Ssh Overview - ZyXEL Communications GS1915 Series User Manual

Table 145 SNMP Switch Traps
OPTION
stp
rmon

32.8.2 SSH Overview

Unlike Telnet or FTP, which transmit data in clear text, SSH (Secure Shell) is a secure communication
protocol that combines authentication and data encryption to provide secure encrypted
communication between two hosts over an unsecured network.
Figure 196 SSH Communication Example
32.8.2.1 How SSH Works
The following table summarizes how a secure connection is established between two remote hosts.
Chapter 32 Access Control
OBJECT LABEL
STPNewRoot
STPTopologyChange
RmonRisingAlarm
RmonFallingAlarm
GS1915 Series User's Guide
OBJECT ID DESCRIPTION
1.3.6.1.2.1.17.0.1 This trap is sent when the STP root switch
changes.
1.3.6.1.2.1.17.0.2 This trap is sent when the STP topology
changes.
1.3.6.1.2.1.16.0.1 This trap is sent when a variable goes over
the RMON "rising" threshold.
1.3.6.1.2.1.16.0.2 This trap is sent when the variable falls below
the RMON "falling" threshold.
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