e
ruar
2006
eprinted from Dell Power Solutions
February 2006. Copyright © 2006 Dell Inc. All rights reserve
DELL POWER SOLUTION
ONLINE-EXTRA CONTENT
Enabling VMware ESX Server VLAN Network Configurations for the Dell PowerEdge 1855 Blade Serve
By Balasubramanian Chandrasekaran, Kyon Holman, Cuong T. Nguyen, and Scott Stanfor
VLAN con
igurations
or Dell
PowerEd
e 1855 blade servers
runnin
VMware ESX Serve
e
ore implementin
virtual LAN
VLAN
con
i
urations
or
VMw
r
E
X
rv
f
w
r
in D
l
PowerE
ge
1
server environments, administrators should make sure that the
irst back up the configuration on the Dell PowerConnec
5316M
switch
which resides in the Dell Modular Server Enclosure alon
ith the server blades o
the PowerEdge 1855 system
using the
ollowin
command
copy running-config
ac
up-confi
This will allow administrators to undo any configuration steps
a
roblem is encountered. The
should run these command-line
nterface (CLI) commands from the serial interface to the switch via
he Dell Remote Access Controller/Modular Chassis
DRAC/MC
. I
administrators need to restore the previous con
iguration, they can
se the followin
command
copy
ac
up-config startup-config
T
en, a
ministrators can re
oot t
e system using t
e reload
command to recover
rom the
roblem.
The following sections outline step-by-step instructions for
mplementin
VLANs in the se
re
ated tra
ic, dedicated VMotion
network, and redundant network inter
ace card
NIC
con
igurations
r D
ll
l
rv
r
nvir
nm
n
e
re
ated traffic confi
uration
In the se
re
ated tra
ic con
i
uration, NIC 0 is shared between
rvi
n
n
VM
i
n
NI
1 i
i
VM
he steps to set up the ESX Server environment
or the se
re
ated
raffic configuration are as follows:
1.
og in wit
root-
eve
privi
eges to t
e service conso
e an
x
h
mm
n
vm
pci
ivy –
this interactive com
and is designed to allocate devices between the service
console and the VMs). Confi
ure NIC 0 to be shared between
the service console and the VMs.
2.
rv
r
3. Usin
the VMware ESX Server Mana
ement User Inter
ace
MUI), create two virtual switches—one for the VMs (NIC 0)
and one
or VMotion
NIC 1
he steps to set up the VLANs and the PowerConnect 5316M
switches
or the segregated tra
ic con
iguration are as
ollows
1.
et up the virtual switch to tag all VMotion tra
ic with a
pecific VLAN ID of, for example, A—where A is the VLAN
ID used
or VMotion tra
ic in this article
2.
onfigure the PowerConnect 5316M port connected to NIC 0
n this blade to have a
ermanent VLAN ID
PVID
o
,
for example, B—where B is the VLAN ID used for service
n
l
r
i
3.
on
igure this port to also be member o
VLAN A. At this
point, the port will forward traffic to and from VLAN A
VMotion
, and an
tra
ic
rom the service console that is
untagge
y t
e server
a
e wi
e sent on
y to ot
er ports
that are members o
VLAN B.
4. Assign one external port on Switch 0 to be a member o
LAN A. Make sure this external
ort’s PVID is set to 4095,
which will cause all untagged traffic to be discarded.
5. Assi
n another external port on Switch 0 to be a member o
LAN B. Ma
e sure t
is externa
ort’s PVID is set to 4095
At this point, external traffic will be isolated for VLAN B (the
ervice console
and VLAN A
VMotion
on the switch
6.
onfigure the remaining internal ports on Switch 0 connected
to the other server blades that need to
artici
ate in the
Motion operation to be members of VLAN A. This allows
dministrators to move VMs amon
these server blades usin
Motion
edicated VMotion network configuration
n the dedicated VMotion network confi
uration, NIC 0 is shared
etween the service console and the VMs. NIC 1 is used onl
or
VMotion. The steps to enable the ESX Server environment for this
con
i
uration are identical to the steps
or enablin
the ESX Server
environment in the segregated traffic configuration.
F
r VM
n
to
unction
ro
erl
, the switch names should be identical across
a
a
e servers.
Addin
VLANs to the dedicated VMotion network con
i
ura-
tion can hel
isolate the VM tra
ic
rom the service console tra
ic
and thereby help improve security. To set up the VLANs in the
owerConnect 5316M switches
or this con
iguration, administrators
should perform the followin
steps:
1.
et up virtual switches in the ESX Server software to provide
LAN ta
s
or all VM tra
ic. Administrators can de
ine the
ame VLAN tag for all VMs to share or specify a VLAN tag fo
ach VM or
or any
roup o
VMs. The decision
or assi
nin
Alternatively, i
the external system does not support VLANs, then unta
ed tra
ic could be allowed into this port and the switch could automatically ta
the tra
ic
or VMotion.
(52 pages)
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