Ssh Overview - ZyXEL Communications XGS2210-28 User Manual

Table 209 SNMP Switch Traps
OPTION OBJECT LABEL
stp STPNewRoot
zyMrstpNewRoot
zyMstpNewRoot
STPTopologyChange
zyMrstpTopologyChange
zyMstpTopologyChange
mactable zyMacForwardingTableFull
zyMacForwardingTableFullReco
vered
rmon RmonRisingAlarm
RmonFallingAlarm
classifier zyAclV2ClassifierLogNotification 1.3.6.1.4.1.890.1.15.3.1

45.7.2 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 354 SSH Communication Example
45.7.2.1 How SSH works
The following table summarizes how a secure connection is established between two remote hosts.
Chapter 45 Access Control
OBJECT ID DESCRIPTION
1.3.6.1.2.1.17.0.1 This trap is sent when the STP root switch changes.
1.3.6.1.4.1.890.1.15.3.5 This trap is sent when the MRSTP root switch changes.
2.3.1
1.3.6.1.4.1.890.1.15.3.5 This trap is sent when the MSTP root switch changes.
3.3.1
1.3.6.1.2.1.17.0.2 This trap is sent when the STP topology changes.
1.3.6.1.4.1.890.1.15.3.5 This trap is sent when the MRSTP topology changes.
2.3.2
1.3.6.1.4.1.890.1.15.3.5 This trap is sent when the MSTP root switch changes.
3.3.2
1.3.6.1.4.1.890.1.15.3.4 This trap is sent when more than 99% of the MAC table is
8.2.1 used.
1.3.6.1.4.1.890.1.15.3.4 This trap is sent when the MAC address switching table
8.2.2 has become normal from full.
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.
This trap is sent when the Switch detects classifier log
05.4.1 information.
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