SNMP passwords (community names) are saved into a limited area in the terminal's NVRAM. To save space, you can define a global password that provides read/write access to SNMP variables as well as access to other terminal functions (Setup -> Change Setup Parameters -> Access Control -> Unit Global Password). For more information about setting a global password, see the System Administrator's Guide. For information about the special area in NVRAM for saving passwords and certain other strings, see Chapter 11, Boot Monitor and NVRAM.
Except for the community names, the parameters described in the following procedures are not saved in NVRAM.
Configuring Read/Write Access
To establish read/write access control to a terminal's SNMP variables:
Table 16-1 snmp-read-write-access-control-enabled Parameter
Table 16-2 snmp-read-write-access-control-list Parameter
Table Entries
Possible Values
Results
host
default
(empty list)
hostname or
IP address
The network name or address of a host granted read/write access to the terminal's SNMP daemon.
You can use the default read-only password, called a community name, or specify a different one.
Complete the following steps to configure read-only access to a terminal's SNMP variables:
Table 16-3 snmp-read-only-access-control-enabled Parameter
Table 16-4 snmp-read-only-access-control-list Parameter
Table Entries
Possible Values
Results
host
default
(empty list)
hostname or
IP address
The network name or address of a host granted read-only access to the terminal's SNMP daemon.
The two trap events defined for NCD terminals are:
To designate a host as a trap monitor, list its hostname or IP address and a community name (password) in Setup -> Change Setup Parameters -> Access Control -> SNMP Trap Monitors. A community name is an alphanumeric string of arbitrary length.