System Requirements
System Requirements for Linux-based DNS and DHCP Servers
Table of Contents
Hardware requirements for Management UI Console - Main server
Hardware Requirements for Management UI Console - Main Server
Based on your network requirements in terms of zones or subnets, the hardware requirements to install DDI Central's Management UI Console vary to ensure optimal performance. Select a tab to view the recommended hardware configurations tailored to different scales of network size and complexity.The following hardware requirements are mandatory for the server running the Management UI Console:
Parameter | Essential/Professional |
Processor | 4 CPU Core |
RAM | 6 GB |
HDD | 500 GB |
Operating System | 64 bit |
Parameter | Essential/Professional |
| Processor | 8 CPU Core |
RAM | 16 GB |
HDD | 500 GB |
| Operating System | 64 bit |
| Parameter | Essential/Professional |
| Processor | 32 CPU Core |
| RAM | 64 GB |
| HDD | 1 TB |
| Operating System | 64 bit |
| Parameter | Essential/Professional |
| Processor | 16 CPU Core |
| RAM | 32 GB |
| HDD | 1 TB |
| Operating System | 64 bit |
Hardware Requirements for Discovery Node Agent
DDI Central's Discovery Node Agent is a small, lightweight agent that must be installed on all your existing ISC-DNS and ISC-DHCP clusters for continous visibility.
Based on your network requirements in terms of zones or subnets, the hardware requirements to install DDI Central's Discovery Node Agent vary to ensure optimal performance. Select a tab below to view the recommended hardware configurations tailored to different scales of network size and complexity.The following hardware requirements are mandatory for the server running the Discovery Node Agent:
| Parameter | Essential/Professional |
| Processor | 4 CPU Core |
| RAM | 6 GB |
| HDD | 500 GB |
| Operating System | 64 bit |
| Parameter | Essential/Professional |
| Processor | 8 CPU Core |
| RAM | 16 GB |
| HDD | 500 GB |
| Operating System | 64 bit |
| Parameter | Essential/Professional |
| Processor | 32 CPU Core |
| RAM | 64 GB |
| HDD | 1 TB |
| Operating System | 64 bit |
| Parameter | Essential/Professional |
| Processor | 16 CPU Core |
| RAM | 32 GB |
| HDD | 1 TB |
| Operating System | 64 bit |
Software Requirements
| Software | Minimum Versions Required for Evaluation | Version Requirements for Production |
|---|---|---|
| Linux OS | Ubuntu 20 and above/ CentOS 8/ Fedora 31/ Red Hat 7 to 9.1/ Debian 12 and above | Ubuntu 20 and above/ Red Hat 7 to 9.1/ CentOS Stream 8/ CentOS 8/ Debian 12 and above |
| Browsers | Chrome/ Firefox/ Edge | Chrome (preferred)/ Firefox/ Edge |
Software Libraries Required
- OpenSSL for secured network communication
- Sudoers file for user authorizations
- libxml2 version 2.9.1 or higher
- libxmlsec1 version 1.2.33 or higher
- libnss3
Port Requirements
| Port Name | Default Port Numbers | Protocol | Usage | Connection |
|---|---|---|---|---|
| Web server port | 9090 | TCP | Used to connect to DDI Central's Management UI Console server from a web browser | Inbound |
| Embedded database port | 33306 | TCP | Used to connect to the PostgreSQL database in DDI | N/A |
| HTTPS Port | 9443 | TCP | Used for DDI Node Agent communication and connecting the web console | Bidirectional |
| Web Socket | 8001 | TCP | Enables real-time updates and live monitoring between DDI Central and connected servers. | Bidirectional |
Database Requirements
PostgreSQL comes bundled with the product.
Network Port Configurations
To ensure optimal performance and seamless operation of the DDI solution, the following network port configurations are required:
DNS (Domain Name System)
- TCP and UDP Port 53: Must be open for DNS query and response traffic, including zone transfers.
DHCP (Dynamic Host Configuration Protocol)
- UDP Port 67 (Primary DHCP): Must be open for receiving DHCP discovery requests from clients.
- TCP Port 647 (DHCP Failover): Must be open for communication between primary and secondary DHCP servers in a failover configuration.
Ensure firewalls or security systems are configured to permit traffic on these ports for the DDI solution's components.
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