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Web Tools Administrator’s Guide 233
Publication Number: 53-1000435-01
General Web Tools limitations
19
Loss of Connection Occasionally, you might see the following message when you try to retrieve data from
the switch or send a request to the switch:
Switch Status Checking
The switch is not currently accessible.
The dialog title may vary, because it indicates which module is having the problem.
This is caused by the loss of HTTP connection with the switch, due to a variety of
possible problems. Web Tools will automatically try to regain the connection. While Web
Tools is trying to regain the connection, check if your Ethernet connection is still
functioning. If the problem is not with the Ethernet connection, wait for Web Tools to
recover the connection and display the following message:
You will have to resubmit your request after closing this message.
If the temporary switch connection loss is caused by switch hot code load, or other
similar operation, Switch Explorer you are currently running can be downloaded from a
different firmware version than the new one. In this case the following message
displays:
Switch connection is restored. The firmware version you are running is not in sync with
the version currently on switch. Close your browser and re-launch Webtools.
You need to close Switch Explorer and relaunch Web Tools to reopen the connection.
Out of Memory Errors If you are managing fabrics with more than 10 switches or more than 1000 ports, or if
you are using the iSCSI Gateway module extensively, you might encounter
out-of-memory errors such as the following:
java.lang.OutOfMemoryError: Java heap space
To avoid this problem, increase the default heap size in the Java Control Panel. See
“Configuring the Java plug-in” on page 4 for instructions.
Performance Monitor If the Web browser crashes or the Performance Monitor license is lost while the
Performance Monitoring window is running, some of the Performance Monitor
resources owned by Web Tools might not be cleaned up correctly.
Workaround: You might need to use the CLI to manually delete these counters. For
example, if you detect Web Tools owned resources (using perfshoweemonitor), but you
have verified that no Web users are actually using them, use the perfdeleemonitor or
perfcleareemonitor command to free the resources.
Performance Monitor For SCSI Read, Write, or Read/Write on a LUN per Port graphs, Fabric OS 4.1.0 (and
later 4.x versions) allows you to enable only two bytes or less for the LUN value mask
setting. Fabric OS 3.1 (and later 3.x versions) allows up to three bytes. Web Tools
displays an error message if you exceed this limit.
Workaround: There is no workaround.
Performance Monitor For Brocade 24000 and 48000 directors, while monitoring the performance, if one or
all the blades turn Faulty or if they are powered off or on, then the behavior of various
monitoring graphs is as follows:
The Switch Aggregate and Blade Aggregate graphs will freeze without any updates
(about the traffic).
Workaround: Close and relaunch the graphs.
The Switch Throughput Utilization, Switch Percent Utilization, and Port Snapshot Error
graphs will show the faulty/powered off slot node in the Y-Axis of the graph.
Workaround: Launch any port selection dialog and load the graphs accordingly.
Refresh option in
browsers
When a pop-up window requesting a user response is pushed into the background and
a refresh is requested, a fatal Internet Explorer error might occur.
Workaround: Restart the browser.
TABLE 14 Web Tools limitations (Continued)
Area Details
- Web Tools 1
- Document History 3
- Contents 5
- Chapter 5 Managing Your Ports 7
- Chapter 16 Routing Traffic 10
- Chapter 19 Limitations 11
- About This Document 13
- What’s new in this document 15
- Document conventions 16
- Additional information 17
- OPTIONAL BROCADE FEATURES 19
- Getting technical help 20
- Document feedback 21
- Introducing Web Tools 23
- Configuring Internet Explorer 24
- Configuring the Java plug-in 26
- FIGURE 2 Java Control Panel 27
- Launching Web Tools 30
- Administrative domains 31
- ADMIN DOMAINS AND LOGIN 32
- Role-Based access control 33
- Session management 34
- FIGURE 7 Login dialog box 35
- LOGGING OUT 36
- REQUIREMENTS FOR IPV6 SUPPORT 37
- Using the Web Tools Interface 39
- FIGURE 10 Switch Explorer 40
- FABRIC TREE 41
- ADMIN DOMAIN CONTEXT 42
- SWITCH VIEW BUTTONS 43
