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HP Integrity rx2800 HP Integrity Network Adapter Teaming Whitepaper - Page 76

Dual Channel Configuration, Overview of Dual Channel communication

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Figure 4-21 Overview of Dual Channel communication ARP Table: 1.1.1.2 = A 1.1.1.3 = B 1.1.1.4 = C 1.1.1.5 = D Group A 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 Switch 2 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 CPQTEAM.SYS Dual Channel Team IP Address = 1.1.1.1 TCP/IP NDIS 5 Group B N100NT5.SYS MAC = F Destination MAC/Source MAC/Destination IP/Source IP F C 1.1.1.1 1.1.1.4 Destination MAC/Source MAC/Destination IP/Source IP C F 1.1.1.4 1.1.1.1 N100NT5.SYS MAC = F Destination MAC/Source MAC/Destination IP/Source IP F D 1.1.1.1 1.1.1.5 Destination MAC/Source MAC/Destination IP/Source IP D F 1.1.1.5 1.1.1.1 Switch 1 Client C IP Address = 1.1.1.4 MAC = C ARP Table: 1.1.1.1 = F 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 = F 1.1.1.2 = A 1.1.1.3 = B 1.1.1.4 = C HP Integrity Server Dual Channel Configuration Dual Channel configuration is more complicated than other team types because of the need to separate teamed ports into two groups. To create a Dual Channel team, select at least two network ports on the main NCU page and click the Team icon. Next, select Switch-assisted Dual Channel Load Balancing from the Team Type Selection drop-down box on the Teaming Controls tab. Refer to Figure 4-22. After Dual Channel is selected as the team type, the Team Membership section of the tab will change to show the Group configuration. At least one teamed port must be assigned to each group. To move teamed ports between groups, highlight the teamed port and click the up or down arrow on the right hand side of the Team Membership panel. A group in Dual Channel ONLY requires one teamed port. If only a single teamed port is put in a group, the switch does not need to be configured for Port Trunking. However, if a group has two or more teamed ports, the switch MUST be configured for Port Trunking (like SLB). Also, groups do not have to have the same number of teamed ports. For instance, Group A could have two teamed ports and Group B could have four teamed ports. Or Group A could have one teamed port and Group B could have five teamed ports. However, HP recommends that whenever a Dual Channel team is created with an even number of teamed ports, the ports should be evenly distributed between both groups. Since both Group A and Group B are used for receiving traffic, having an even amount of ports in each group ensures the maximum amount of receive throughput for the team. The minimal configuration for Dual Channel requires two teamed ports; one port in Group A and one port in Group B. Port Trunking doesn't need to be configured on the switch for either Group. This configuration provides the flexibility of a TLB team with the throughput of an SLB team. 76 The Mechanics of Teaming for the Advanced User

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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