NetModule NB3710 User Manual page 153

NB3710
User Manual for NRSW version 4.4
SNMP Authentication
When running in SNMPv3, it is possible to configure the following authentication settings:
Parameter
Authentication
Encryption
In general, the admin user can read and write any values. Read access will be granted to any other
system users.
There is no authentication/encryption in SNMPv1/v2c and should not be used to set any values. How-
ever, it is possible to define its communities and authoritive host which will be granted administrative
access.
Parameter
Read community
Admin community
Allowed host
Attention must be paid to the fact that SNMP passwords have to be more than 8 characters long.
Shorter passwords will be doubled for SNMP (e.g. admin01 becomes admin01admin01).
Due to the use of passphrases in SNMP it is mandatory to store passwords of users who shall be able
to authenticate against the SNMP server. Please refer to chapter
Please note that the SNMP daemon is also listening on WAN interfaces and it is therefore suggested
to restrict the access with the firewall.
Typical SNMP Commands
Setting MIB values and triggering extensions is generally limited to the SNMPv3 admin user. It is
possible to specify an administrative host for SNMP v1/2c.
The SNMP extensions can be read and triggered as follows:
Getting the software version of the system:
snmpget -v 3 -u admin -n "" -l authNoPriv -a MD5 -x DES -A admin01admin01 192.168.1.1
1.3.6.1.4.1.31496.10.40.1.0
Getting the kernel version:
snmpget -v 3 -u admin -n "" -l authNoPriv -a MD5 -x DES -A admin01admin01 192.168.1.1
1.3.6.1.4.1.31496.10.40.2.0
Getting the serial number:
snmpget -v 3 -u admin -n "" -l authNoPriv -a MD5 -x DES -A admin01admin01 192.168.1.1
1.3.6.1.4.1.31496.10.40.3.0
SNMPv3 Authentication
Defines the authentication (MD5 or SHA)
Defines the privacy protocols to use (DES or AES)
SNMPv1/v2c Authentication
Defines the community name for read access
Defines the community name for admin access
Defines the host which is allowed for admin access
153
5.8.2 for more information.