SNMP Security
377
can view
only
that portion of the MIB. These views allow access to all MIB
objects according to the existing product access restrictions.
Login usernames are the users’ security names in this model.
The system checks the access rights for all requests against those
applicable to the user's configured access level, that is, the access group.
Two groups are supported:
■
Admin
group — View available to Admin group (the highest level)
when connected by authenticated means
■
Monitor
group — View available to all other groups, or available when
unauthenticated access is used
By default, you are a member of the
Admin
group and you set the access
rights of each user (click
Network Management > SNMP Settings)
.
IF objects are read-only due to context only, the system might return the
existing SMIv1 error code
no-such-name
instead of the enhanced
read-only error status on an attempt to set them.
Traps, Notifications,
and Informs
In addition to receiving requests and sending responses to management
applications (managers), agents also can send unsolicited messages to
managers when they detect some significant event. An unsolicited
message is called a
trap
(SNMPv1) or a
notification
(SNMPv2 and
SNMPv3). The NBX SNMP agent supports both traps and notifications in
all three versions of SNMP.
An
inform
(confirmed notification) is a trap that the agent sends with a
request to the manager to acknowledge the receipt of the trap.
the NBX NetSet utility, where the manager IP address can be configured,
enables you to configure the target entries.
Ton configure the manager IP address:
1
Login to the NBX NetSet utility using the administrator login ID and
password.
2
Click
Network Management > SNMP Settings
3
Click the SNMP Managers tab.
4
Click
Add
or the name of an existing manager.
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Страница 18: ...18 ...
Страница 22: ...22 ABOUT THIS GUIDE ...
Страница 26: ...26 CHAPTER 1 INTRODUCTION ...
Страница 74: ...74 CHAPTER 3 FEATURE SETTINGS ...
Страница 130: ...130 CHAPTER 5 TELEPHONE CONFIGURATION ...
Страница 156: ...156 CHAPTER 7 CALL DISTRIBUTION GROUPS ...
Страница 194: ...194 CHAPTER 8 PSTN GATEWAY CONFIGURATION ...
Страница 256: ...256 CHAPTER 10 SIP MODE OPERATIONS ...
Страница 328: ...328 CHAPTER 11 DIAL PLAN ...
Страница 360: ...360 CHAPTER 13 DOWNLOADS ...
Страница 370: ...370 CHAPTER 14 LICENSING AND UPGRADES ...
Страница 406: ...406 CHAPTER 16 NETWORK MANAGEMENT ...
Страница 412: ...412 CHAPTER 17 COUNTRY SETTINGS ...
Страница 450: ...450 APPENDIX A INTEGRATING THIRD PARTY MESSAGING ...
Страница 456: ...456 APPENDIX B ISDN COMPLETION CAUSE CODES ...
Страница 510: ...510 APPENDIX F OUTBOUND CALLER ID AND 911 SERVICE ...
Страница 546: ...546 APPENDIX G NBX ENTERPRISE MIB ...
Страница 566: ...566 GLOSSARY ...
Страница 578: ...578 INDEX ...
Страница 582: ......