Lenovo Flex System Fabric CN4093 Producthandleiding - Pagina 20
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The CN4093 Virtual Fabric vNIC solution is based on the Flex System Enterprise Chassis with a 10 Gb
Converged Enhanced Ethernet (CEE) infrastructure and 10 Gb Virtual Fabric Adapters (VFAs) installed in each
compute node. In Virtual Fabric mode, the CN4093 10 Gb switch is vNIC-aware, that is, the configuration of
vNICs is done on a switch, then it propagates vNIC parameters to VFA using the DataCenter Bridging
eXchange (DCBX) protocol. vNIC bandwidth allocation and metering is performed by both the switch and the
VFA. In such a case, a bidirectional virtual channel of an assigned bandwidth is established between them for
every defined vNIC. Up to 32 vNICs can be configured on a half-wide compute node.
In the Full Fabric mode, the CN4093 converged switch has 10 GbE external ports to the G8264 top-of-rack
switch for external LAN connectivity, and is connected to the integrated Flex System V7000 Storage Node
with native FCoE interface via internal 10 GbE links, as shown in Figure 6.
Figure 6. CN4093 Virtual Fabric in the Full Fabric mode (end-to-end FCoE)
The solution components used in the scenario depicted in Figure 6 are listed in Table 8.
Flex System Fabric CN4093 10Gb Converged Scalable Switch (withdrawn product)
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