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HP 316095-B21 FW 08.01.00 McDATA EFCM Basic User Manual (620-000240-000, Novem - Page 79

Configuring Preferred Paths, Unresolved Congestion Event Notification, Backpressure Event

UPC - 808736488280

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Configuring Preferred Paths Configuring Performance Parameters 3 3. Unresolved congestion occurs when a flow cannot be rerouted to another link because it would exceed the other link's threshold. Select the Unresolved Congestion Event Notification check box to enable unresolved congestion event notification. If enabled, an unresolved congestion entry is made in the event log and, if SNMP is configured, an SNMP trap is generated. To disable this function, clear the check box. 4. Backpressure occurs when the threshold of unavailable BB_Credits is exceeded for any link. Select the Backpressure Event Notification check box to enable backpressure event notification. If enabled, a backpressure entry is made in the event log and, if SNMP is configured, an SNMP trap is generated. To disable this function, clear the check box. 5. Specify a value for the Low BB Credit Threshold parameter, if desired. The system monitors the percentage of time that the port experiences no transmit BB_Credits on the link. The link cannot transmit without BB_Credits. When the threshold is exceeded, the system reroutes flows away from the ISL that is experiencing this problem. This threshold is also used to prevent rerouting of traffic to an ISL that is experiencing a low BB_Credit threshold condition. Select the Default check box to specify that the default threshold value of 10% should be used rather than the value in the % entry field. This parameter must be a value in the range 1 to 99, if the Default check box is cleared. 6. Specify a load-balancing threshold value in the Threshold field for each port, if desired. Use this field to configure the value of the load-balancing threshold for each port. When this threshold is exceeded, the open trunking functionality offloads some of the traffic to another ISL. Select the Use Def Threshold check box to specify that default threshold value of 10% should be used rather than the value in the Threshold field. The Threshold must be a value in the range 1 to 99, if the Use Def Threshold check box for the port is cleared. The preferred path feature enables you to prioritize ISLs for a selected port on the switch. The preferred path capability customizes the static load-balancing function by enabling you to specify an ISL preference for each remote domain. Preferred Path, however, is still subject to the standard Fabric Shortest Path First (FSPF) requirements, which allow the firmware to override the configuration setting if errors are encountered. Configuring the Product 3-27

