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SNMP by Tian YANG
Transcript of SNMP by Tian YANG
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: