
Important Information Guide 15
To resolve this issue, download the latest firmware version from the Dell
Support website at support.dell.com.
NOTE: The minimum required firmware version for DRAC 4 is 1.61, and for DRAC 5
is 1.4.0.
Hyper-V VLAN Capability Not Functional on Intel and Broadcom Network Adapters
When you enable VLAN tagging using Hyper-V's VLAN capability, the parent
partition and child partitions may lose network connectivity with the external
network. This issue can occur with Intel Single-Port and Dual-Port as well as
Broadcom Gigabit network adapters.
To resolve this issue, download and install the latest version of the network
driver from the Dell Support website at support.dell.com.
NOTE: The minimum required network driver version for Broadcom NIC is 12.6.0,
and for Intel NIC is 11.0.
Hyper-V Virtual Networking Not Functional on Broadcom Network Adapters With
BACS-Based Teaming and VLANs
You can use the Broadcom Advanced Control Suite (BACS) software to team
multiple adapters to offer fault-tolerance and load-balancing capabilities.
Hyper-V virtual networks that are bound to network adapters configured with
BACS-based teaming or VLANs may not be functional and may disrupt
network traffic from virtual machines to the external network.
To resolve this issue, you must follow certain guidelines to create teaming on
Broadcom NetXtreme II
®
adapters using BACS teaming utility:
• Create a team, and then assign the team to the Hyper-V virtual network.
• Do not create a team with an adapter that is already assigned to a Hyper-V
virtual network.
NOTE: The minimum required network driver version for Broadcom NIC is 12.6.0.
Hyper-V supports the following Broadcom team types:
• Smart Load Balancing and Failover (configured only for one primary and
one standby)
• Link Aggregation (IEEE 802.3ad LACP)
• Generic Trunking (FEC/GEC) 802.3ad Draft Static.
book.book Page 15 Wednesday, March 18, 2009 2:57 PM
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