Smart Network Application (SNA)
Topology View
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 653
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Connections Between Devices
Connections between devices are color-coded, depending on the current overlay (see
Overlays).
A connection may represent a single link between devices or an aggregation of links between
two devices.
The width of connections between switches on the topology map is an indication of the
aggregated bandwidth available on the connection as determined by the operational speed of
the links in the connection.
The following connection widths are available (from narrowest to widest):
• Level 1—Less than 1GB
• Level 2—1GB to less than 10GB
• Level 3—More than 10 GB
Links whose capacity cannot be calculated or links between a backbone device and its clients
are shown as level 1 links.
The connection between SNA-capable devices is detected from both sides. If there is a
difference between the calculated capacities of the connection between the two sides, the
width is drawn according to the lower of the two values.
You can enter a connection explorer for specific links by clicking on the link. The following
information is displayed:
• Port(s) names on the two sides of the link (if known)
• LAG IDs if relevant.
• Basic information about the connected devices: device type/device name/IP
• Link bandwidth for each link comprising the connection
Clouds
Clouds are sections of the network that SNA cannot map in detail. They are indicated by the
following icon:
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