Cisco CCNA Packet Tracer Ultimate labs: SNMP CCNA Lab. Answers!

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Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior. Devices that typically support SNMP include cable modems, routers, switches, servers, workstations, printers, and more.

SNMP is widely used in network management for network monitoring. SNMP exposes management data in the form of variables on the managed systems organized in a management information base (MIB) which describe the system status and configuration. These variables can then be remotely queried (and, in some circumstances, manipulated) by managing applications.

Three significant versions of SNMP have been developed and deployed. SNMPv1 is the original version of the protocol. More recent versions, SNMPv2c and SNMPv3, feature improvements in performance, flexibility and security.

Transcription:

Okay so in this task, we need to enable SNMP on the routers. Here’s router 1, I’ll go into global configuration mode and use the command SNMP server community to enable SNMP.

We’ve been told to use public and private as the community strings. In the real world, you wouldn’t want to do that.
In the real world, you want to use something a lot more secure than public and private. But because this is a lab and we simply want to get used to using SNMP, I’ll configure SNMP with those 2 community strings.

So show run shows us those 2 SNMP community strings as configured on router 1.

On router 2, we’ll do something very similar. So on router 2 snmp-server community public read only snmp-server community private is going to be read write So we’ve got up two community strings configured on both routers. That’s essentially all we need to do on the routers. And now, on the PC, we should be able to use the MIB browser to interrogate the routers.

So on the PC on the desktop, MIB browser, I’ll put in the IP address of the first router. The IP addresses have been configured on these devices.

So show ip interface brief on router 1 shows us the IP address of router 1, so 10.1.1.1

I’m going to click on advanced, read community is going to be public, write community is going to be private. We’ve been told to use SNMP version 3 per these instructions. So I’m going to click ... https://www.youtube.com/watch?v=5h0fN0j2XS8