Справочник Пользователя для IBM Emulex Dual Port 10GbE SFP+ EVFA 90Y6456
Модели
90Y6456
Emulex 10GbE Virtual Fabric Adapter II and III family for IBM System x
8
In Switch Independent Mode (also known as vNIC2 mode) the adapter works with any 10 Gb
Ethernet switch. Switch Independent Mode offers the same capabilities as IBM Virtual Fabric Mode in
terms of the number of vNICs and the bandwidth each can be configured to have. Switch Independent
Mode extends the existing customer VLANs to the virtual NIC interfaces. The IEEE 802.1Q VLAN tag
is essential to the separation of the vNIC groups by the NIC adapter or driver and the switch. The
VLAN tags are added to the packet by the applications or drivers at each end station rather than by
the switch.
terms of the number of vNICs and the bandwidth each can be configured to have. Switch Independent
Mode extends the existing customer VLANs to the virtual NIC interfaces. The IEEE 802.1Q VLAN tag
is essential to the separation of the vNIC groups by the NIC adapter or driver and the switch. The
VLAN tags are added to the packet by the applications or drivers at each end station rather than by
the switch.
vNIC bandwidth allocation and metering is only performed by VFA itself. In such a case, a
unidirectional virtual channel is established where the bandwidth management is only performed for
the outgoing traffic on a VFA side (server-to-switch). The incoming traffic (switch-to-server) uses the
all available physical port bandwidth, as there is no metering performed on either the VFA or a switch
side.
unidirectional virtual channel is established where the bandwidth management is only performed for
the outgoing traffic on a VFA side (server-to-switch). The incoming traffic (switch-to-server) uses the
all available physical port bandwidth, as there is no metering performed on either the VFA or a switch
side.
In vNIC2 mode, when storage protocols are enabled on the Emulex 10GbE Virtual Fabric Adapters,
six vNICs (three per physical port) are Ethernet, and two vNICs (one per physical port) are either
iSCSI or FCoE.
six vNICs (three per physical port) are Ethernet, and two vNICs (one per physical port) are either
iSCSI or FCoE.
In pNIC mode the adapter operates as a standard dual-port 10 Gbps Ethernet adapter, and it
functions with any 10 GbE switch. In pNIC mode, with the Emulex FCoE/iSCSI License, the card
operates in a traditional Converged Network Adapter (CNA) mode with two Ethernet ports and two
storage ports (iSCSI or FCoE) available to the operating system.
operates in a traditional Converged Network Adapter (CNA) mode with two Ethernet ports and two
storage ports (iSCSI or FCoE) available to the operating system.
Although all adapters in the Emulex 10GbE Virtual Fabric Adapter family support pNIC, vNIC1 and vNIC2
modes, availability of each operating mode is also dependent on the top-of-rack switch and the network or
storage protocol used (Ethernet only - no storage protocols, iSCSI or FCoE), as shown in the following
table.
Table 5. Available IBM VFA operating modes for Ethernet, iSCSI and FCoE configurations
Protocol
Switch
vNIC1
vNIC2
pNIC
Ethernet only
IBM G8124E
Yes
Yes
Yes
IBM G8264
Yes
Yes
Yes
Other compatible switches
No
Yes
Yes
iSCSI
IBM G8124E
No
Planned
Planned
IBM G8264
No
Yes
Yes
Juniper EX4500
No
Planned
Planned
FCoE
IBM G8124E (FCoE transit switch)
No
No
Planned
Brocade VDX 6730
No
Yes
Yes
Cisco Nexus 5010/5020
No
Yes
Yes