White Papers

vStart 100 and 200 Reference Architecture
Dell Inc. 10
The table below summarizes the use of each traffic type.
Traffic Type Summary Table 2.
Traffic Type
Use
Management
Supports virtualization management traffic and communication between the
Hyper-V R2 servers in the cluster
Live Migration
Supports migration of VMs between Hyper-V Host servers in the cluster
VM
Supports communication between the VMs hosted on the cluster and
external systems
Cluster Private
Supports internal cluster network communication between the servers in
the cluster
Out-of-Band
Management
Supports configuration and monitoring of the servers through the iDRAC
management interface, storage arrays, and network switches
iSCSI Data
Supports iSCSI traffic between the servers and storage array(s). In addition,
traffic between the arrays is supported
5.2 LAN Architecture
The LAN includes two PowerConnect 7048 or 6248 switches which support VM, Management, Cluster
Private, Live Migration, and OOB traffic. These traffic types are logically separated through the use of
VLANs. The two switches are stacked together, which forms a single logical switch and provides a
48Gb link between the two PC6248 switches, or 64Gb between the two PC7048 switches. The solution
provides four 1Gb uplinks from each switch to link into an existing core network infrastructure. If the
core network infrastructure supports 10Gb Ethernet, then 10Gb uplink modules may be added to each
switch; however this option is beyond the scope of this document.
5.2.1 Traffic Isolation using VLANs
The traffic on the LAN is segregated into five VLANs; one VLAN each for, VM, Management, Live
Migration, Cluster Private, and OOB traffic. VLAN tagging is performed through switch tagging as well
as host level tagging.