Industrial Managed
Ethernet Switch – EH9711
User Manual
Page
48
of
223
Label
Description
4294967295) or asterisk (*) which are separated by dots (.). The first character must not begin with
asterisk (*) and the maximum of OID count must not exceed 128.
2.5.1.9
SNMP Communities
This submenu allows users to configure SNMP community table as shown in Figure 2.39. The entry index key is
Community.
This community string option allows the users to set a community string (
Community name
and
Community secret
) for
authentication by adding new entry to the table. The users can remove existing community string from the list by clicking on
the checkbox of
Delete
column at the beginning of each community string item
.
The users can specify the string names on the
Community Name
field by clicking
Add New Entry
button, as shown in Figure 2.40. Table 2.24 briefly provides descriptions
of SNMP’s community setting.
Please click on the
Save
button afterwards for a change to take effect, or click
Reset
button to undo any changes made locally
and revert to previously saved values.
Typically, an SNMP agent, which is a network management software module residing on the managed switch, can access all
objects with read
-
all
-
only permissions using the string
public
.
Another setting example is that the string
private
has permission
of read
-
write
-
all
.
Figure 2.39 Webpage to Configure SNMP Communities
Figure 2.40 Adding New Entry to SNMP Community Configuration
Table 2.24 Descriptions of SNMP Community Configurations
Label
Description
Delete
Check to delete the entry. It will be deleted during the next save.
Community Name
Indicates the community access string to permit access to SNMPv3 agent. The allowed string
length is 1 to 32, and the allowed content is ASCII characters from 33 to 126. The community
string will be treated as security name and map a SNMPv1 or SNMPv2c community string.
Community Secret
Indicates the community secret (access string) to permit access using SNMPv1 and SNMPv2c to
the SNMP agent. The allowed string length is 1 to 32, and the allowed content is ASCII
characters from 33 to 126.
Source IP
Indicates the SNMP access source address. A particular range of source addresses can be used to
restrict source subnet when combined with source mask.
Source Prefix
Indicates the SNMP access source address mask.
