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HP StorageWorks 8/80 Brocade Access Gateway Administrator's Guide v6.2.0 (53-1 - Page 23

How Access Gateway maps ports

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How Access Gateway maps ports 1 Table 2 shows a comparison of port configurations with AG to a standard fabric switch. TABLE 2 Port Type Port configurations Access Gateway Fabric switch F_Port N_Port E_Port Yes Connects hosts and targets to Access Gateway. Yes Connects devices, such as hosts, HBAs, and storage to the fabric. Yes Connects Access Gateway to a fabric NA N_Ports are not supported. switch. NA ISL is not supported.1 Yes Connects the switch to other switches to form a fabric. 1. The switch is logically transparent to the fabric, therefore it does not participate in the SAN as a fabric switch. How Access Gateway maps ports Access Gateway uses mapping-that is, pre-provisioned routes-to direct traffic from the hosts to the fabric. When you first enable a switch to AG mode, by default, the F_Ports are mapped to a set of predefined N_Ports. For the default F_Port-to-N_Port mapping, see Table 11 on page 53. If required, you can manually change the default mapping. Figure 3 shows a mapping with eight F_Ports evenly mapped to four N_Ports on a switch in AG mode. The N_Ports connect to the same fabric through different Edge switches. Hosts Host_1 Host_2 Host_3 Access Gateway F_1 N_1 F_2 N_2 F_3 Edge Switch (Switch_A) F_A1 NPIV enabled F_A2 NPIV enabled Fabric Host_4 F_4 Host_5 F_5 Host_6 F_6 N_3 N_4 Edge Switch (Switch_B) F_B1 NPIV enabled F_B2 NPIV enabled Host_7 F_7 Host_8 F_8 FIGURE 3 Example F_Port-to-N_Port mapping Access Gateway Administrator's Guide 5 53-1001189-01

Section	Page
About This Document	13
How this document is organized	13
Supported hardware and software	13
What’s new in this document	14
Document conventions	14
Text formatting	14
Command syntax conventions	14
Notes, cautions, and warnings	15
Key terms	15
Notice to the reader	16
Additional information	16
Brocade resources	17
Other industry resources	17
Optional Brocade features	17
Getting technical help	17
Document feedback	18
Getting Started	19
In this chapter	19
Brocade Access Gateway	19
Fabric OS features in Access Gateway mode	20
Access Gateway port types	22
Comparison of Access Gateway ports to standard switch ports	22
How Access Gateway maps ports	23
Access Gateway limitations	24
Upgrade and downgrade considerations for switches in AG mode	24
Advance Device Security policy	25
Automatic Port Configuration policy	25
Port Grouping policy	25
Enabling Policies on Switches in Access Gateway Mode	27
In this chapter	27
Access Gateway policies	27
Showing current policies	27
Advanced Device Security policy	28
Enabling the Advanced Device Security policy	28
Disabling the Advanced Device Security policy	28
Setting which devices can log in if ADS policy is enabled	28
Setting which devices cannot log in if ADS policy is enabled	29
Removing devices from the list of devices allowed at login	29
Adding new devices to the list of devices allowed at login	29
Displaying the list of devices on the switch	30
Automatic Port Configuration policy	30
Enabling the Automatic Port Configuration policy	31
Disabling the Automatic Port Configuration policy	31
Rebalancing F_Ports with APC policy enabled	31
Failover policy	32
Enabling the Failover policy	33
Disabling the Failover policy	34
Failback policy	34
Enabling the Failback policy	35
Cold Failover policy	36
Port Grouping policy	36
Creating a port group	38
Adding an N_Port to a port group	38
Deleting an N_Port from a port group	38
Removing a port group	39
Renaming a port group	39
Disabling the Port Group policy	39
Access Gateway policy enforcement matrix	40
Access Gateway trunking	40
Access Gateway trunking considerations for the Edge switch	41
Trunk group creation	44
Setting up F_Port trunking	44
Assigning a Trunk Area	45
Enabling the DCC policy on trunk	46
Configuration management for trunk areas	46
Enabling Access Gateway trunking	46
Disabling F_Port trunking	48
F_Port Trunking monitoring	48
Access Gateway Cascading	48
Connecting Devices Using Access Gateway	51
In this chapter	51
Connectivity of multiple devices overview	51
Fabric and Edge switch configuration	51
Verifying the switch mode	52
Setting the Fabric OS switch to Native Mode	53
Enabling NPIV on the M-EOS switch	53
Connectivity to Cisco Fabrics	53
Access Gateway routing requirements with Cisco fabrics	54
Enabling NPIV on a Cisco switch	54
Workaround for QLogic-based devices	55
Editing Company ID List if no FC target devices on switch	55
Adding or deleting an OUI from the Company ID List	56
Enabling Flat FCID mode if no FC target devices on switch	57
Editing Company ID list if target devices on switch	57
Access Gateway mode	58
Enabling Access Gateway mode	58
Port States	59
Disabling Access Gateway mode	60
Saving the Access Gateway configuration	60
Rejoining switches to a fabric	61
Reverting to a previous configuration	61
Configuring Ports in Access Gateway mode	63
In this chapter	63
Port Initialization in Access Gateway mode	63
N_Ports	64
Unlocking N_Ports	65
Displaying N_Port configurations	66
Verifying port mapping and status	66
Displaying N_Port mapping	67
Displaying port status	67
Port configurations	68
Adding F_Ports to an N_Port	68
Removing F_Ports from an N_Port	69
Adding a preferred secondary N_Port	70
Deleting F_Ports from a preferred secondary N_Port	70
Troubleshooting	75