Cisco Cisco Prime IP Express 8.2 Livre blanc

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In a network that does not include the Cisco IPAM component, a regional server is the central point of control for 
DNS and DHCP services. It provides: 
● 
Cluster connectivity with a single sign-on (SSO) for a central administrator to manage all local clusters 
● 
Configuration of common DHCP and DNS objects
1
 such as: 
◦ 
Administrators, groups, and tenants 
◦ 
DHCP policies, client classes, DNS zones, and failover pairs 
◦ 
Scope templates and prefix templates 
● 
DHCP and DNS server license management (for multiple sites across the company) from a single 
interface 
In either type of deployment - with or without IPAM - the regional server communicates with local clusters that are 
deployed in your network to deliver DNS and DHCP services. Figure 1 shows an overview of the basic Cisco Prime 
IP Express architecture for a full DDI implementation. 
Figure 1.    Cisco Prime IP Express Architecture with IPAM 
 
Here, you can see servers for DHCP, DNS, Caching DNS (CDNS), and IPAM. All of these servers - both in the 
regional server and local clusters - 
can be controlled centrally through a single interface, using either the solution’s 
intuitive web-based GUI or CLI. 
                                                 
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 Note: In a full Cisco Prime IP Express DDI solution, these functions are performed in the IPAM server.