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HP StorageWorks 8/80 Brocade Access Gateway Administrator's Guide v6.2.0 (53-1 - Page 35

Enabling the Failback policy, ag --failbackshow 13

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Failback policy 2 Example 3 Hosts Host_1 Host_2 Host_3 Host_4 Host_5 Host_6 Access Gateway F_1 N_1 F_2 N_2 F_3 F_4 N_3 F_5 N_4 F_6 Edge Switch (Switch_A) F_A1 NPIV enabled F_A2 NPIV enabled Edge Switch (Switch_B) F_B1 NPIV enabled F_B2 NPIV enabled Fabric Host_7 F_7 Host_8 F_8 FIGURE 5 Failback policy behavior Legend Physical connection Mapped online Failover route online Original mapped route (offline) Enabling the Failback policy 1. Connect to the switch and log in as admin. 2. Enter the ag --failbackshow command with the n_portnumber operand to display the failover setting. switch:admin> ag --failbackshow 13 Failback on N_Port 13 is not supported 3. Enter the ag --failbackenable command with the n_portnumber operand to enable failover. switch:admin> ag --failbackenable 13 Failback policy is enabled for port 13 Disabling the Failback policy 1. Connect to the switch and log in as admin. 2. Enter the ag --failbackshow command with the n_portnumber operand to display the failback setting. switch:admin> ag --failbackshow 13 Failback on N_Port 13 is supported 3. Enter the ag --failbackdisable command with the n_portnumber operand to disable failover. switch:admin> ag --failbackdisable 13 Access Gateway Administrator's Guide 17 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

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Access Gateway Administrator’s Guide

53-1001189-01

Failback policy

FIGURE 5

Failback policy behavior

Enabling the Failback policy

Connect to the switch and log in as admin.

Enter the

failbackshow

command with the

n_portnumber

operand to display the failover

setting.

switch:admin>

ag --failbackshow 13

Failback on N_Port 13 is not supported

Enter the

failbackenable

command with the

n_portnumber

operand to enable failover.

switch:admin>

ag --failbackenable 13

Failback policy is enabled for port 13

Disabling the Failback policy

Connect to the switch and log in as admin.

Enter the

failbackshow

command with the

n_portnumber

operand to display the failback

setting.

switch:admin>

ag --failbackshow 13

Failback on N_Port 13 is supported

Enter the

failbackdisable

command with the

n_portnumber

operand to disable failover.

switch:admin>

ag --failbackdisable 13

F_A2

Hosts

Access Gateway

Edge Switch

Fabric

(Switch_A)

enabled

NPIV

F_4

F_3

F_2

F_1

N_1

F_A1

enabled

NPIV

N_3

F_B1

enabled

NPIV

Host_1

Host_2

Host_3

Host_4

F_5

Host_5

F_6

Host_6

F_7

Host_7

F_8

Host_8

Edge Switch

(Switch_B)

N_4

F_B2

enabled

NPIV

N_2

Legend

Physical connection

Mapped online

Failover route online

Original mapped route

(offline)

Example 3