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| SNMP's location in the TCP/IP protocol stack. SNMP is an applications-layer component of the TCP/IP suite of protocols |
Troubleshooting IP Communication Problems
Understanding this layered model makes it easier to troubleshoot communication problems. When there is a problem, you can simply trace it down, out one end, into, and up the other. LAN/WAN link and activity status indicators provide some visibility to the Network Interface layer. ICMP echo requests and responses (PINGs) provide some information regarding the proper functioning of the IP layer. SNMP processing indicators can be used to verify the passage of the packet through the UDP layer and the functioning of the Application layer. Each step can be verified independently until all steps are working correctly for end-to-end communication.
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