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This module works for Extreme (formerly Avaya) VSP switches running the VOSS operating system. When using multiple VRFs, the default Arpnip does not work. The way to query the ARP tables of different VRFs is to append "::X" to the end of the SNMP community string, where "X" is the VRF ID number. Since Netdisco doesn't support querying with multiple community strings at this time, this module uses SSH to query the ARP tables of all the VRFs by default or select VRFs using the "vrfs" key in "device_auth" (see documentation in the module for an example).
Netdisco is a web-based network management tool suitable for small to very large networks. IP and MAC address data is collected into a PostgreSQL database using SNMP, CLI, or device APIs. Some of the things you can do with Netdisco:
- Locate a machine on the network by MAC or IP and show the switch port it lives at
- Turn off a switch port, or change the VLAN or PoE status of a port
- Inventory your network hardware by model, vendor, software and operating system
- Pretty pictures of your network
See the demo at: https://netdisco2-demo.herokuapp.com/
Installation
Netdisco is written in Perl and is self-contained apart from the PostgreSQL database, so is very easy to install and runs well on any linux or unix system. We also have docker images if you prefer.
It includes a lightweight web server for the interface, a backend daemon to gather data from your network, and a command line interface for troubleshooting. There is a simple configuration file in YAML format.
Please check out the installation instructions on CPAN.
You can also speak to someone in the #netdisco@freenode IRC channel, or on the community email list.