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3 – Managing Fabrics

Securing a Fabric

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The Configured Security data window displays a graphical representation of all 
security sets, groups, and members in the database. To open the Configured 
Security data window, click the Configured Security tab below the data window 
in the faceplate display. 

The Active Security data window displays a graphical representation of the active 
security set, its groups, and members in the database. To open the Active Security 
data window, click the Active Security tab below the data window in the faceplate 
display. 

Fabric services security includes SNMP and In-band management. Simple 
Network Management Protocol (SNMP) is the protocol governing network 
management and monitoring of network devices. SNMP security consists of a 
read community string and a write community string, that are basically the 
passwords that control read and write access to the switch. The read community 
string ("public") and write community string ("private") are set at the factory to 
these well-known defaults and should be changed if SNMP is enabled using the 
System Servieces or SNMP Properties dialogs. If SNMP is enabled (default) and 
the read and write community strings have not been changed from their defaults, 
you risk unwanted access to the switch. Refer to 

 for more information. SNMP is enabled by default. 

In-band management is the ability to manage switches across inter-switch links 
using SANsurfer Switch Manager, SNMP, management server, or the application 
programming interface. The switch comes from the factory with in-band 
management enabled. If you disable in-band management on a particular switch, 
you can no longer communicate with that switch by means other than a direct 
Ethernet or serial connection. Refer to 

 for more information.