Polycom MGC Administrator Administrator's Manual page 288

Chapter 5 - MCU System Management
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14. When working with the MCU, the external SNMP system can only
monitor (Read) the MCU's activity, and is not allowed to modify any of
its parameters, or cause the MCU to reset. Therefore, the queries sent to
the MCU are only of a Read type, and not Write.
Select the Read check box and then click OK.
The details are displayed in the Accept Community Names table.
15. To edit a community string:
— Select the entry to modify from the Accept Community Names box,
and then click Edit.
The Please Edit Community Name dialog box opens.
— Modify the Community field and then click OK.
The modified details are displayed in the Accept Community Names
table.
16. To delete a community string:
— Select the entry to delete from the Accept Community Names box,
and then click Remove.
The community string is removed from the Accept Community
Names table.
17. To add, edit, or remove IP addresses of specific Manager terminals, click
the Accept SNMP Packets from These Hosts option.
The Add, Edit and Remove buttons are enabled.
18. To define the IP address of a specific Manager terminal, click the Add
button.