Chapter 5: Operation

If monitoring connectivity to a device on the same subnet as the switch’s internal Ethernet node, set the switch’s monitorip address and monitormac address parameters to the IP address and MAC address of the device being monitored. If monitoring connectivity to a device on a different subnet/network than the switch’s internal Ethernet node, set the switch’s monitormac address parameter to the MAC address of the gateway router on the switch’s subnet, and set the monitorip address parameter to the IP address of the device being monitored. This allows the PING packet issued by the switch to be routed through the gateway router to the target device on a different subnet/network. If you don’t know the MAC address of the target device or of the gateway router on the switch’s subnet, one method is to open a command prompt window on a PC attached to that same sub- net and use the “arp -a” command to retrieve this information from the PC’s arp cache (you may need to PING the IP address first before the entry will appear in the arp cache).

Rather than manually configuring the monitormac address, you can also configure the switch to automatically determine the proper MAC address required for the PING packet. Enter the monitorip address information as noted above, and then set the monitormac address parameter to 00 00 00 00 00 00. This causes the switch to issue an ARP request to the gateway router, which will respond with the appropriate MAC address information needed.

NOTE: When the Auto Switch feature is enabled, manual switching can be performed, but will be overridden by any auto switching commands that are subsequently issued by the switch.

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NBS008A

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Black Box NBS008A, Pro Switching System 4 Network Backup Switches manual Operation

NBS008A, Pro Switching System 4 Network Backup Switches specifications

The Black Box Pro Switching System 4 Network Backup Switches, specifically the NBS008A model, represents a cutting-edge solution for network resilience and management. This advanced device is designed to enhance network reliability by providing a seamless way to switch between primary and backup network links, ensuring continuous connectivity for critical applications.

One of the standout features of the NBS008A is its automatic failover capability. In the event of a link failure, the system swiftly transitions to a secondary connection without requiring manual intervention. This is crucial for businesses that rely on uptime, as it minimizes downtime and ensures that operations remain uninterrupted.

The device also supports a variety of network protocols, making it versatile for different network environments. It is compatible with Ethernet and other common standards, providing flexibility for integration into existing infrastructure. The NBS008A is equipped with multiple ports, allowing for connection to various devices and networks, and enabling redundancy across critical pathways.

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