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SAN Configuration with Access Gateway
● Connectivity of multiple devices overview.......................................................................89
● Direct target attachment..................................................................................................89
● Target aggregation..........................................................................................................91
● Access Gateway cascading............................................................................................ 92
● Fabric and Edge switch configuration............................................................................. 93
● Connectivity to Cisco fabrics........................................................................................... 94
● Rejoining Fabric OS switches to a fabric........................................................................ 95
Connectivity of multiple devices overview
This chapter describes how to connect multiple devices to a switch in Access Gateway (AG) mode, and
discusses Edge switch compatibility, target aggregation, direct target attachment, port requirements,
NPIV HBA, and interoperability. Switches in AG mode can connect to third-party fabrics with the
following firmware versions:
• Fabrics operating with M-EOSc v9.6.2 or later and M-EOSn v9.6 or later.
• Cisco fabrics that support standards-based NPIV.
Considerations for connecting multiple devices
Consider the following points when connecting multiple devices to a switch in AG mode:
• AG does not support daisy chaining when two AG devices are connected to each other in a loop
configuration.
• Loop devices and FICON channels/control unit connectivity are not supported.
• When a switch is in AG mode, it can be connected to NPIV-enabled HBAs, or F_Ports that are NPIV-
aware. Access Gateway supports NPIV industry standards per FC-LS-2 v1.4.
Direct target attachment
FCP targets can directly connect to an AG module instead of through a fabric connection, as illustrated
in the figure below.
Access Gateway Administrator's Guide
89
53-1003126-02
- 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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