Brocade TurboIron 24X Series Configuration Guide - Manual (Page 434)

400 Brocade TurboIron 24X Series Configuration Guide
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Configuring super aggregated VLANs
Figure 48 shows a conceptual picture of the service that aggregated VLANs provide. Aggregated
VLANs provide a path for multiple client channels. The channels do not receive traffic from other
channels. Thus, each channel is a private link.
FIGURE 48 Conceptual model of the super aggregated VLAN application
Each client connected to the edge device is in its own port-based VLAN, which is like an ATM
channel. All the clients’ VLANs are aggregated by the edge device into a single VLAN for connection
to the core. The single VLAN that aggregates the clients’ VLANs is like an ATM path.
The device that aggregates the VLANs forwards the aggregated VLAN traffic through the core. The
core can consist of multiple devices that forward the aggregated VLAN traffic. The edge device at
the other end of the core separates the aggregated VLANs into the individual client VLANs before
forwarding the traffic. The edge devices forward the individual client traffic to the clients. For the
clients’ perspective, the channel is a direct point-to-point link.