An address has not been configured for the management VLAN from space belonging to the OOBM network assigned to that site.

From Infrastructure L3 Switch Security Technical Implementation Guide

Part of Management VLAN has invalid addresses

Associated with IA controls: ECSC-1

SV-19079r1_rule An address has not been configured for the management VLAN from space belonging to the OOBM network assigned to that site.

Vulnerability discussion

The OOBM access switch will connect to the management interface of the managed network elements. The management interface can be a true OOBM interface or a standard interface functioning as the management interface. In either case, the management interface of the managed network element will be directly connected to the OOBM network.An OOBM interface does not forward transit traffic; thereby, providing complete separation of production and management traffic. Since all management traffic is immediately forwarded into the management network, it is not exposed to possible tampering. The separation also ensures that congestion or failures in the managed network do not affect the management of the device.

Check content

Review the managed switch configuration and verify that an address has been configured for management VLAN from space belonging to the OOBM network that has been assigned to that site.

Fix text

Assign an IP address to the management VLAN from the address space belonging to the OOBM network.

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