Monitoring with Smokeping

Presented at TEIN HRD Workshop held at Dhaka, Bangladesh on Nov 23-27, 2013

1. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Md. Abdul Awal
BdREN
[email protected]
●Basic ●Installation ●Configuration
Monitoring with Smokeping

2. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Before we go!
Thanks for keeping your cell in silent mode 
Technical Sessions
Smokeping
Weathermap
Administrative:
Workshop resources: ftp://10.10.10.188/
Tea Break (10:30 –11:00) and (15:30 –16:00)
Lunch Break (12:30 –14:00)
Certificate Awarding (16:00 –17:30)
Dinner (at the Evening)
Lab Facilitators
Md. ArifulIslam <[email protected]>
Md. Abdul Awal <[email protected]>
Please interrupt anytime with your questions
Please fill the evaluation form after the session
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3. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Agenda
Introduction
ICMP and Ping
SmokepingBasics
Graph Details
Discussion
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4. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Terminology
Ping
Internet Control Message Protocol (ICMP)
Round-Trip Time (RTT)
Packet Loss
Jitter
Median
Standard Deviation (SD)
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5. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Ping
Widely used to test destination availability
Measures RTT between source and destination
Shows packet loss and jitter
Source sends echo request (ping) and receives echo
reply (pong) from Destination
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6. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
ICMP Packet
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* Diagram from www.wikipedia.org

7. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Ping Packet
Echo Request
Echo Reply
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* Diagram from www.wikipedia.org
* Diagram from www.wikipedia.org

8. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
How Ping Works
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* Diagram from www.wikipedia.org
PingNo. Source Destination RTT
1 a.b.c.d 103.28.120.17 123 ms
a.b.c.d
www.bdren.net.bd
103.28.120.17
Source/Destination
Echo Request
Echo Reply
2 a.b.c.d 103.28.120.17 105 ms
3 a.b.c.d 103.28.120.17 117 ms
4 a.b.c.d 103.28.120.17 107 ms
Ping www.bdren.net.bd

9. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
How Ping Works
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10. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Monitoring With Ping
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11. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Introduction to Smokeping
Best of breed latency visualization
Interactive graph explorer
Wide range of latency measurement plugins
Master/Slave System for distributed measurement
Highly configurable alerting system
Live Latency Charts with the most 'interesting' graphs
Free and OpenSourceSoftware written in Perl written
by Tobi Oetiker, the creator of MRTG and RRDtool
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12. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
SmokepingFeatures
Latency measurement tool
Visual representation of ICMP delay
Lots of information in a picture
Easy to install and configure
Written in Perl
Based on RRDTool
Generate alarms
Integration with ticketing system
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13. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
How SmokepingWorks
Sends several test packets (pings) in each round of
measurement
Makes note of RTT of each ping packet
Sorts different RTTs and selects the median
The median value is drawn in the graph
Other values of RTTs are drawn as lighter shades of gray
(smoke)
The color of the median line changes according to the
number of packets lost
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14. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Graph Interpretation
All this information together gives an indication of network
health
Colored horizontal line represents median RTT and the
packet loss (if any)
The smokes represents jitter, the more scattered smokes, the
more fluctuation in the RTT
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15. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
An Example
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16. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
MultihostGraph
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* Diagram from Smokepingwebsite

17. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Advantages
Simple but powerful network monitoring
Monitor machines, services and link health
Easy to configure and customize, but very extensible
Shows historical graphs
Can use with Ticketing Systems to automate alerts
Very small disk and CPU footprint
Distributed instances for external views
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18. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Reference
SmokepingWebsite:
http://oss.oetiker.ch/smokeping/
Demo:
http://oss.oetiker.ch/smokeping-demo/?target=Customers.OP
Examples:
http://oss.oetiker.ch/smokeping/doc/smokeping_examples.en.html
Other Sites:
https://wiki.archlinux.org/index.php/smokeping
http://aacable.wordpress.com/tag/smokeping-configuration/
More:
From the workshop materials of NSRC (www.nsrc.org)
Google and Youtube
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19. 23-27 November 2013, Dhaka, BangladeshTEIN Workshop on Network Management and Monitoring
Discussion
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* Picture from www.onethousandandone.com.au