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230 Web Tools Administrator’s Guide
53-1001772-01
IPsec concepts
17
DRAFT: BROCADE CONFIDENTIAL
Figure 60 provides a basic visual comparison of how transport mode and tunnel mode modify an IP
datagram.
FIGURE 60 Transport mode and tunnel mode comparison
IPsec header options
IPsec adds headers to an IP datagram to enable authentication and privacy. There are two options:
• Authentication Header (AH)
• Encapsulating Security Payload (ESP)
Authentication Header
AH can be used to authenticate a data stream, but does not provide encryption needed for privacy.
The AH contains a message authentication code (MAC). The MAC is created by a hash algorithm
calculation. The MAC is transmitted in an IP datagram. The same hash algorithm is then used by
the receiver to verify the integrity of the packet. AH can be used in either transport mode or tunnel
mode, as shown in Figure 61.
FIGURE 61 AH header in transport mode and tunnel mode
- Web Tools 1
- Document History 3
- Contents 5
- DRAFT: BROCADE CONFIDENTIAL 10
- About This Document 21
- What’s new in this document 23
- Document conventions 24
- Notice to the reader 25
- Additional information 25
- Getting technical help 26
- Document feedback 27
- Introducing Web Tools 29
- System requirements 32
- Installing patches on Solaris 35
- Java plug-in configuration 36
- Value line licenses 37
- Opening Web Tools 37
- Logging in 39
- Logging in to an Admin Domain 40
- Logging out 41
- Role-Based Access Control 42
- Session management 42
- Web Tools system logs 43
- Requirements for IPv6 support 44
- Using the Web Tools Interface 45
- Persisting GUI preferences 50
- Fabric Tree 51
- Switch View buttons 53
- Switch View 53
- USB port representation 54
- Displaying tool tips 56
- Right-click options 57
- Refresh rates 58
- Managing Fabrics and Switches 61
- Configuring Auto Refresh 64
- Removing a syslog IP address 65
- Configuring IP Filtering 66
- Blade management 66
- Switch configuration 68
- Changing the switch name 69
- Changing the switch domain ID 69
- Switch restart 70
- Configuring fabric settings 71
- Fabric settings 72
- Configuring system services 74
- Configuring signed firmware 74
- Licensed feature management 75
- High Availability overview 77
- Event monitoring 81
- Displaying Switch Events 82
- Filtering Switch Events 83
- Virtual Fabrics overview 86
- Viewing logical ports 87
- Restoring a configuration 91
- SAS and SA firmware download 95
- Enabling interoperability 96
- User-defined Admin Domains 98
- System-defined Admin Domains 98
- Enabling Admin Domains 99
- Admin Domain window 100
- 53-1001772-01 102
- Refreshing fabric information 104
- Creating an Admin Domain 105
- Renaming Admin Domains 108
- Deleting Admin Domains 108
- Managing Ports 111
- Controllable ports 114
- Configuring FC ports 115
- Allowed port types 116
- Assigning a name to a port 117
- Port beaconing 118
- Enabling and disabling a port 118
- Port activation 121
- Enabling Ports on Demand 122
- Port swapping index 124
- Enabling ISL Trunking 127
- Admin Domain considerations 128
- F_Port trunk groups 129
- Monitoring Performance 131
- Performance graphs 132
- Predefined performance graphs 133
- User-defined graphs 135
- Canvas configurations 136
- • Switch Percent Utilization 137
- • Port Snapshot Error 137
- Creating SCSI command graphs 140
- Saving graphs to a canvas 142
- Printing graphs 144
- Modifying graphs 145
- Administering Zoning 147
- Traffic Isolation zones 148
- LSAN zone requirements 148
- QoS zone requirements 148
- Zoning configurations 149
- Zoning management 149
- Saving local zoning changes 152
- Selecting a zoning view 153
- Renaming zone aliases 155
- Deleting zone aliases 155
- Creating and populating zones 156
- Renaming zones 157
- Cloning zones 157
- Deleting zones 158
- Creating zone configurations 159
- Renaming zone configurations 161
- Cloning zone configurations 161
- Deleting zone configurations 161
- Enabling zone configurations 162
- Disabling zone configurations 162
- Searching for zone members 165
- Best practices for zoning 166
- In this chapter 167
- Trace dumps 167
- How a trace dump is used 168
- Specifying a remote server 168
- Displaying switch information 169
- Defining Switch Policy 173
- Port LED interpretation 174
- LED representations 175
- Brocade 48000 Director LEDs 176
- Setting up FC-FC routing 178
- FC-FC routing management 178
- Opening the FC Routing module 179
- Viewing EX_Ports 181
- ATTENTION 182
- Configuring an EX_Port 183
- Viewing LSAN zones 184
- Using the Access Gateway 187
- Access Gateway mode 189
- Enabling Access Gateway mode 190
- Disabling Access Gateway mode 191
- Port configuration 191
- Creating port groups 192
- Deleting port groups 193
- Administering Fabric Watch 199
- System Monitor 201
- Configuring threshold traits 202
- Configuring threshold alarms 202
- Configuring alarms for FRUs 204
- Displaying alarms 205
- E-mail notification 206
- Configuring the e-mail alert 207
- Supported platforms for iSCSI 214
- Terminology 214
- Saving changes 215
- Activating the iSCSI feature 217
- Configuring the IP interface 217
- Editing an IP Address 218
- Editing the IP route 219
- Editing an iSCSI target 220
- Discovery Domain management 221
- Creating a discovery domain 222
- Editing a discovery domain 222
- Discovery domain sets 223
- CHAP configuration 223
- Creating a CHAP user 224
- Editing a CHAP secret 224
- Connection redirection 225
- Routing Traffic 229
- Lossless dynamic load sharing 231
- User-defined accounts 235
- Maintaining passwords 241
- Setting a password as expired 243
- Unlocking a password 243
- • Absent 247
- • Tolerant 247
- • Strict 247
- Re-authenticating policies 249
- SNMP configuration 250
- RADIUS management 252
- Enabling and disabling RADIUS 253
- Configuring RADIUS 253
- Modifying the RADIUS server 254
- Removing a RADIUS server 255
- IPsec concepts 256
- IPsec header options 258
- Basic IPsec configurations 259
- Endpoint to Gateway 260
- Encryption algorithms 260
- Hash algorithms 261
- SA lifetime 261
- Diffie-Hellman groups 261
- IPsec over FCIP 262
- IPsec over management ports 264
- Creating an SA proposal 266
- Adding an IPsec selector 267
- Manually creating an SA 268
- FICON CUP fabrics overview 271
- Enabling port-based routing 272
- FMS parameter configuration 273
- Configuring CUP logical paths 280
- Configuring LIRRs 280
- Web Tools and FCoE overview 284
- FC0E configuration tasks 285
- Adding a CEE map 286
- LLDP-DCBX configuration 287
- Adding an LLDP profile 289
- Configuring CEE interfaces 290
- Configuring VLANs 291
- Configuring FCoE login groups 292
- Displaying LAG information 294
- Displaying VLAN information 294
- Displaying FCoE login groups 294
- Displaying QoS information 294
- Enabling and disabling a LAG 296
- Enabling and disabling LLDP 296
- Limitations 299
- Numerics 303
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