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HP Integrity rx2800 HP Integrity Network Adapter Teaming Whitepaper - Page 69

Network Addressing and Communication with SLB, SLB Outbound Load-Balancing Algorithms, with TLB

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TCP/IP NDIS 5 CPQTEAM.SYS SLB Team IP Address = 1.1.1.1 Ethernet Figure 4-17 Overview of SLB communication ARP Table: 1.1.1.2 = A 1.1.1.3 = B 1.1.1.4 = C 1.1.1.5 = D N100NT5.SYS MAC = E Destination MAC/Source MAC/Destination IP/Source IP E A 1.1.1.1 1.1.1.2 Destination MAC/Source MAC/Destination IP/Source IP A E 1.1.1.2 1.1.1.1 N100NT5.SYS MAC = E Destination MAC/Source MAC/Destination IP/Source IP E B 1.1.1.1 1.1.1.3 Destination MAC/Source MAC/Destination IP/Source IP B E 1.1.1.3 1.1.1.1 N100NT5.SYS MAC = E Destination MAC/Source MAC/Destination IP/Source IP E C 1.1.1.1 1.1.1.4 Destination MAC/Source MAC/Destination IP/Source IP C E 1.1.1.4 1.1.1.1 N100NT5.SYS MAC = E Destination MAC/Source MAC/Destination IP/Source IP E D 1.1.1.1 1.1.1.5 Destination MAC/Source MAC/Destination IP/Source IP D E 1.1.1.5 1.1.1.1 HP Integrity Server Client A IP Address = 1.1.1.2 MAC = A ARP Table: 1.1.1.1 = E 1.1.1.3 = B 1.1.1.4 = C 1.1.1.5 = D Client B IP Address = 1.1.1.3 MAC = B ARP Table: 1.1.1.1 = E 1.1.1.2 = A 1.1.1.4 = C 1.1.1.5 = D Client C IP Address = 1.1.1.4 MAC = C ARP Table: 1.1.1.1 = E 1.1.1.2 = A 1.1.1.3 = B 1.1.1.5 = D Client D IP Address = 1.1.1.5 MAC = D ARP Table: 1.1.1.1 = E 1.1.1.2 = A 1.1.1.3 = B 1.1.1.4 = C Unlike NFT and TLB, SLB does not utilize the concepts of Primary and Non-Primary ports within a team. All ports within a team are considered equal and perform identical functions as long as the particular port is in a functioning state. The algorithm for load-balancing transmit traffic used by SLB is identical to the algorithm used by TLB. Unlike TLB, SLB load balances all traffic regardless of the protocol being used. Network Addressing and Communication with SLB SLB functions identically to TLB (refer to the section, "Network Addressing and Communication with TLB", and the scenarios described in that section) except in its use of MAC addresses. SLB requires a switch capable of grouping multiple switch ports as a single switch port and SLB teaming uses the same source MAC address for all frames transmitted on all teamed ports in the same team. This does not violate IEEE standards because the switch is fully aware of the port groupings and expects that all teamed ports may transmit using the same source MAC address. SLB Outbound Load-Balancing Algorithms The algorithms for load balancing transmit traffic used by SLB is identical to the algorithms used by TLB [see the section, "Transmit Load Balancing Methods (Algorithms)"]. SLB Inbound Load-Balancing Algorithm The switch connected to the SLB team determines which load-balancing algorithm is used to load balance receive traffic for the team. An SLB team does not control which teamed port in the team receives the incoming traffic. Only the switch can choose which teamed port to use to send the traffic to the server. Therefore, consult the switch manufacturer to determine the algorithm the switch uses. Types of HP Integrity Network Adapter Teams 69

