# Monitoring Syslog Packets Syslog viewer allows you to ensure whether OpManager receives the syslog packets sent by the devices. Here are the steps to view the list of the devices that send the syslog packets: 1. From **Settings** tab, click **Tools → Syslog Viewer.** 2. Click on the **Start** button to start listening to the Syslog packets. The syslog packets sent by the devices to OpManager are listed. You can also filter the syslog packets by device and port. ## Filtering Syslog packets - Enter the device's IP address in the **Source** field. - **(OR)** - Enter the **port** number via which OpManager receives the syslog packets.