A dedicated management network must be implemented.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17772	NET0998	SV-18981r2_rule		Medium

Description
To deploy a management network for the purpose of controlling, monitoring, and restricting management traffic, a separate management subnet must be implemented. Define a large enough address block that will enable the management network to scale in proportion to the managed network.

STIG	Date
Network Infrastructure Policy Security Technical Implementation Guide	2016-07-11

Details

Check Text ( C-19035r2_chk )
Review the network topology diagram to determine if a management network has been implemented. Validate the IP address space documented for this network by verifying the IP addresses referenced for management access (SSH, NTP, AAA, SNMP manager, Syslog server, etc.) to the managed network elements. If a management network has not been implemented, this is a finding.

Fix Text (F-17671r2_fix)
Define a large enough address block that will enable the management network to scale in proportion to the managed network.