How to make sense of Port IDs

Started by Nico

Nico

How to make sense of Port IDs 22 December 2020, 09:57

Hi there,

I recently scanned Cisco SG300-20 switches. As the part number suggests, they are only 20 port switches. The port IDs were not 1-20, but 100000 on the Uplink ports (looking at the LLDP info). The remainder of the ports were 49 to 68. It makes no sense to me, especially when trying to solve errors on certain ports.
Any assistance would be appreciated!

SoftPerfect support forum

Kind regards,
Nico

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r1993r

Re: How to make sense of Port IDs 08 January 2021, 01:36

Registered: 3 years ago
Posts: 37

PortID is the hardware index number assigned to the interface on the switch. They don't always correlate with the physical port number, but there's usually an offset of some sort.

I notice you don't have Port Name enabled, which would show the physical port number.

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