Bit 4, 5: outputFailureMaxTerminalVoltage
Bit 6, 7: outputFailureMaxCurrent
Bit 8, 9: outputFailureMaxTemperature
Bit 10, 11: outputFailureMaxPower
Bit 12, 13: outputFailureInhibit
Bit 14, 15: outputFailureTimeout "
7.8
Change of community names / setting of passwords
For the communication with MPOD modules 4 types of SNMP communities are used, “
public
",
"
private
", "
admin
"and "
guru
". By default the community names are equal to the community
types.
snmpwalk -v 2c -m +WIENER-CRATE-MIB -c guru 192.168.0.80
snmpCommunityName
WIENER-CRATE-MIB::snmpCommunityName.public = STRING: "public"
WIENER-CRATE-MIB::snmpCommunityName.private = STRING: "private"
WIENER-CRATE-MIB::snmpCommunityName.admin = STRING: "admin"
WIENER-CRATE-MIB::snmpCommunityName.guru = STRING: "guru"
snmpwalk -v 2c -m +WIENER-CRATE-MIB -c private 192.168.0.80 snmpCommunityName
WIENER-CRATE-MIB::snmpCommunityName.public = STRING: "public"
WIENER-CRATE-MIB::snmpCommunityName.private = STRING: "private"
In order to secure the MPOD system communication the community names can be used as
passwords and be changed accordingly. The following example shows how the change and test
the community names. Using a wrong community name will result in a time out error. Please
note, that especially the communities with write access (private, admin, guru) should be protected.
snmpset -v 2c -m +WIENER-CRATE-MIB -c guru 192.168.0.80
snmpCommunityName.guru s seCrET
WIENER-CRATE-MIB::snmpCommunityName.guru = STRING: "seCrET"
snmpwalk -v 2c -m +WIENER-CRATE-MIB -c guru 192.168.0.80
snmpCommunityName
Timeout: No Response from 192.168.0.80
snmpwalk -v 2c -m +WIENER-CRATE-MIB -c seCrET 192.168.0.80 snmpCommunityName
WIENER-CRATE-MIB::snmpCommunityName.public = STRING: "public"
WIENER-CRATE-MIB::snmpCommunityName.private = STRING: "private"
WIENER-CRATE-MIB::snmpCommunityName.admin = STRING: "admin"
WIENER-CRATE-MIB::snmpCommunityName.guru = STRING: "seCrET"
7.9
MIB Browser
There are several commercial or open source MIB-Browser programs available which can be used
for SNMP communication. These provide often a simple GUI and allow SNMP calls. Following
is a list of some free or open source MIB – browsers:
http://www.ireasoning.com/mibbrowser.shtml
http://www.serverscheck.com/mib_browser/
http://www.mibble.org/
30. May 2018
43
