VLAN Management
Overview
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 204
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A private VLAN can be configured to span across multiple switches by setting inter-switch
ports as trunk ports and adding them to all VLANs in the private VLAN. Inter-switch trunk
ports send and receive tagged traffic of the private VLAN’s various VLANs (primary, isolated
and the communities).
The switch supports 16 primary VLANs and 256 secondary VLANs.
Traffic Flow
The following describes traffic flow from hosts to servers/routers or other hosts.
Figure 1 Traffic from Hosts to Servers/Routers
Isolated 1 Isolated 2
Server
Community 1 Community 1
Promiscous Promiscous
Isolated Isolated Community Community Community
Community 1
Isolated vlan Community Vlan
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