User guide

400 Brocade 6910 Ethernet Access Switch Configuration Guide
53-1002581-01
Configuring Port-based Traffic Segmentation
20
traffic-segmentation
This command enables traffic segmentation. Use the no form to disable traffic segmentation.
Syntax
[no] traffic-segmentation
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
• Traffic segmentation provides port-based security and isolation between ports within the VLAN.
Data traffic on the downlink ports can only be forwarded to, and from, the designated uplink
port(s). Data cannot pass between downlink ports in the same segmented group, nor to ports
which do not belong to the same group.
• Traffic segmentation and normal VLANs can exist simultaneously within the same switch.
Traffic may pass freely between uplink ports in segmented groups and ports in normal VLANs.
• When traffic segmentation is enabled, the forwarding state for the uplink and downlink ports
assigned to different client sessions is shown below.
• When traffic segmentation is disabled, all ports operate in normal forwarding mode based on
the settings specified by other functions such as VLANs and spanning tree protocol.
• Enter the traffic-segmentation command without any parameters to enable traffic
segmentation. Then set the interface members for segmented groups using the
traffic-segmentation uplink/downlink command.
• Enter no traffic-segmentation to disable traffic segmentation and clear the configuration
settings for segmented groups.
TABLE 91 Traffic Segmentation Forwarding
Destination
Source
Session #1
Downlinks
Session #1
Uplinks
Session #2
Downlinks
Session #2
Uplinks
Normal Ports
Session #1
Downlink Ports
Blocking Forwarding Blocking Blocking Blocking
Session #1
Uplink Ports
Forwarding Forwarding Blocking Blocking/
Forwarding
*
* The forwarding state for uplink-to-uplink ports is configured by the traffic-segmentation uplink-to-uplink
command.
Forwarding
Session #2
Downlink Ports
Blocking Blocking Blocking Forwarding Blocking
Session #2
Uplink Ports
Blocking Blocking/
Forwarding
*
Forwarding Forwarding Forwarding
Normal Ports Forwarding Forwarding Forwarding Forwarding Forwarding