Section	Page
Network Adapter Teaming White Paper	1
Table of Contents	3
1 Introduction	9
Abstract	9
How to Read This Document	9
Section Layout	9
2 An Executive Overview of Teaming	11
What is HP Integrity Network Adapter Teaming?	11
The Goals of HP Integrity Network Adapter Teaming	11
Fault Tolerance: Self-Healing Network Connectivity	11
Load Balancing: RAID 5 for Server Network Adapters	12
Why HP Integrity Network Adapter Teaming?	13
3 Teaming Fundamentals for the First-Time User	15
A Technical Overview of HP Integrity Network Adapter Teaming	15
Fault Tolerance: Dual Homing or Network Adapter Teaming?	15
Load Balancing: Server-Based Routing Protocol or NIC Teaming?	17
Overview of Team Types	17
Network Fault Tolerance Only (NFT)	18
Network Fault Tolerance Only with Preference Order	18
Transmit Load Balancing with Fault Tolerance (TLB)	19
Transmit Load Balancing with Fault Tolerance and Preference Order	19
Switch-assisted Load Balancing with Fault Tolerance (SLB)	19
802.3ad Dynamic with Fault Tolerance	19
Switch-assisted Dual Channel Load Balancing	19
802.3ad Dynamic Dual Channel Load Balancing	20
Automatic	20
How to Choose the Best Team Type	20
Basic Teaming Versus Advanced Teaming	22
Basic Deployment Steps for HP Integrity Network Adapter Teaming	23
Download	23
Install	23
Launch	23
Overview of the HP Network Configuration Utility	23
NCU Main Page	24
Primary Actions from the NCU Main Page	24
Team Properties Page	24
Team Properties Page Tabs	25
Adapter Properties Page	25
Adapter Properties Page Tabs	25
Getting Started	26
Example Deployment of Basic Teaming	26
Example Deployment of Advanced Teaming	26
4 The Mechanics of Teaming for the Advanced User	29
Section Objectives and Prerequisites	29
Architecture of HP Integrity Networking Adapter Teaming	29
The “Networking Layers” of an Operating System	29
Teaming Software Components	30
Network Adapter Miniport Driver	30
Teaming Intermediate Driver	30
HP Network Configuration Utility	30
HP Teaming and Layer 2 Versus Layer 3 Addresses	30
Types of HP Integrity Network Adapter Teams	31
Network Fault Tolerance Only (NFT)	31
Network Addressing and Communication with NFT	32
Scenario 4–A: A Device Pings an NFT Team on the Same Layer 2 Network	32
NFT Redundancy Mechanisms	34
Basic Redundancy Mechanisms	34
Advanced Redundancy Mechanisms	37
Active Path	37
General Description of Active Path Operation	38
Active Path Configuration	45
Fast Path	47
General Description of Fast Path Operation	51
Fast Path Configuration	52
Redundancy Mechanism Priority	54
Redundancy Mechanism Comparison Chart	54
Failover Events	55
NFT Network Adapter Failure Recovery	56
NFT Applications	56
Recommended Configurations for NFT Environments	57
Network Fault Tolerance Only with Preference Order	57
NFT with Preference Order Applications	57
Transmit Load Balancing with Fault Tolerance (TLB)	57
Network Addressing and Communication with TLB	58
Scenario 4–B: A Device Pings a TLB Team on the Same Layer 2 Network	58
Transmit Load Balancing Methods (Algorithms)	60
TLB Automatic Method	61
TLB TCP Connection Method	62
TLB Destination IP Address Method	62
Scenario 4-C: A TLB Team Using IP Address-Based Load Balancing	63
TLB Destination MAC Address Method	64
Scenario 4-D: A TLB Team Using Destination MAC Address Load-Balancing Method	65
TLB Round Robin Method for Outbound Load Balancing	66
TLB Redundancy Mechanisms	67
TLB Network Adapter Failure Recovery	67
TLB Applications	67
Recommended Configurations for TLB Environments	67
Transmit Load Balancing with Fault Tolerance and Preference Order	68
Transmit Load Balancing with Fault Tolerance and Preference Order Applications	68
Switch-Assisted Load Balancing with Fault Tolerance (SLB)	68
Network Addressing and Communication with SLB	69
SLB Outbound Load-Balancing Algorithms	69
SLB Inbound Load-Balancing Algorithm	69
Cisco EtherChannel	70
Switch Vendor Port Trunking Technology Supported by SLB	71
SLB Redundancy Mechanisms	72
SLB Network Adapter Failure Recovery	72
SLB Applications	72
Recommended Configurations for SLB Environments	72
802.3ad Dynamic with Fault Tolerance	73
Switch-assisted Dual Channel Load Balancing	73
Dual Channel Configuration	76
Dual Channel Transmit Balancing Algorithm	77
Dual Channel Receive Load-Balancing Algorithm	77
Receive Load Balancing on a Per-Port Trunk Basis	77
Receive Load Balancing on Multiple Trunks	77
Dual Channel Redundancy Mechanisms	78
Basic Redundancy Mechanisms	78
Advanced Redundancy Mechanisms	78
Dual Channel Network Adapter Failure Recovery	78
Dual Channel Applications	78
Recommended Configurations for Dual Channel Environments	78
802.3ad Dynamic Dual Channel Load Balancing	79
802.3ad Dynamic Dual Channel Configuration	79
Automatic	79
Team Types and Redundancy Mechanisms Interoperation	79
Team Type and Redundancy Mechanisms Compatibility Chart	79
Mechanism Priority	80
Team Status and Icons	81
Network Adapter Teamed Status	81
Team State	83
Team Icons	83
HP Integrity Network Adapter Teaming and Advanced Networking Features	84
Checksum Offloading	84
802.1p QoS Tagging	84
Large Send Offload (LSO)	84
Maximum Frame Size (Jumbo Frames)	84
802.1Q Virtual Local Area Networks (VLAN)	85
4–7 HP Integrity Network Adapter Teaming Configuration and Deployment with Integrity Essentials Rapid Deployment Pack (RDP)	86
5 Teaming Feature Matrix	87
A – Overview of Network Addressing and Communication	89
Layer 2 Versus Layer 3	89
Address – Unicast Versus Broadcast Versus Multicast	89
Example Scenarios of Network Addressing and Communication	89
Scenario A-1: One Device Pings Another on the Same Layer 2 Network	90
Scenario A-2: One Device Pings Another on a Different Layer 2 Network	91
B – Frequently Asked Questions	95
C – Overview of Utilities Included with HP Integrity Network Adapter Teaming	99

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