User Manual

14 Security.............................................................................................................157
Understanding Banner Settings........................................................................................................ 157
Accessing the I/O Aggregator Using the CMC Console Only.........................................................157
AAA Accounting.................................................................................................................................158
Configuration Task List for AAA Accounting..............................................................................158
AAA Authentication...........................................................................................................................160
Configuration Task List for AAA Authentication........................................................................ 160
RADIUS...............................................................................................................................................163
RADIUS Authentication............................................................................................................... 163
Configuration Task List for RADIUS............................................................................................164
TACACS+........................................................................................................................................... 167
Configuration Task List for TACACS+.........................................................................................167
TACACS+ Remote Authentication............................................................................................. 168
Enabling SCP and SSH.......................................................................................................................170
Using SCP with SSH to Copy a Software Image......................................................................... 171
Secure Shell Authentication.........................................................................................................171
Troubleshooting SSH...................................................................................................................174
Telnet................................................................................................................................................. 174
VTY Line and Access-Class Configuration....................................................................................... 175
VTY Line Local Authentication and Authorization......................................................................175
VTY Line Remote Authentication and Authorization................................................................. 176
VTY MAC-SA Filter Support.........................................................................................................176
15 Simple Network Management Protocol (SNMP).......................................178
Implementation Information............................................................................................................ 178
Configuring the Simple Network Management Protocol................................................................178
Important Points to Remember..................................................................................................178
Setting up SNMP..........................................................................................................................179
Creating a Community................................................................................................................179
Reading Managed Object Values......................................................................................................179
Displaying the Ports in a VLAN using SNMP.................................................................................... 180
Fetching Dynamic MAC Entries using SNMP................................................................................... 182
Deriving Interface Indices................................................................................................................. 183
Monitor Port-Channels.....................................................................................................................184
Entity MIBS.........................................................................................................................................185
Example of Sample Entity MIBS outputs.................................................................................... 185
SNMP Traps for Link Status...............................................................................................................186
Standard VLAN MIB...........................................................................................................................186
Enhancements.............................................................................................................................186
Fetching the Switchport Configuration and the Logical Interface Configuration ...................187