Cisco Cisco UCS B200 M4 Blade Server Hoja De Datos
Cisco UCS 6300 Series Fabric Interconnect
40
SUPPLEMENTAL MATERIAL
Blade Chassis Connection Types
In a blade chassis, the FEX fabric link (the link between the FEX and the FI) supports two different types of
connections:
connections:
■
Discrete Mode
■
Port Channel Mode
In discrete mode, a half-width server slot is pinned to a given FEX fabric link. The supported number of links
are 1, 2, 4, and 8, as shown in
are 1, 2, 4, and 8, as shown in
. The figure shows how each FEX fabric link services a particular
slot. It is an example of four FEX fabric link connections.
Figure 15
Discrete Mode FEX Fabric Link
shows the mapping from the blade chassis server half slots to the FEX fabric links.
Table 23 Blade Chassis Slot to Link Mapping
FEX Type
Number of FEX Fabric Links
Half-Width Server Slot to Link
Cisco UCS 2304,
Cisco UCS 2208XP, and
Cisco UCS 2204XP
Cisco UCS 2208XP, and
Cisco UCS 2204XP
1
Server Slots 1 - 8 merged to link 1
2
Server Slots 1, 3, 5, 7 merged to link 1
Server Slots 2, 4, 6, 8 merged to link 2
Server Slots 2, 4, 6, 8 merged to link 2
4
Server Slots 1, 5 merged to link 1
Server Slots 2, 6 merged to link 2
Server Slots 3, 7 merged to link 3
Server Slots 4, 8 merged to link 4
Server Slots 2, 6 merged to link 2
Server Slots 3, 7 merged to link 3
Server Slots 4, 8 merged to link 4
Cisco UCS 2208XP only
8
1:1 mapping. Each half-width server slot is pinned
to a single FEX fabric link.
Slot 1
Link 1
Link 4
Link 3
Link 2
Blade Half-Width Slot Numbers
Slot 2
Slot 3
Slot 4
Slot 3
Slot 4
Slot 8
Slot 7
Slot 6
Slot 5
Fabric Interconnect
Fabric Extender (FEX)
Blade Chassis