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Switch replace/upgrade not reporting properly in NPM

I recently replaced a Cisco 3550 with a 3560. I have basically the same config, IP address, hostname, etc....

NCM will report the interface status, traffic and other port info, but NPM does not show this data. I have the SNMP V2 read string correct. We do not use the read/write string.

When I add new 3560s to the NPM the graphs and charts report correctly, but not when I replace a switch with like ports and config.

Should I delete a switch and add it back when I upgrade a model with a newer like model? Or is there something else I should do? I don't want to lose the historical data, understanding the port speed went from 100meg to 1Gig does that make the difference?

Thanks,

Robin

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Accepted answers

cjfranca

If you remove a devices, when you add another you lost the old data. You can make update of swich and selectt unmanage and not lost data.

I try repair NPM for to solution this problem.

Questions: How devices show this?

Can you explain better what you say "I have basically the same config, IP address, hostname," They have the same IP address and name?
If so, this may be the reason for the error.

All comments

cjfranca

If you remove a devices, when you add another you lost the old data. You can make update of swich and selectt unmanage and not lost data.

I try repair NPM for to solution this problem.

Questions: How devices show this?

Can you explain better what you say "I have basically the same config, IP address, hostname," They have the same IP address and name?
If so, this may be the reason for the error.

artemme

Yes I removed a 48 port switch and replaced it with a newer model 48 port switch. The old one is not online. The new one is online and working properly. The new switch has the same ip, hostname, port count, port configuration as the old one. I just swapped a 48-port switch for a newer 48-port switch.

cjfranca

Ah now I understand same IP address. ok.

artemme

So what is the best way to update Solar Winds NPM when you are doing a hardware replacement?