In a handful of recent incidents, I helped clients troubleshoot network problems. The errors turned out to be switch features that were changed from t Kevin Dooley Read more Understanding the types of network devices is vital to effective network management. Here, we take a look at 11 common...
Layer 2 Industrial Ethernet switches feature all functions required to construct a Layer 2 network. A distinction is made between two types — unmanaged Layer 2 and managed Layer 2 switches. Unmanaged Layer 2 switches can be integrated into a Layer 2 network without additional configuration. Managed...
Local switching ACs utilize a full variety of Layer 2 interfaces, including Layer 2 trunk (main) interfaces, bundle interfaces, and EFPs. Same-port local switching allows you to switch Layer 2 data between two circuits on the same interface. Restrictions All sub-...
The port through which the designated switch is attached to the LAN is called the designated port. For the Cisco Connected Grid switch, this only applies to NNIs or to ENIs on which STP has been specifically enabled. All paths that are not needed to reach the ...
Since the switch updates the cam table each time, it receives a frame. It also makes the cam table unstable. Switches use the cam table to make forwarding decisions. If the cam table is unstable the switch fails to make the correct forwarding decisions. ...
Many Cisco Meraki switches have Layer 3 routing capability within the switch itself. E.g.: switch receives a packet, determines that the packet belongs to another VLAN, and sends the packet to the appropriate port within the destination VLAN. This is called L3 routing and a switch capable of...
In the same way that a Layer 2 switch is another name for a bridge, a Layer 3 switch is another name for a router. This is not to say that a Layer 3 switch and a router operate the same way. Layer 3 switches make decisions based on the port-level Internet Protocol (IP) addresses...
The procedure for S1 is shown here as an example. Step 1: Cable the network as shown in the topology. Attach the devices shown in the topology diagram and cable as necessary. Step 2: Configure basic settings for the router and each switch. Configure host names as shown in the topology....
isTable) { map.tables.add(table); } }); refreshInterval Property refreshInterval Number Since: ArcGIS Maps SDK for JavaScript 4.6 Refresh interval of the layer in minutes. Value of 0 indicates no refresh. Default Value:0 See also refresh() refresh event Example // the layer will be ...
Packet-switched network—A form of networking where bandwidth is shared and data is carried in units called packets. • Switch—A Layer 2 device that carries traffic on one Local Area Network (LAN), based on Media Access Control (MAC) addresses. • Router—A Layer 3 device that routes ...