Dell Broadcom NetXtreme Family of Adapters Manuel d'utilisateur Page 67
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Broadcom Gigabit Ethernet Teaming Services: Broadcom NetXtreme BCM57XX User Guide
file:///C|/Users/Nalina_N_S/Documents/NetXtreme/English/teamsvcs.htm[9/5/2014 3:32:13 PM]
A team of adapters function as a single virtual network interface and does not appear any different to other network devices
than a non-teamed adapter. A virtual network adapter advertises a single Layer 2 and one or more Layer 3 addresses. When
the teaming driver initializes, it selects one MAC address from one of the physical adapters that make up the team to be the
Team MAC address. This address is typically taken from the first adapter that gets initialized by the driver. When the system
hosting the team receives an ARP request, it selects one MAC address from among the physical adapters in the team to use
as the source MAC address in the ARP Reply. In Windows operating systems, the IPCONFIG /all command shows the IP and
MAC address of the virtual adapter and not the individual physical adapters. The protocol IP address is assigned to the virtual
network interface and not to the individual physical adapters.
For switch-independent teaming modes, all physical adapters that make up a virtual adapter must use the unique MAC
address assigned to them when transmitting data. That is, the frames that are sent by each of the physical adapters in the
team must use a unique MAC address to be IEEE compliant. It is important to note that ARP cache entries are not learned
from received frames, but only from ARP requests and ARP replies.
Description of Teaming Types
Smart Load Balancing and Failover
Generic Trunking
Link Aggregation (IEEE 802.3ad LACP)
SLB (Auto-Fallback Disable)
There are three methods for classifying the supported teaming types:
One is based on whether the switch port configuration must also match the adapter teaming type.
The second is based on the functionality of the team, whether it supports load balancing and failover or just failover.
The third is based on whether the Link Aggregation Control Protocol is used or not.
Table 2 shows a summary of the teaming types and their classification.
Table 2. Available Teaming Types
Teaming Type
Switch-Dependent
(Switch must support
specific type of
team)
Link Aggregation Control
Protocol support is required on
the switch
Load
Balancing
Failover
Smart Load Balancing and Failover (with
two to eight load balance team
members)
SLB (Auto-Fallback Disable)
Link Aggregation (802.3ad)
Generic Trunking (FEC/GEC)/802.3ad-
Draft Static
Smart Load Balancing and Failover
The Smart Load Balancing™ and Failover type of team provides both load balancing and failover when configured for load
balancing, and only failover when configured for fault tolerance. This type of team works with any Ethernet switch and
requires no trunking configuration on the switch. The team advertises multiple MAC addresses and one or more IP addresses
(when using secondary IP addresses). The team MAC address is selected from the list of load balance members. When the
system receives an ARP request, the software-networking stack will always send an ARP Reply with the team MAC address. To
begin the load balancing process, the teaming driver will modify this ARP Reply by changing the source MAC address to match
one of the physical adapters.
Smart Load Balancing enables both transmit and receive load balancing based on the Layer 3/Layer 4 IP address and
TCP/UDP port number. In other words, the load balancing is not done at a byte or frame level but on a TCP/UDP session basis.
This methodology is required to maintain in-order delivery of frames that belong to the same socket conversation. Load
balancing is supported on 2 to 8 ports. These ports can include any combination of add-in adapters and LAN on Motherboard
- Broadcom NetXtreme 1
- BCM57XX User Guide 1
- Functional Description 3
- Features 3
- Types of Teams 7
- Link Aggregation (802.3ad) 7
- SLB (Auto-Fallback Disable) 8
- LiveLink™ Functionality 8
- VLAN Overview 10
- Adding VLANs to Teams 11
- BASP Subagent 12
- BASP Extensible-Agent 13
- System Requirements 14
- Safety Precautions 14
- Preinstallation Checklist 15
- Installing the Adapter 15
- Connecting the Network Cables 15
- Overview 18
- Setting Up the BIOS 19
- Linux Red Hat PXE Server 19
- DOS UNDI/Intel APITEST 20
- Configuring the iSCSI Target 21
- Enabling CHAP Authentication 24
- Configuring the DHCP Server 26
- Locally Administered Address 32
- Troubleshooting iSCSI Boot 33
- Modifying the Startup Disk 35
- Limitations 40
- Packaging 40
- Network Installations 41
- Patching PCI Files (Optional) 42
- Driver Messages 42
- Teaming with Channel Bonding 43
- Driver Defaults 45
- Using the Installer 47
- Using Silent Installation 48
- Modifying the Driver Software 49
- Removing the Device Drivers 50
- WinPE 2.0 51
- WinPE 3.1 52
- Using WS-MAN 55
- Using WMI 62
- Teaming Concepts 66
- Description of Teaming Types 67
- Software Components 69
- Hardware Requirements 69
- Switching Hub 70
- Repeater Hub 70
- Selecting a Team Type 71
- Teaming Mechanisms 72
- Outbound Traffic Flow 73
- Protocol Support 74
- Switch-Dependent 76
- Applications 76
- Configuration Recommendations 76
- Supported Teaming Speeds 78
- Checksum Offload 79
- IEEE 802.1p QoS Tagging 79
- Large Send Offload 79
- Jumbo Frames 79
- IEEE 802.1Q VLANs 79
- Wake on LAN 80
- Teaming Across Switches 80
- Spanning Tree Algorithm 82
- Topology Change Notice (TCN) 83
- Port Fast/Edge Port 83
- Layer 3 Routing/Switching 84
- Application Considerations 85
- Teaming and Network Backup 88
- Load Balancing and Failover 89
- Fault Tolerance 90
- Teaming Configuration Tips 91
- Frequently Asked Questions 92
- Event Log Messages 95
- BCM57XX User Guide 98
- Filter View 99
- Discovery Wizard 100
- Manage Targets Wizard 100
- Manage iSNS Servers 101
- Manage Discovery Portals 101
- Boot Configuration Wizard 101
- Managing the Host 102
- Information Tab: Resources 104
- Information Tab: Hardware 105
- Viewing Vital Signs 107
- Testing the Network 109
- Analyzing Cables in Windows 112
- Managing the LAN Device 114
- Viewing Driver Information 115
- Information Tab: Vital Signs 115
- Configuring the NDIS Driver 116
- Viewing Resource Information 122
- Configuring System Settings 123
- Viewing Statistics 123
- Viewing Licenses 128
- Configuring Teaming 129
- LiveLink 130
- Creating a Team 140
- Modifying a Team 142
- Adding a VLAN 143
- Deleting a VLAN 144
- Viewing BASP Statistics 145
- Troubleshooting BACS 146
- Performance Specifications 147
- Physical Characteristics 147
- Power Requirements 148
- Environmental Specifications 148
- FCC Class B Notice 149
- VCCI Class B Notice 149
- CE Notice 150
- Industry Canada, Class B 152
- Industry Canada, classe B 152
- B CLASS Device 153
- Back to Contents Page 154
- User Guide 155
- Diagnostic Test Descriptions 157
- Diagnostic Test Messages 159
- Hardware Diagnostics 161
- Troubleshooting Checklist 162
- Running a Cable Length Test 163
- Testing Network Connectivity 163
- RIPREP Utility Problem 165
- Broadcom Boot Agent 166
- Miscellaneous 167
- NetXtreme BCM57XX User Guide 168
- Step 1: Install OpenPegasus 169
- Enable Authentication 171
- Enable HTTP 171
- Enable HTTPS 171
- Uninstall 172
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