Section	Page
Cover	1
Preface	15
Introduction	19
Overview	19
Using the EFCM Basic Interface to Perform Tasks	20
Benefits	22
Key Terms	23
Fabric	23
Storage Area Network (SAN)	23
Zone (Zoning)	23
Zone Member	23
Zone Set	23
Suggested Reading	24
Where to Start	24
Starting the EFCM Basic Interface	25
Using the EFCM Basic User Interface	28
Navigational Tools of the EFCM Basic Page	29
Licensed Features	31
Viewing Product Information	33
Opening the Hardware Page	33
Front View and Rear View	34
Product Information	35
Viewing the Port List	36
Port List	37
Port Information	39
Health Status Information	41
Transceiver Information	42
Viewing the FRU List	43
Viewing Operating Parameters	44
Viewing the Node List	46
Viewing Performance Information	47
Using the Performance Page	47
Parts of Statistics Tables	47
Port Utilization Percentages and Error Totals	48
Traffic Statistics	48
Error Statistics	49
Class 2 Statistics	51
Class 3 Statistics	51
Open Trunking Statistics	51
Configuring the Product	53
Factory Default Values	54
Configuring Ports	54
Configuring Basic Port Information	54
Configuring Port Rx BB_Credits	57
Configuring NPIV	59
Configuring Switch Information	61
Configuring Switch Identification	61
Configuring Switch Date and Time	62
Configuring Switch Parameters	63
Configuring Fabric Parameters for the Switch	66
Configuring Network Parameters for the Switch	68
Configuring SNMP	70
Configuring CLI and SSH	71
Configuring OSMS and Host Control	72
Configuring SSL	73
Zoning	76
Configuring Performance Parameters	77
Configuring Open Trunking	77
Configuring Preferred Paths	79
Configuring Port Fencing	82
Setting a Switch Online and Offline	84
Enabling and Disabling Software	85
Enabling and Disabling the CLI	85
Upgrade Options	86
Configuring Zoning	87
Understanding Zoning	87
Controlling Access Across a Fabric	88
Controlling Access at the Switch	91
Controlling Access at the Server or Storage Device	91
Zoning Concepts	92
Merging Zoned Fabrics	97
Using The Zoning Page	99
Creating and Modifying a Zone	100
Create a New Zone	100
Add Zones Members to a Zone	101
Remove Zone Members from a Zone	102
Save the Zone to the Zone Set	102
Rename a Zone	102
Configuring the Zone Set	103
Create a Zone Set	103
Name and Rename a Zone Set	104
Add Zones to the Zone Set	104
Delete Zones From the Zone Set	105
Change a Zone that is in the Zone Set	105
Activate and Cancel the Zone Set Changes	105
Deactivate the Active Zone Set	106
State of the Default Zone	106
Configuring Security	107
Defining Authentication Settings	107
Configuring User Authentication	108
Adding, Editing, and Deleting User Names	108
Defining User Properties	110
Defining Authentication Settings for the Product	111
User Accounts with RADIUS Server	111
Configuring Software Authentication	112
Defining Which Software Is Authenticated	112
Configuring Software Authentication Properties	114
Configuring Out-of-Band Settings	114
Configuring OSMS Settings	115
Configuring Device Authentication	116
Defining the CHAP Secret of the Product	117
Defining Port Authentication Sequences	117
Configuring Authentication Devices	118
Applying a CHAP Secret to the Device	118
Adding a Device to the Authentication Devices List	119
Removing a Device from the Authentication Devices List	119
Configuring Port Authentication	120
Configuring the IP Access Control List	121
Setting the IP ACL State	122
Adding New Members to the List	122
Editing the List	123
Deleting Members from the List	123
Configuring the RADIUS Server	124
Add an Entry to the RADIUS Server List	125
Edit an Entry on the RADIUS Server List	126
Delete an Entry from the RADIUS Server List	126
Configure Priority of the RADIUS Servers	126
Configuring the Dead Time Parameter	127
Enabling the Enterprise Fabric Mode	128
Features and Parameters Enabled with Enterprise Fabric Mode	128
Configuring Fabric Binding	131
Enable, Disable, and Online State Functions	132
Identify Fabric Binding Status	133
Load the Current Fabric to the FBML	133
Add Members to the FBML	133
Delete Members from the FBML	133
Activate Fabric Binding	134
Deactivate Fabric Binding	134
Configuring Switch Binding	135
Enable, Disable and Online State Functions	136
Define Switch Binding State	137
Adding Members to the SBML	137
Removing Members from the SBML	138
Configuring Port Binding	139
Enabling and Disabling Safe Zoning Mode	140
Upgrade Options	141
Viewing System Logs	143
Viewing the Event Log	144
Error Event Code Categories	145
Viewing the Link Incident Log	146
Viewing the Audit Log	148
Viewing the Security Log	150
Viewing the Open Trunking Re-Route Log	152
Viewing the Fabric Log	154
Viewing the Embedded Port Frame Log	156
Defining Filtering Settings	157
Viewing All Logs	158
Viewing Syslog Configuration	160
Enable and Disable Syslogs	161
Add a Syslog Recipient	161
Edit a Syslog Recipient	162
Delete Syslog Recipients	162
Specify Which Logs Are Sent to a Recipient	162
Performing Product Maintenance	163
Switch Maintenance Tasks	164
Set the Product Online State	164
Set the Unit Beaconing State	165
Clear System Error Lights	165
Perform a System Configuration Reset	165
Setting Individual Port Beaconing	167
Resetting Ports	168
Performing Diagnostics on a Port	169
Accessing System Files	171
Retrieve the Dump File	171
Create the Data Collection File	172
Configuration Backup	173
Configuration Restoration	174
Upgrading Firmware	175
Activating Optional Features	176
Viewing Product Information	177
Enabling and Disabling Unit Beaconing	179
Clearing the System Error Light	180
HA Power Supplies	180
Upgrade Options	180
Using the Fabric View	181
Overview of the Fabric View	181
Fabric View Elements	181
Fabric Tree	182
Product Boxes	183
Software Upgrade and Feature Installation	185
Adding Licensed Features	186
Licensed Features	187
Entering a Feature Key	187
Upgrading Your SAN Management System	189
Differences Between EFCM Basic and other McDATA Products	189
Enterprise Fabric Connectivity Manager	189
SANavigator	190
Features and Functions	191
Management Features Provided by EFCM and/or SANavigator	192
Configuring the Product	192
Maintaining the Product	192
Monitoring System Performance	193
Error Messages	195
Glossary	259
A	260
B	262
C	264
D	268
E	270
F	272
G	276
H	277
I	279
K	282
L	282
M	284
N	286
O	288
P	289
R	292
S	293
T	298
U	299
V	301
W	301
X	302
Z	302
Index	305
Symbols	305
A	305
B	305
C	305
D	306
E	306
F	307
G	307
H	307
I	307
K	308
L	308
M	308
N	308
O	308
P	309
R	309
S	310
T	310
U	311
V	311
W	311

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Configuring the Product

3-27

Configuring Performance Parameters

Unresolved congestion occurs when a flow cannot be rerouted to

another link because it would exceed the other link's threshold.

Select the

Unresolved Congestion Event Notification

check box to

enable unresolved congestion event notification. If enabled, an

unresolved congestion entry is made in the event log and, if

SNMP is configured, an SNMP trap is generated. To disable this

function, clear the check box.

Backpressure occurs when the threshold of unavailable

BB_Credits is exceeded for any link. Select the

Backpressure Event

Notification

check box to enable backpressure event notification. If

enabled, a backpressure entry is made in the event log and, if

SNMP is configured, an SNMP trap is generated. To disable this

function, clear the check box.

Specify a value for the

Low BB Credit Threshold

parameter, if

desired. The system monitors the percentage of time that the port

experiences no transmit BB_Credits on the link. The link cannot

transmit without BB_Credits. When the threshold is exceeded, the

system reroutes flows away from the ISL that is experiencing this

problem. This threshold is also used to prevent rerouting of

traffic to an ISL that is experiencing a low BB_Credit threshold

condition. Select the

Default

check box to specify that the default

threshold value of 10% should be used rather than the value in

the % entry field. This parameter must be a value in the range 1 to

99, if the

Default

check box is cleared.

Specify a load-balancing threshold value in the

Threshold

field for

each port, if desired. Use this field to configure the value of the

load-balancing threshold for each port. When this threshold is

exceeded, the open trunking functionality offloads some of the

traffic to another ISL. Select the

Use Def Threshold

check box to

specify that default threshold value of 10% should be used rather

than the value in the

Threshold

field. The

Threshold

must be a value

in the range 1 to 99, if the

Use Def Threshold

check box for the port

is cleared.

Configuring

Preferred Paths

The preferred path feature enables you to prioritize ISLs for a

selected port on the switch. The preferred path capability customizes

the static load-balancing function by enabling you to specify an ISL

preference for each remote domain. Preferred Path, however, is still

subject to the standard Fabric Shortest Path First (FSPF)

requirements, which allow the firmware to override the

configuration setting if errors are encountered.