osmc 2014: network discovery update | remo rickli
DESCRIPTION
What´s new in the world of NeDi? Quite a bit has happened around the software, but much more with the software itself. Many new features have been added to support stacked switches, geocoding has been improved and the rack view make the topologies shine like new. Furthermore, there are many new features to simplify the troubleshooting and monitoring of the network.TRANSCRIPT
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Nov-14 NeDi – find IT 2
• Was ist NeDi?
• Wie funktioniert’s?
• Was bringt’s?
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Nov-14 NeDi – find IT 3
HP MASE - Network Infrastructure HP ASE - ProCurve Mobility HP ASE - ProCurve Network Management NeDi “Erfunden” UBS Investment Bank ans Internet angeschlossen! Lebte 2 Jahre in Florida Dipl. Ing. (HTL/FH) Nachrichtentechnik
4/2014
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Nov-14 NeDi – find IT 4
• Netzwerk Management & Überwachung
• Konfigurationen sichern
• IT Inventarisieren
• Computer finden & verfolgen
• Sicherheits-audits & mehr
• VM Management
• Printer Management
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Nov-14 NeDi – find IT 5
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Nov-14 NeDi – find IT 6
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Nov-14 NeDi – find IT 7
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Discovery (Perl)
nedi.conf Backend
(SQL DB)
Frontend (PHP)
seedlist
sysobj.def
oui/iab.txt
msg.txt
maps.php
cmd/cmd-log.txt
RRDs
Nov-14 NeDi – find IT 8
moni
syslog
trap
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Nov-14 NeDi – find IT 9
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syslog.pl nedi.pl trap.pl moni.pl
source monitored?
N Y
Event level 10
Discard
Forward
Event level 50-250
in notify string?
Y N
Alert Setting None Event, Email
Event
Event, Email, SMS
up/down alert every 100th alert on repeat Reboot detected
Discovery notification
Events Table
SMS
Events
nedi.pl: notify letter is uppercase? level >= forward limit or <= discard limit? info matching forward or discard regexp? (forward wins over discard)
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Nov-14 NeDi – find IT 11
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Nov-14 NeDi – find IT 12
• Discovery läuft Regelmässig durch das ganze Netz • Es kann bestimmt werden, was wann ausgelesen wird • Policies bestimmen, was wichtig ist und was nicht • Aktionen können automatisch ausgelöst werden
• Monitoring überprüft nur, ob Ziele noch leben • Erlaubt zusätzlich granulare Schwellwerte
• Events (Discovery, Syslog, Traps und Monitoring) werden Zentral gesammelt und ausgewertet
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Nov-14 NeDi – find IT 13
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Nov-14 NeDi – find IT 14
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Nov-14 NeDi – find IT 15
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Nov-14 NeDi – find IT 16
• Berichte auswählen • Ggf. Filter setzen • Graph oder Map hinzufügen • Als Bookmark speichern
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Nov-14
SNMP Location String: Maledives;Meeru;My Bar;E;Wallrack
NeDi – find IT 17
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Nov-14 18 NeDi – find IT
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Nov-14 NeDi – find IT 19
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Nov-14 NeDi – find IT 20
• Openstreet Maps als Alternative? • Weiteren Mehrwert schaffen…
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Nov-14 NeDi – find IT 21
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Nov-14 NeDi – find IT 22
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Nov-14 NeDi – find IT 23
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Nov-14 24 NeDi – find IT
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Nov-14 25 NeDi – find IT
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Nov-14 NeDi – find IT 26
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Nov-14 NeDi – find IT 27
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Nov-14 NeDi – find IT 28
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21.11.2014 29 NeDi – find IT
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Nov-14 NeDi – find IT 30
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Nov-14 NeDi – find IT 31
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Nov-14 NeDi – find IT 32
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Nov-14 NeDi – find IT 33
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Nov-14 NeDi – find IT 34
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Nov-14 NeDi – find IT 35
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Nov-14 NeDi – find IT 36
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Nov-14 NeDi – find IT 37
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Nov-14 NeDi – find IT 38
1dev:~#ne -a charon Discovery (%VERSION%) /var/nedi/nedi.pl -a charon Started with 1 seeds at Mon Aug 25 17:13:55 2014 ------------------------------------------------------------------------------- Device Status Todo/Done-Time =============================================================================== 10.10.10.1 charon SvSmIcIm i8 j5 a0 0/1-1s =============================================================================== END :Took 0 minutes
n1dev:~#ne -a charon -x echo Discovery (%VERSION%) /var/nedi/nedi.pl -a charon -x echo Started with 1 seeds at Mon Aug 25 17:12:26 2014 ------------------------------------------------------------------------------- Device Status Todo/Done-Time =============================================================================== 10.10.10.1 charon SvSmIcIm i8 j5 a0 existing charon 10.10.10.1 2 public 1.3.6.1.4.1.2021.250.255 m0n0wall charon.nedi.ch 1.8.1 generic-pc FreeBSD 8.4-RELEASE-p7 i386 0 0/1-1s =============================================================================== END :Took 0 minutes
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