Chapter 40 Access Control
GS1920v2 Series User’s Guide
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40.7.2 SSH O ve rvie w
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.
Fig ure 261
SSH Communication Example
40.7.2.1 Ho w SSH wo rks
The following table summarizes how a secure connection is established between two remote hosts.
Table 181 SNMP IP Traps
O PTIO N
O BJEC T LABEL
O BJEC T ID
DESC RIPTIO N
ping
pingProbeFailed
1.3.6.1.2.1.80.0.1
This trap is sent when a single ping probe fails.
pingTestFailed
1.3.6.1.2.1.80.0.2
This trap is sent when a ping test (consisting of a series of
ping probes) fails.
pingTestCompleted
1.3.6.1.2.1.80.0.3
This trap is sent when a ping test is completed.
traceroute
traceRouteTestFailed
1.3.6.1.2.1.81.0.2
This trap is sent when a traceroute test fails.
traceRouteTestCompleted
1.3.6.1.2.1.81.0.3
This trap is sent when a traceroute test is completed.
Table 182 SNMP Switch Traps
O PTIO N
O BJEC T LABEL
O BJEC T ID
DESC RIPTIO N
stp
STPNewRoot
1.3.6.1.2.1.17.0.1
This trap is sent when the STP root switch changes.
STPTopologyChange
1.3.6.1.2.1.17.0.2
This trap is sent when the STP topology changes.
rmon
RmonRisingAlarm
1.3.6.1.2.1.16.0.1
This trap is sent when a variable goes over the RMON
"rising" threshold.
RmonFallingAlarm
1.3.6.1.2.1.16.0.2
This trap is sent when the variable falls below the RMON
"falling" threshold.
Содержание GS1920-48HPv2
Страница 19: ...19 PA RT I Use r s Guide...
Страница 43: ...43 PA RT II T e c hnic al Re fe re nc e...
Страница 124: ...Chapter 9 VLAN GS1920v2 Series User s Guide 124 Figure 97 Advanced Application VLAN Port Based VLAN Setup Port Isolation...
Страница 155: ...Chapter 13 Spanning Tree Protocol GS1920v2 Series User s Guide 155 Figure 118 MSTP and Legacy RSTP Network Example...
Страница 193: ...GS1920v2 Series User s Guide 193 Figure 140 Classifier Example...
Страница 224: ...Chapter 24 Multicast GS1920v2 Series User s Guide 224 Figure 162 MVR Group Configuration Example 2 EXAMPLE...
Страница 367: ...Chapter 40 Access Control GS1920v2 Series User s Guide 367 Figure 271 Example Lock Denoting a Secure Connection EXAMPLE...
Страница 388: ...Chapter 48 Configure Clone GS1920v2 Series User s Guide 388 Figure 284 Management Configure Clone...