FAQ | Networking

An IP address is a logical identifier assigned to a device on a network to show its location and can change depending on the network. A MAC address is a permanent, physical identifier burned into a device’s network card to uniquely identify it on a local network. IP addresses operate at Layer 3 and are used by routers, while MAC addresses work at Layer 2 and are used by switches. Together, they help devices communicate across and within networks.

A subnet mask determines which devices are considered local to each other on a network. If all devices share the same subnet mask—commonly 255.255.255.0—they are in the same local broadcast domain and can communicate directly without a router.

An IP address is a logical identifier assigned to a managed switch to allow communication with other network devices. It enables the switch to participate in the network’s collision domain, similar to how a phone number identifies a line. Internal security networks typically use private address ranges such as 192.168.xxx.xxx.

To communicate with a network switch, your computer must be on the same subnet. Most security networks use a Class C IP range (e.g., 192.168.x.x). For example, if your switch has a default IP address of 192.168.1.1, your computer should have an IP like 192.168.1.2 to 192.168.1.254—excluding the switch's address.

An enterprise-level switch is fully programmable and typically operates at Layer 2+ or Layer 3 Lite, offering comprehensive management capabilities. While Power over Ethernet (PoE) is not a defining feature, enterprise-level switches may also serve as core switches.

A core switch is the central switch in a network that receives connections from remote or edge switches. It typically uplinks to servers, recorders, or external networks.

An Industrial Network Switch (INS) is a compact, rugged switch designed to operate in harsh environments. It is typically used in outdoor enclosures and can handle extreme temperatures.

An application switch is generally a basic Layer 2 switch with limited features, designed for specific, cost-effective use cases.

A switch connects multiple devices within the same local network and forwards data based on MAC addresses. It operates at Layer 2 of the OSI model and handles internal communication. A router connects different networks—such as a local network to the internet—using IP addresses.

In networking, the 'Layer' refers to the level in the OSI model at which a switch operates. Layer 2 switches manage local traffic using MAC addresses. Layer 3 switches support routing across networks using IP addresses.

Managed switches support custom configurations, remote monitoring, and traffic control. Unmanaged switches have no user-accessible settings and operate with fixed programming.

Use a managed switch when your network includes more than a few (i.e. 8) devices, especially if you're mixing high- and low-resolution cameras or have varying PoE requirements.

An IDF (Intermediate Distribution Frame) refers to a remote network switch that aggregates connections from multiple devices and sends the traffic to a core switch. An MDF (Main Distribution Frame) is the primary hub in a network.

No, a network switch does not need to be on the same subnet as the devices it connects. Its main role is to forward data between devices through its ports.

Yes, you can use both managed and unmanaged switches on the same network. However, unmanaged switches cannot be accessed remotely or configured.

Multicasting is a network method for sending data from a single source to multiple recipients. It helps reduce unnecessary traffic.

Multicasting is a network method for sending data from a single source to multiple recipients. It helps reduce unnecessary traffic.

IGMP manages multicast group memberships and ensures only intended devices receive the multicast traffic.

Data can be transmitted as Unicast (to one device), Broadcast (to all devices on a subnet), or Multicast (to selected devices).

A VLAN (Virtual Local Area Network) logically segments a physical network into multiple isolated networks.

VLANs are identified by tagging Ethernet frames with VLAN IDs according to IEEE 802.1Q standards.

SNMP is powerful but more complex to configure. Syslog is easier to set up and more widely supported across vendors.

To access a switch remotely, you'll need credentials and appropriate network permissions. VPNs or remote desktop tools may be required.

Press and hold the 'RESET' button for about 5 seconds. This restores the factory defaults, including the IP address.

'Reset' usually restores the last saved configuration. 'Return to Default' wipes all settings and reverts the switch to factory defaults.

If the total video bandwidth exceeds the usable throughput of a 1Gbps link (roughly 500Mbps), or if switches are daisy-chained or connected to high-resolution cameras, a 10Gbps uplink is recommended.

Switch fabric refers to the total internal bandwidth capacity of a switch. It determines how much traffic the switch can handle simultaneously. A higher switch fabric value ensures better performance, especially when all ports are active.

Yes. Techniques like link aggregation (LAG), traffic prioritization using QoS, and enabling IGMP snooping for video streams can improve uplink efficiency without increasing port speed.