Cabletron Systems EMM-E6 Ethernet Manual De Usuario

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COMMUNITY NAMES
EMM-E6 User’s Guide
1-21
1.8
COMMUNITY NAMES
When using Local or Remote Management tools to access the EMM-E6 it 
is important that the Network Manager has the ability to maintain network 
security. Community Names provide some network security by acting as 
passwords into the device and the software running it. The Network 
Manager (Super-user) controls access by establishing four (4) passwords. 
Each of these passwords is associated with a specific level of access to the 
Local Management capabilities of the EMM-E6. The Community Names 
are set through the Local Management Community Name Table. Once 
these are set by the Network Manager, they can be maintained in 
confidence or limited to users who have a need to manage the system. The 
four levels of access are:
Super-User - Allows full management privileges
Read-Write - Allows editing of device configuration parameters not 
including changing Community Names
Read-Only - Allows reading of device parameters not including 
Community names
Basic-Read - Allows reading low level device data 
1.9
SNMP
SNMP (Simple Network Management Protocol) is a protocol within the 
Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite. 
Network applications such as Local Management and MIB Navigator use 
SNMP to manage device configurations and monitor operating 
conditions. SNMP protocol defines methods for “GETs,” “SETs,” and 
“TRAPs,” either remotely from any point along the TCP/IP network or 
locally. This allows for control of the device from any point along the 
network. SNMP tools use the MIBs located on the device to be managed 
to; access information (GET), change device parameters (SET), and to 
notify previously selected users that an event has occurred (TRAP).
CH1Book  Page 21  Wednesday, March 20, 1996  7:48 AM