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The Discovery tab allows the user to gather IP topography data via the following methods, organized as sub-tabs:

RIR

RIR discovery establishes a baseline of public space.  From here, NetAudit will use the current user’s IP / provided IP, and then query the WHOIS system to find its ASN. From there, it queries again in order to discover allocations.

Router Configs

The Router Config page allows the user to either paste full router configs, upload a single config file, or provide an archive of files.  NetAudit parses these configs for configured networks.

Currently supported router configs include the following:

  • Cisco IOS

  • Cisco IOS-XR

  • Juniper

  • Arista

Direct from Router (WHERE/HOW?)

You may also provide credentials for a router, connect via SSH, and then pull the config + ARP table in order to acquire router configs.

Firewall

Connects to Firewall configs (Palo Alto, Fortinet). 

Load Balancer

Connects to Load Balancer configs (F5).

ARP

……

DNS

Connects to DNS servers to ………..?

DHCP

Connects to DHCP usage logs.  NetAudit uses this to determine whether allocated DHCP subnets can be shrunk.  Currently supports ISC DHCP, though Microsoft support is expected in a future release.

SSH ARP

…..

Next Steps

Once one or more of the available Discovery modules has been processed, all found space will be loaded into the Inventory tab for display and auditing.

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