© Copyright Lenovo 2017
Chapter 21: Unified Fabric Port
361
Chapter 21. Unified Fabric Port
Unified
Fabric
Port
(UFP)
is
a
cost
‐
effective
way
to
allocate,
share
and
dynamically
control
network
bandwidth
between
a
server
and
a
switch.
UFP
lets
you
create
multiple
virtual
connections.
The
UFP
protocol
is
a
link
‐
level
protocol
that
runs
a
separate
instance
for
each
physical
communication
link
established
between
a
server
NIC
and
a
switch
port.
Virtualizing
the
ports
allows
you
to
separate
or
aggregate
port
traffic
by
applying
the
network
policies
defined
on
the
switch.
Virtualization
lessens
bottlenecks
and
provides
higher
bandwidth
while
consolidating
equipment
use.
UFP
provides
a
switch
fabric
component
to
control
NICs.
The
server
operating
system
(OS)
or
hypervisor
recognizes
each
subdivided
link
(channel)
as
an
independent
physical
NIC.
Each
channel
has
a
unique
identity
and
profile
that
defines
its
properties
and
functionality.
The
server
communicates
with
the
switch
over
the
channel
as
defined
in
the
channel
profile.
The
channels
share
the
high
‐
speed
physical
link
bandwidth.
For
each
channel,
the
vNIC
on
the
server
side
communicates
with
virtual
port
on
the
switch
side.
Any
10
Gbps
internal
server
port
can
be
configured
as
a
UFP
port.
Figure 37.
UFP
vPorts
The
UFP
protocol
has
the
following
operation
categories:
Channel
Initialization:
The
server
NIC
and
the
switch
port
negotiate
the
number
of
channels
and
establish
channel
identifiers.
Each
UFP
channel
has
a
data
component
and
a
control
component.
The
two
components
have
the
same
UFP
channel
ID.
Channel
Control:
For
an
established
channel,
the
switch
can
modify
configurable
channel
properties
by
sending
a
control
message
on
the
UFP
channel.
While
the
channel
ID
is
the
same
for
the
control
and
data
components,
the
destination
MAC
address
of
the
control
message
frame
is
a
well
‐
known
address
01-80-C2-00-00-03
.
Discovery
Capability:
UFP
can
discover
other
ports
that
are
UFP
enabled.
Once
you
enable
UFP,
you
can
check
the
information
statistics
for
established
channels.
NIC
OS or
Hypervisor
Blade Server
Lenovo
Switch
VNIC
VNIC
VNIC
VNIC
Physical
NIC Port
Internal
Switch Port
vPort
vPort
vPort
vPort
Summary of Contents for Flex System Fabric CN4093
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