Smart Network Application (SNA)
Overlays
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 675
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For example, in the below figure, the yellow lines show asymmetric connections, meaning
where one end of the link is a member in the selected VLAN and the other end is not.
When activating this overlay, a list of existing VLANs in the network is displayed (listed by
VLAN ID). When you select a VLAN, node, which are members in this VLAN, are
highlighted.
Links between devices are displayed in one of the following states:
• A link between SNA devices, where neither of the connected interfaces on either
device is a member of the VLAN, is unmarked.
• A link between an SNA device and a non-SNA device, whose interface on the SNA
device is not in the VLAN, is unmarked.
• A link between SNA devices where the connected interfaces in both devices are
members of the VLAN is highlighted as a member of the VLAN.
• A link between an SNA device and a non-SNA device whose interface on the SNA
device is a member of the VLAN is highlighted.
• An asymmetric link between SNA devices where one of the connected interfaces is a
member of the VLAN and the other one is not is marked in yellow.
The connection between an aggregation of links (LAGs) between devices in the topology map
is marked according to the following rules:
• If at least one link is highlighted, the connection is highlighted.
• If at least one link has an asymmetric connection, the connection is yellow.
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