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The Cisco out-of-band management (OOBM) gateway router must be configured to have separate Interior Gateway Protocol (IGP) instances for the managed network and management network.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-96933 | CISC-RT-000420 | SV-106071r1_rule | Medium |
| Description |
|---|
| If the gateway router is not a dedicated device for the OOBM network, implementation of several safeguards for containment of management and production traffic boundaries must occur. Since the managed and management network are separate routing domains, configuration of separate IGP routing instances is critical on the router to segregate traffic from each network. |
| STIG | Date |
|---|---|
| Cisco IOS XE Router RTR Security Technical Implementation Guide | 2019-07-25 |
Details
| Check Text ( C-95769r1_chk ) |
|---|
| This requirement is not applicable for the DODIN Backbone. Verify that the OOBM interface is an adjacency in the IGP domain for the management network via separate VRF as shown in the example below: router ospf 1 vrf MGMT log-adjacency-changes network 0.0.0.0 255.255.255.255 area 0 ! router ospf 2 vrf PROD log-adjacency-changes network 0.0.0.0 255.255.255.255 area 0 If the router is not configured to have separate IGP instances for the managed network and management network, this is a finding. |
| Fix Text (F-102613r1_fix) |
|---|
| This requirement is not applicable for the DODIN Backbone. Configure the router to have a separate IGP instance for the management network as shown in the example below: R3(config)#router ospf 1 vrf MGMT R3(config-router)#network 0.0.0.0 0.0.0.0 area 0 R3(config-router)#exit R3(config)#router ospf 2 vrf PROD R3(config-router)#network 0.0.0.0 0.0.0.0 area 0 R3(config-router)#end |