I have different Cisco switches (Catalyst, Nexus) configured and working mostly, but for some (random) interfaces SNMP Traffic sensor returns error "Could not identify port number". PRTG version 15.2.16.2229+ . Is there a way to fix this?
Error: Could not identify port number
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9 Replies
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Hi,
have you set the automatic port name update for these devices?
Best regards
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yes (but I have tried manual ("keep names..") also without success), currently:
Port Name Update:Automatic sensor name update if name changes in device Port Identification:Automatic (recommended) Start and end port = 0
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Hi,
do the said ports have unique identifiers such as ifAlias or ifName? If so, have you tried using one of them explicitly?
Best regards
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hi,
it turns out that, if device configuration contains in Description string "->" (minus and greater_than), then sometimes it breaks something inside PRTG (but in most cases not)
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to be precise, previous response was relevant to Catalyst only, for Nexus it (PRTG) seems to not like symbol "/" (slash) in Description of port configuration.
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Hi,
Thank you for investigating. Please allow me to forward your findings to our testing team to reproduce the issue. I will get back to you as soon as we know more here.
Best regards
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Hi,
Just an update for you. Our testing team has identified the issue which is a bug indeed. A development ticket has been opened and a fix should be available with an upcoming version.
As a workaround, please do not use ifDescriptions with said symbols.
Best regards
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In which Version should that bug fixed? We cannot change or touch on some Routers the description.
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Hi,
the bugfix is included in the next stable version. Release is scheduled for some time next week.
Best regards
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