The division by zero error suggests something went wrong or unexpected data was received from the switch. Regarding the issue you had with Cisco 2960X. As far as I understand, the official SNMP RFC only defines AES128, but it shouldn't be too hard to add AES192 and AES256 after all it's just a different key size. We'll definitely consider your suggestion. Your tool seems to almost provide us what we need. We do this manually now and need to automate the process. We need the database so we can integrate it with our cabling information (switch port to desk port mapping) to identify the last office location of a particular IP. We would like to have a historical view of all the MAC addresses (and associated IPs, switch ports, etc) seen in our network with the first time seen and the last time seen fields. We could then use the export to HTML feature to update a webpage on a server so users can do lookups.Īnd finally, is the MAC address database info that is shown in the GUI stored in a file and can it be updated (instead of flushed) after each run? Hopefully we can get the same database updates from the command line version so we can schedule it to run at regular intervals. I see the GUI version has a MAC address database with the IP/switch/date/time, which is cool, but I don't know if it uses a real database to store the info and can be updated by the command line version (for example by having it run on a schedule to keep scanning the switches and update the database). In the command line version, I get some switch info and then: I am looking for a product like your Port Mapper, but I need one that supports AES 256 for SNMPv3.Īlso, when I tested with AES 128, it could retrieve switch info (name, uptime, location, contact, serial number), but failed to retrieve port info and MAC addresses.
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