Ssh Overview - ZyXEL Communications XGS4600 Series User Manual

Table 270 SNMP Switch Traps
OPTION
stp
mactable
rmon
classifier
rip
ospf

59.7.2 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 450 SSH Communication Example
59.7.2.1 How SSH Works
The following table summarizes how a secure connection is established between two remote hosts.
OBJECT LABEL
STPNewRoot
zyMrstpNewRoot
zyMstpNewRoot
STPTopologyChange
zyMrstpTopologyChange
zyMstpTopologyChange
zyMacForwardingTableFull
zyMacForwardingTableFullRec
overed
RmonRisingAlarm
RmonFallingAlarm
zyAclV2ClassifierLogNotificatio
n
zyRipExceedMaxDynamicRout
e
zyOspfExceedMaxDynamicRo
utePath
XGS4600 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.
1.3.6.1.4.1.890.1.15 This trap is sent when the MRSTP root switch
.3.52.3.1 changes.
1.3.6.1.4.1.890.1.15 This trap is sent when the MSTP root switch
.3.53.3.1 changes.
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 This trap is sent when the MRSTP topology
.3.52.3.2 changes.
1.3.6.1.4.1.890.1.15 This trap is sent when the MSTP root switch
.3.53.3.2 changes.
1.3.6.1.4.1.890.1.15 This trap is sent when more than 99% of the
.3.48.2.1 MAC table is used.
1.3.6.1.4.1.890.1.15 This trap is sent when the MAC address
.3.48.2.2 switching table 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.
1.3.6.1.4.1.890.1.15 This trap is sent when the Switch detects
.3.105.4.1 classifier log information.
1.3.6.1.4.1.890.1.15 This trap is sent when the maximum allowed
.3.74.2.1 number of dynamic routes learned through
RIP has been exceeded.
1.3.6.1.4.1.890.1.15 This trap is sent when the maximum allowed
.3.57.3.1 number of dynamic routes learned through
OSPF has been exceeded.
552