Important Considerations - 3Com corebuilder 3500 Implementation Manual

Consider the following guidelines before you configure trusted IP clients
Important
Considerations on your system.
Configure trusted IP clients in this order:
Procedures
1 Define the trusted IP clients.
2 Display the list of configured trusted IP clients to verify that you have
configured them correctly.
3 Enable the checking for trusted IP clients (using the access option on the
Administration Console or the System Configuration form in the Web
Management software).
CAUTION: Be careful when you define trusted IP clients. If you specify an
incorrect IP address or subnetwork, you can affect your ability to access
the system, as follows:
Additional
considerations
For Web Management access, the change is immediate. Therefore, an
incorrect IP address or subnet forces you to reestablish local access via
the serial port.
For Telnet access, the change takes effect at your next login.
If you modify a trusted IP client definition through the Web
Management software, the change also affects Telnet and SNMP
access to the system. If you modify a trusted IP client definition
through Telnet access to the Administration Console, the change also
affects SNMP and Web Management access to the system.
Use the subnet mask to allow all addresses on a particular subnetwork
to have trusted access. For example, the IP address 158.101.112.219
with a subnet mask of 255.255.255.0 allows all addresses on the
158.101.112 subnetwork to have trusted access, whereas the same IP
address with a subnet mask of 255.255.255.255 only allows only
access by 158.101.112.219.
The trusted IP client information is retained, that is, saved in nvData
after a system reboot.
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