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SNMP by Tian YANG

introduction of SNMP
by

Tian YANG

on 18 December 2012

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Transcript of SNMP by Tian YANG

Performance Management Fault Management Configuration Management What is Network Management? What is SNMP? Simple Network Management Protocol (SNMP) - "protocol for managing devices on IP networks." Typically support SNMP : routers, switches, servers, workstations, printers, modem racks, etc. How the SNMP functions? manager agents Management Information Bases (MIBs) Symptoms No.1 Staff's PCs can't reach the server, the manager and internet Introduction
of
SNMP Issues
and
Solutions SNMP
Simple Network Management Protocol Group 1a Tian YANG & Adrien Hoffman principal SNMP protocol data units (PDUs) Get-Request Set-Request Get-Next-Request Response Trap Context -A company -simple topological graph -Network administrator supervise the network of company in using SNMP Actions and justifications -> Check connections ping between a PC and router(both sides) -> Check router (conf: show ip interface brief) Most often case Router down Solutions Symptoms No.2 Staff's PCs function normally, but the Manager can't receive traps from agents. So all of agents is considered as "down" by manager. Basic devices for ip network switch router ask the administrator!!! Most often case interface of switch down Actions and justifications -> Check connections ping between manager and router -> Check switch show interfaces status Solutions 1. Set the manager as
a agent 3. Put your best switch
at this place 2. Link the manager to switch2 Our object is that the manager could draw administrator's attention (mail, sms) when router is down:

We add a link between manager and internet No serviceS (Email, Internet, Private espaces...) Thanks for your attentions Questions? Conclusion 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Sources http://ram0000.developpez.com/tutoriels/reseau/SNMP/ http://www.frameip.com/snmp/ OUR REPORT OF PROJECT <SNMP> 20 22 21 before: after:
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