User's Manual

Overview of monitoring
The monitoring section covers four items.
• OM section
The OM section is not applicable for traditional and SIP DECT systems.
• DISK section
The DISK section verifies the state of a hard disk drive and notifies you on:
- whether the disk drive is ready or not,
- how much disk space is available.
The status information is compared with a previous run for the same drive. You are
notified if different information is found. You are notified when the drive is not ready
and you are also notified when the drive is ready.
• PING section
The PING section verifies if the PING command is successful in finding a destination
address. For the destination addresses, you can enter:
- The loopback adapter addresses or local IP addresses to verify local TCP stack and
network resources.
- A remote IP addresses to ensure that the network is responding on ICMP level.
The status is compared with a previous run for the same destination. You are notified
if different information is found. You are also notified when the PING is not
responding. You are notified when the PING reestablishes a response.
• NETSTAT section
The NETSTAT section verifies if a TCP Server is in a "listening" state, by determining whether
a defined port has a socket in a "listening" state. For example, when an SMTP server is
present "listening" on socket 25, it can be verified if a socket is "listening" for inbound
connections or not.
Similar tests are possible for all kinds of TCP Servers on well known ports, such as Telnet
23, HTTP 80, HTTPS 443, and so on, or user defined ports. It is also possible to verify that
a TCP connection is established on a predefined port.
Typical usage verifies that a connection that needs to be established continuously is
available. The status is compared with a previous run for the same port. You are notified if
Module - eFR
148 DECT Messenger Installation and Commissioning — Book 1 March 2012
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