RUGGEDCOM ROS
User Guide
Chapter 5
Setup and Configuration
Managing SNMP 197
Figure127:NTP Servers Form
1.Server Box 2.IP Address Box 3.Update Period Box 4.Apply Button 5.Reload Button
3. Configure the following parameter(s) as required:
Parameter Description
Server Synopsis:  Any 8 characters
Default:  Primary
This field tells whether this configuration is for a Primary or a
Backup Server.
IP Address Synopsis:  ###.###.###.### where ### ranges from 0 to 255
The Server IP Address.
Update Period Synopsis:  1 to 1440 min
Default:  60 min
Determines how frequently the (S)NTP server is polled for a time
update.If the server cannot be reached in three attempts that are
made at one minute intervals an alarm is generated.
4. Click Apply.
Section5.6
Managing SNMP
RUGGEDCOM ROS supports versions 1, 2 and 3 of the Simple Network Management Protocol (SNMP), otherwise
referred to as SNMPv1, SNMPv2c and SNMPv3 respectively. SNMPv3 provides secure access to the devices through
a combination of authentication and packet encryption over the network. Security features for this protocol
include:
Feature Description
Message Integrity Makes sure that a packet has not been tampered with in-transit.
Authentication Determines if the message is from a valid source.
Encryption Encrypts the contents of a packet to prevent it from being seen by an unauthorized source.
SNMPv3 provides security models and security levels. A security model is an authentication strategy setup for
a user and the group in which the user resides. A security level is a permitted level of security within a security
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