What should be checked to troubleshoot network connectivity in a PCE?

To troubleshoot network connectivity in a Policy Compute Engine (PCE), it is essential to check ports and firewall settings. These elements play a crucial role in establishing and maintaining communication between different components in a network environment.

When you assess the ports, you determine if the necessary network ports are open and properly configured for communication. If specific ports are blocked or not configured correctly, it can lead to connectivity issues, preventing the PCE from communicating with other servers, agents, or clients. Additionally, firewall settings must be examined to ensure that the traffic required by the PCE is allowed. Firewalls can inadvertently block traffic that is vital for the operation of the PCE, which can create significant disruptions.

Focusing solely on service logs, network throughput, or node configuration settings may not address underlying connectivity problems. While service logs can provide insights into system events, they won't directly reveal whether network ports are open or blocked. Network throughput may indicate if the connection is performing well, but it won't help identify issues related to ports or firewall configurations. Node configuration settings are critical for proper functioning but do not encompass the network layer checks necessary for troubleshooting connectivity. Therefore, ensuring that ports and firewall settings are correctly configured is vital for effective troubleshooting of network connectivity in a PCE.