DRA-2 UNIVERSAL COMMUNICATION NODE
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USER GUIDE - Rev.5 (January 2018)
SNMP Traps:
•
Enable Traps:
Enables/disables the generation and transmission of spontaneous
messages by the SNMP agent. The agent will send the traps selected by the user
when the different events occurred.
•
Traps SNMPv1/v2c:
Tabulate information allowing several destination equipment
for the
traps
to be defined.
For each of the spontaneous SNMP message addressees, a profile must be
provided, which must be included in the spontaneous message, the SNMP protocol
version with which it will be coded, the IP address of the addressee and the UDP
port to which the messages will be sent. The default value established in the
standard is port 162. It can be changed to adapt to the operating data of each
addressee.
The transmission of the messages in a confirmed (
inform
) way is only accepted for
the v2c and v3 versions of the protocol.
•
Trap v1 agent address:
This establishes the IP address the agent will
communicate as being its own when sending spontaneous messages. This
parameter is only used to create the traps when using SNMPv1.
•
Traps SNMPv3:
Tabulate information allowing several destination equipment for
the notifications to be defined.
The receivers are identified by means of their IP address and the UDP port to
which the notifications are to be sent. The standard UDP port for the SNMP
notifications is the 162, being the value by default.
The
Type
control is used to establish whether the transmission of the notifications
is carried out in an unconfirmed (
trap
) or confirmed (
inform
) way.
5.15
STP
The Spanning Tree Protocol, in both its original version (STP) and the improved version
(RSTP) has the objective of identifying potential loops in level 2 networks, so that the
different equipment can communicate with each other and establish whether the different
interfaces in each will be active for switching client traffic, or on the contrary, whether they
will be used as backups in case of potential topological changes. The final result is that the
active interfaces of each equipment end up forming a tree structure with no loops from the
root equipment.
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