1. Lightning Talk: Networking Tools
William Chandler
Systems Engineer at Wake Tech Comm College
No questions (please), RTFM

2. Lightning Talk: Networking Tools
pinger
mrtg
smokeping
mtr
iftop
iptraf

3. pinger Custom web app written in php and javascript
Simple, easy to use
Icmp or tcp/udp check
Php script makes system() calls to `ping` and `nc`
Instance based
Xml config file
3 layers of nesting

7. pinger Config.xml <devices> <ping> <switch>
<cores>
<device>
<ip> </ip>
<name>main</name>
</device>
<ip> </ip>
<name>health</name>
<ip> </ip>
<name>western</name>
<ip> </ip>
<name>psec</name>

8. mrtg Old, mature tool written in perl Draws pretty little graphs
Collects values from snmp or custom command
Runs as daemon, polls (usually) every 5 mins
Creates daily, weekly, monthly, yearly graphs

11. smokeping Graphs latency from pings Runs as daemon for polling
Uses fastcgi for web frontend

14. Google's outage yesterday ???

15. Google's outage yesterday ???

16. mtr
Traceroute but fancier
Loops
Command line or GUI

19. iftop & iptraf Provides detailed information on traffic flow
Mirror an interface on a switch to sniff traffic
“Don't be evil.” (we're not the NSA)
Only used when something's out of the ordinary
No packet inspection, just metadata
No data retention (!)

22. Resources Pinger https://github.com/wcchandler/pinger Mrtg
Smokeping
Mtr
Iftop
Iptraf