • 5x146G RAID • 30G RAM • 1Gb Ethernet connection • Monitor2 • Member site monitoring • GPS Map • Monitor • Core devices, Servers, UPS • Syslog • Nagios • Weathermap & other plugins

  9. Cacti & CEN • “SuperLinks” • Turned Monitor into our “portal” with tabs for other services • Weathermap • Color coded map with traffic density and direction • Nagios • Another open source monitoring suite we have combined with Cacti • Syslog • Houses our Syslog service

  10. Cacti & CEN • Cacti sends emails to our internal group email address with device state changes • Most effective during business hours • Nagios emails our internal group email as well as our on call Blackberry for defined events • Link state changes, thresholds, service issues • Our “backup” to WhatsUp for alerts • Daily Email and SMS test sent to the on call Blackberry

  11. Monitoring CEN Licensed to Watch: WhatsUp

  12. WhatsUp • Commercial network discovery and monitoring package • Real-time customizable alerts • Reports • Windows based • User friendly installation

  13. WhatsUp & CEN • Currently Dell 2950 • 2 Xeon • 3 x 146G RAID • 8G RAM • 1G Ethernet • Migrating to VMWare • Dell 6850 Quad Xeon • 5 x 73G RAID • 32G RAM • Will share resources with our Backup and File Server

  14. WhatsUp & CEN • Home Workspace gives a snapshot of the state of the network • Device or Map View • Map View links connected sites with a line • Monitors and Alerts on • Interface state changes • Ping (device availability) • Web filtering • DNS

  15. WhatsUp &CEN • WhatsUp allows for creation of actions and action policies for notification of network events • Emails both the group’s internal monitoring email address as well as the on call pager • DOIT’s Operations has a screen dedicated to our WhatsUp server for off hours monitoring

  16. Monitoring CEN Cacti vs. WhatsUp

  17. The Good News • Cacti • User roles & authentication • Depth of monitoring • Plugins • Linux or Windows • Open source • WhatsUp • Better “dashboard” • Map links • Easier initial setup • Product support

  18. The Bad News • Cacti • Requires advanced knowledge of Linux • Greater time investment upfront for templates • Community support by forums • WhatsUp • “Busy” interface at times • Map can get congested with devices • Windows only • License causes failover issues

  19. CEN’s Integration • Cacti and WhatsUp provide CEN with required redundancy of alerts • Services reside on separate servers with core connections through separate switches • WhatsUp is mostly focused on monitoring interface state changes • Cacti & Nagios focus more on services and system health, while providing a backup to WhatsUp • Double alerts can be received for one event

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