List box: On, Off
Default = Off
If
On
, RipEX works as a standard SNMP agent. i.e. it responds to "SNMP GET Request" packets re-
ceived from even several SNMP managers on any of its IP addresses. It transmits SNMP traps as per
its configuration (Settings/Device/Alarm management or Routing/Backup).
•
Community name
Default = public
This string is used for authentication with SNMP manager. Max. length is 32 chars. Following
characters are not allowed:
" (Double quote)
` (Grave accent)
\ (Backslash)
$ (Dollar symbol)
; (Semicolon)
(Space)
When there is not any char. filled, default value (public) is used.
•
SNMP Trap
List box: Off, On
Default = Off
If “
On
”, SNMP alarm traps are activated. They are transmitted for Watched values according to the
settings in Alarm management (Settings/Device/Alarm management or Routing/Backup). The SNMP
Trap message is sent both when a parameter value exceeds the alarm threshold and when it returns
back within its “normal” range. The Trap OID is the same, the info whether it is alarm activation or
deactivation is in Trap data.
○
Trap destination 1
IP
address and
Port
where SNMP trap messages are sent. Default Port is 162, however it can
be changed. IP 0.0.0.0 means, that SNMP trap is not sent.
○
Trap destination 2
SNMP trap messages can be sent simultaneously to two different destinations.
Firewall
List box: Off, On
Default = Off
There is a standard Linux firewall implemente.
•
Port
– a range of port numbers can be entered. E.g. 2000-2120.
•
Connection state
– state-firewall active only for TCP protocol.
•
New
– rrelates to the first packet when a TCP connection starts (Request from TCP client to TCP
server for opening a new TCP connection). Used e.g. for allowing to open TCP only from RipEX
network to outside.
•
Established
– relates to an already existing TCP connection. Used e.g. for allowing to get replies
for TCP connections created from RipEX network to outside.
•
Related
– a connection related to the “Established” one. e.g. FTP typically uses 2 TCP connections
– control and data - where data connection is created automatically using dynamic ports.
RipEX Radio modem & Router – © RACOM s.r.o.
84
Advanced Configuration
Содержание RipEX 1.5
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