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- Connect multiple NNMi Management Servers (NNMi Advanced)
- About Multi-Tenancy and Global Network Management
- Regional Manager Configuration
- Global Manager Configuration
- Troubleshoot Global Network Management
(NNMi Advanced - Global Network Management feature.) When configuring NNMi for multiple Tenants in a Global Network Management environment, note the following:
- All NNMi installations (NNMi Regional Managers and NNMi Global Managers) have a Tenant object named Default with the following UUID: 1b96011e-8829-4e5d-8ab7-f93b7b10ac79.
- If areas in your network are configured using address translation protocols, each address domain must be assigned to a unique Tenant.
If a Regional Manager's Node is replicated to the Global Manager, and that replicated Node is assigned to a Tenant UUID that is not yet defined on the NNMi Global Manager, NNMi creates an additional Tenant definition on the NNMi Global Manager.
Note Ideally, this would never happen, see Tenant Best Practices for Global Network Management.
If the NNMi Global Manager creates an additional Tenant object (based on a Regional Manager's replicated Node), NNMi uses the following attribute values for that new Tenant object:
- UUID: The NNMi Global Manager uses the Regional Manager Tenant's UUID attribute value for the new Global Manager's Tenant definition.
- Name: The NNMi Global Manager automatically uses the Regional Manager Tenant's Name for that new Global Manager's Tenant object. However, the NNMi administrator on the Global Manager can change that name, but the UUID maintains the relationship. See Troubleshooting Tenants in Global Network Management.
Initial Discovery Security Group: The NNMi Global Manager automatically creates a new Security Group with the same Name as that newly created Tenant, and uses that newly created Security Group for this attribute value.
Note The NNMi Global Manager creates this new Security Group whether or not a Security Group by that name already exists, and that duplicate will have a unique UUID. To avoid duplicates, see Tenant Best Practices for Global Network Management.
The NNMi Regional Manager Tenant's Initial Discovery Security Group attribute value is not preserved on the Global Manager because the Security configuration on the Global Manager represents the needs of a different network management team. By creating a new Security Group, no operators or guests on the NNMi Global Manager can see those replicated nodes unless an NNMi administrator intentionally creates an appropriate Security Group Mapping. See Configure Security for more information.
When additional Nodes from that Regional Manager are replicated to the NNMi Global Manager, for those Nodes, the NNMi Global Manager uses the same Tenant assigned by the Regional Manager (based on the UUID of the Tenant) and the Initial Discovery Security Group attribute value for that Tenant as defined on the Global Manager.
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