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NPIV N_Port ID Virtualization. This is a Fibre Channel facility allowing multiple

N_Port IDs to share a single physical N_Port. This allows multiple Fibre

Channel initiators to occupy a single physical port, easing hardware

requirements in storage area network design, especially for virtual SANs.

Port

Grouping

(PG) policy

Port Grouping (PG) policy is used to partition the fabric, host, or target ports

within an AG-enabled module into independently operated groups.

About This Document

Access Gateway Administrator's Guide 13

53-1003126-02

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 103 104

Access Gateway 1
Contents 3
Document conventions 7
Notes, cautions, and warnings 8
Brocade resources 9
Document feedback 10
About This Document 11
Key terms for Access Gateway 12
Access Gateway Basic Concepts 15
Virtual Fabrics support 21
Device authentication support 21
Supported Fabric OS commands 22
Password distribution support 23
Access Gateway port types 24
Port state description 28
Access Gateway mapping 29
Default port mapping 30
Adding F_Ports to an N_Port 35
F_Port Static Mapping 36
Device mapping 37
Static versus dynamic mapping 40
Device mapping to N_Ports 42
Disabling device mapping 42
Enabling device mapping 43
Pre-provisioning 43
Configuring device mapping 44
Mapping priority 45
Device mapping considerations 45
N_Port configurations 46
Unlocking N_Ports 47
Persisting port online state 47
D_Port support 48
Saving port mappings 49
Displaying current policies 51
How the ADS policy works 52
Allow lists 53
ADS policy considerations 55
How the APC policy works 55
Port Grouping policy 56
How port groups work 57
Removing a port group 58
Renaming a port group 59
Port Grouping policy modes 59
Rebalancing F_Ports 60
Enabling MFNM mode 61
Disabling MFNM mode 61
Device Load Balancing policy 62
Persistent ALPA policy 63
Persistent ALPA device data 64
Failover policy 65
Failover with port mapping 66
FIGURE 11 Failover behavior 67
Failover with device mapping 69
Failback policy 71
Failback example 72
FIGURE 12 Failback behavior 73
How trunking works 75
Trunk group creation 76
Setting up trunking 76
Trunk area assignment example 76
Assigning a trunk area 76
Enabling trunking 77
Disabling F_Port trunking 78
Monitoring trunking 78
QoS: Ingress rate limiting 82
Per-Port NPIV login limit 84
Performance Monitoring 85
End-to-end monitors 86
Frame monitors 86
Direct target attachment 89
Target aggregation 91
Access Gateway cascading 92
Verifying the switch mode 93
Connectivity to Cisco fabrics 94
Troubleshooting 97
53-1003126-02 100

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