- SWITCH VIEW 43
- Port representations 43
- Displaying tool tips 44
- Refresh rates 46
- DISABLED FUNCTIONALITY 48
- Managing Fabrics and Switches 51
- Opening the telnet window 53
- FIGURE 16 Network tab 54
- Filtering IP Addresses 56
- Managing blades 56
- ENABLE OR DISABLE A BLADE 57
- Set IP address 57
- View IP addresses 58
- Configuring a switch 59
- CHANGING THE SWITCH DOMAIN ID 60
- Rebooting the switch 61
- Managing licensed features 65
- FIGURE 22 License tab 66
- INITIATING A CP FAILOVER 69
- Monitoring events 70
- DISPLAYING FABRIC EVENTS 71
- DISPLAYING SWITCH EVENTS 72
- FIGURE 29 Name Server window 76
- Maintaining configurations 79
- RESTORING A CONFIGURATION 81
- Managing Your Ports 85
- Configuring ports 89
- Allowed Port Types 90
- Long distance mode 91
- FC Fastwrite 91
- CONFIGURING FCIP PORTS 91
- Assigning a name to a port 92
- Enabling and disabling a port 93
- Activating ports 95
- Swapping port index 97
- Administering ISL Trunking 99
- • Master port 100
- • Member ports 100
- In this chapter 103
- About administrative domains 103
- USER-DEFINED ADMIN DOMAINS 104
- SYSTEM-DEFINED ADMIN DOMAINS 104
- AD255 or physical fabric 104
- ADMIN DOMAIN MEMBERSHIP 105
- Using the Admin Domain window 106
- REFRESHING FABRIC INFORMATION 109
- FIGURE 44 Summary view 112
- ADDING AND REMOVING MEMBERS 113
- RENAMING ADMIN DOMAINS 115
- DELETING ADMIN DOMAINS 115
- Administering Zoning 117
- Zoning and admin domains 118
- Configuring zoning 118
- ATTENTION 120
- SAVING LOCAL ZONING CHANGES 122
- ZONING VIEWS 123
- Managing zone aliases 124
- RENAMING ZONE ALIASES 125
- DELETING ZONE ALIASES 125
- Managing zones 126
- RENAMING ZONES 127
- Managing zone configurations 128
- CREATING ZONE CONFIGURATIONS 129
- RENAMING ZONE CONFIGURATIONS 130
- COPYING ZONE CONFIGURATIONS 131
- DELETING ZONE CONFIGURATIONS 131
- ENABLING ZONE CONFIGURATIONS 131
- DISABLING ZONE CONFIGURATIONS 132
- Managing the zoning database 136
- SEARCHING FOR ZONE MEMBERS 137
- CLEARING THE ZONING DATABASE 138
- USING ZONING WIZARDS 138
- Replacing offline devices 140
- Defining device aliases 140
- Best practices for zoning 141
- Monitoring Performance 143
- PREDEFINED PERFORMANCE GRAPHS 144
- Graph Type Displays 145
- USER-DEFINED GRAPHS 147
- CANVAS CONFIGURATIONS 148
- • Switch Percent Utilization 149
- • Port Snapshot Error 149
- CREATING SCSI COMMAND GRAPHS 153
- Managing performance graphs 154
- ADDING GRAPHS TO A CANVAS 155
- PRINTING GRAPHS 155
- MODIFYING GRAPHS 156
- About fibre channel routing 157
- MCDATA INTEROPERABILITY 158
- Setting up FC-FC routing 159
- • Brocade 7500 switch 160
- • Rename an EX_Port 162
- VIEWING LSAN DEVICES 165
- Managing trace dumps 169
- HOW A TRACE DUMP IS USED 170
- Displaying switch information 171
- FIGURE 65 Fan States window 172
- FIGURE 67 Power Status window 174
- - Customize the report 175
- Interpreting port LEDs 176
- PORT ICON COLORS 177
- LED REPRESENTATIONS 177
- BROCADE 48000 DIRECTOR LEDS 178
- Administering Fabric Watch 179
- CONFIGURING THRESHOLD TRAITS 181
- CONFIGURING THRESHOLD ALARMS 183
- Configuring alarms for FRUs 184
- DISPLAYING ALARMS 185
- - Auto-Negotiation 190
- Required? 191
- Supported platforms for iSCSI 193
- About the iSCSI service 193
- FIGURE 76 Search screen 194
- TERMINOLOGY 195
- SAVING CHANGES 196
- ACTIVATING THE ISCSI FEATURE 198
- CONFIGURING THE IP INTERFACE 198
- FIGURE 78 iSCSI Port tab 199
- VIEWING ISCSI INITIATORS 203
- MANAGING DISCOVERY DOMAINS 204
- About Discovery Domains (DD) 204
- FIGURE 85 Create DD wizard 205
- CONFIGURING CHAP 207
- FIGURE 87 CHAP tab 208
- Using the Access Gateway 213
- Displaying the port mapping 214
- Configuring port maps 215
- Converting ports 216
- Routing Traffic 219
- Displaying FSPF routing 220
- Configuring link cost 222
- Role Permissions 224
- FIGURE 92 User tab 225
- CHANGING ACCOUNT PARAMETERS 227
- MAINTAINING PASSWORDS 228
- Configuring SNMP 233
- CONFIGURING SNMP INFORMATION 234
- Managing RADIUS service 235
- FIGURE 98 AAA Service tab 237
- MODIFYING THE RADIUS SERVER 238
- REMOVING A RADIUS SERVER 239
- About FICON CUP fabrics 241
- Configuring FMS parameters 244
- USA/Canada -- 00037 245
- - Mode Register 246
- - Switch enable/disable 246
- - Switch name change 246
- Limitations 253
- General Web Tools limitations 254
- Platform-specific limitations 257
- Numerics 259
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