Smart Network Application (SNA)
Topology View
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 648
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To maximize information provided in the topology, all devices in the network, which support
these protocols, must have them enabled.
Since the topology is created by creating management sessions with the participating SNA
devices, when using the HTTPS protocol to launch the SNA, all SNA switches in the network
must be authorized or added to the certificate exception list on the web client (browser) used
for SNA.
Topology Overlays
Various overlays of the topology view are supported that determine the contents of the graphic
representation of elements in the topology view. Supported overlays include: VLAN
membership, Spanning Tree, PoE, and Link Utilization. If you select the VLAN Membership
overlay, for example, VLAN information is added to the topological view. See Overlays for a
complete description.
Topology Elements
The Topology view displays the following types of entities:
• Devices
• Ports
• Connections Between Devices
• Clouds
Devices
Detected devices are represented as nodes in the topology view, as shown in the Figure 1.
Click on a device to display the following information in the right-hand information (if the
information is available):
• Device type—The icon shape indicates the device type. Device types include:
switch, access point, PC, or IP phone. If the device type is not pre-defined, or if the
type is not detected properly for some reason, the device type is shown as Unknown.
Switches discovered on the network are labeled as one of the following types:
- SNA Switch— Switch (running version 2.2.5 or higher) with the full SNA
feature set.
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