IBM 8479 Hardware Maintenance Manual - Page 79

Virtual, Notes, Network, Properties

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v The adapter cannot be assigned to an adapter team. v If you are setting up virtual local area networks (VLANs) and packet tagging on the same adapter, 802.1p/802.1Q tagging must be enabled on the IBMSet Advanced tab. If your network infrastructure devices do not support IEEE 802.1p or you are not sure, you can still define filters and send packets as high priority. While HPQ does not provide the precise priority levels of 802.1p tagging, it does assign traffic as either high or low priority and sends high priority packets first. Therefore, if there are multiple applications on a system sending packets, the packets from the application with a filter are sent out first. HPQ does not change network routing, nor does it add any information to the packets. To assign HPQ, you can specify it using Priority Packet when you create or assign a filter. To effectively use HPQ, the adapter cannot be assigned to an adapter team. Virtual LAN mode: A virtual LAN is a logical grouping of network devices put together as a LAN, regardless of their physical grouping or collision domains. Using VLANs increases network performance and improves network security. VLANs offer you the ability to group users and devices together into logical workgroups. This can simplify network administration when connecting clients to servers that are geographically dispersed across the building, campus, or enterprise network. Typically, VLANs are configured at the switch and any server can be a member of one VLAN per installed network adapter. Your Ethernet controller supersedes this by communicating directly with the switch, enabling multiple VLANs on a single network adapter (up to 64 VLANs). To set up VLAN membership, your Ethernet controller must be attached to a switch that has VLAN capability. You also need to use Windows NT 4.0 or later, or Novell NetWare 4.1x or later. Notes: 1. Windows NT versions prior to 4.0 do not support VLANs. 2. VLANs require NT 4.0 with Service Pack 3.0 and the network driver interface specification (NDIS) driver hotfix from Microsoft. 3. In Windows NT, VLANs cannot be implemented on controllers that have been configured for teaming options. NetWare can support teaming options and VLANs on the same adapters. Complete the following steps to join a VLAN from Windows NT 4.0. 1. Create a VLAN on the switch. Use the parameters you assign there to join the VLAN from the server. Refer to your switch documentation for more information. 2. Double-click the Network icon in the Control Panel window. 3. On the Adapters tab, select the adapter you want to be on the VLAN and click Properties. 4. In IBMSet, click Join VLAN. Note that VLANs cannot be assigned to adapters that are already defined to have an adapter teaming option. Installing options 71

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v
The
adapter
cannot
be
assigned
to
an
adapter
team.
v
If
you
are
setting
up
virtual
local
area
networks
(VLANs)
and
packet
tagging
on
the
same
adapter,
802.1p/802.1Q
tagging
must
be
enabled
on
the
IBMSet
Advanced
tab.
If
your
network
infrastructure
devices
do
not
support
IEEE
802.1p
or
you
are
not
sure,
you
can
still
define
filters
and
send
packets
as
high
priority.
While
HPQ
does
not
provide
the
precise
priority
levels
of
802.1p
tagging,
it
does
assign
traffic
as
either
high
or
low
priority
and
sends
high
priority
packets
first.
Therefore,
if
there
are
multiple
applications
on
a
system
sending
packets,
the
packets
from
the
application
with
a
filter
are
sent
out
first.
HPQ
does
not
change
network
routing,
nor
does
it
add
any
information
to
the
packets.
To
assign
HPQ,
you
can
specify
it
using
Priority
Packet
when
you
create
or
assign
a
filter.
To
effectively
use
HPQ,
the
adapter
cannot
be
assigned
to
an
adapter
team.
Virtual
LAN
mode:
A
virtual
LAN
is
a
logical
grouping
of
network
devices
put
together
as
a
LAN,
regardless
of
their
physical
grouping
or
collision
domains.
Using
VLANs
increases
network
performance
and
improves
network
security.
VLANs
offer
you
the
ability
to
group
users
and
devices
together
into
logical
workgroups.
This
can
simplify
network
administration
when
connecting
clients
to
servers
that
are
geographically
dispersed
across
the
building,
campus,
or
enterprise
network.
Typically,
VLANs
are
configured
at
the
switch
and
any
server
can
be
a
member
of
one
VLAN
per
installed
network
adapter.
Your
Ethernet
controller
supersedes
this
by
communicating
directly
with
the
switch,
enabling
multiple
VLANs
on
a
single
network
adapter
(up
to
64
VLANs).
To
set
up
VLAN
membership,
your
Ethernet
controller
must
be
attached
to
a
switch
that
has
VLAN
capability.
You
also
need
to
use
Windows
NT
4.0
or
later,
or
Novell
NetWare
4.1x
or
later.
Notes:
1.
Windows
NT
versions
prior
to
4.0
do
not
support
VLANs.
2.
VLANs
require
NT
4.0
with
Service
Pack
3.0
and
the
network
driver
interface
specification
(NDIS)
driver
hotfix
from
Microsoft.
3.
In
Windows
NT,
VLANs
cannot
be
implemented
on
controllers
that
have
been
configured
for
teaming
options.
NetWare
can
support
teaming
options
and
VLANs
on
the
same
adapters.
Complete
the
following
steps
to
join
a
VLAN
from
Windows
NT
4.0.
1.
Create
a
VLAN
on
the
switch.
Use
the
parameters
you
assign
there
to
join
the
VLAN
from
the
server.
Refer
to
your
switch
documentation
for
more
information.
2.
Double-click
the
Network
icon
in
the
Control
Panel
window.
3.
On
the
Adapters
tab,
select
the
adapter
you
want
to
be
on
the
VLAN
and
click
Properties
.
4.
In
IBMSet,
click
Join
VLAN
.
Note
that
VLANs
cannot
be
assigned
to
adapters
that
are
already
defined
to
have
an
adapter
teaming
option.
Installing
options
71