Use the Communication Parameters in Device option to create and change SNMP and CLI parameters for individual devices. Any changes you make on an individual device will also update the related device information in PCM.
N o t e :
You can also use the Device Management: Communication Parameters Policy to override SNMP and CLI settings for devices.1. Select the device(s) in the Devices List, then select the Communication Parameters in Device option from the Device Manager menu to launch the Wizard. Click Next in the Welcome window to display the "Configure the settings" window.
2. Select one or both of the settings to be configured, then click Next. The following instructions describe the process if both options are selected.
N O T E :
If you are using the PCM-NNM module, NNM listens for SNMP Community Name "events" from PCM, and uses the event data to update its own database to match the changes made in PCM.If you change the SNMP community name for the device and update the NNM database using NNM’s SNMP configuration window, the new configuration is uploaded to the PCM device database at the next discovery or device scan.
Managing Network Devices Configuring Communication Parameters When SNMP Settings are selected, the wizard displays the Configure SNMP settings window next.
3. Click to select the SNMP version (SNMPV1/V2 or SNMPV3), then click Next. 4. If you selected SNMPV2, the V2 Credentials Configuration window
Managing Network Devices
Configuring Communication Parameters
5. Click the Add Names button in the toolbar. This will display the Add Community Names dialog.
– Type in the SNMP Community Name to be added, up to 16 charac- ters. The characters "<" and ">" cannot be used.
– Select the Read Access permission from the menu: Manager pro- vides full read permissions, Operator has restricted, read only permissions.
– Select the Write Access permission from the menu, either Unre- stricted or Restricted.
– Click to select the Use this as the management community? option. This will set this community name as the management community on the device.
– Click OK to save the changes and return to the V2 Credentials Configuration window.
The entry will be validated to ensure the community name value meets criteria (see above), and that the limit for community names on the device has not been exceeded. If the community name is invalid, you will get an error message. Otherwise, the V2 Credentials Configuration dialog is updated with the new entry.
You can repeat the process to add up to five different Community Names for the Device.
a. Click Next in the V2 Credentials Configuration dialog to continue. 6. The Results window displays, indicating if the SNMP settings for the
Device are successfully configured. If not, you will see a message in the Results panel indicating the configuration was not completed.
If you selected only SNMP settings, and the SNMP V2 option, the procedure is finished at this point.
Managing Network Devices Configuring Communication Parameters 7. If you selected SNMP V3, the SNMP V3 Credentials window displays.
a. Click the Add Names button in the toolbar. This will display the Add USM User dialog.
– In the Username field type the USM user name you want to create. A USM user name must be unique and cannot contain the > or < character.
– Select the desired Authentication Protocol from the drop-down menu.
Managing Network Devices
Configuring Communication Parameters
– Click to select the Use this as the management USM User? option. This will set the USM user as the management USM user.
– Click OK to save the changes and return to the V3 Credentials Configuration window.
The entry will be validated to ensure the USM user name and pass- word meets criteria (see above). If the USM user name or password is invalid, you will get an error message. Otherwise, the V3 Credentials Configuration dialog is updated with the new entry.
b. Click Next in the V3 Credentials Configuration dialog to continue. 8. The Results window displays, indicating if the SNMP settings for the
Device are successfully configured. If not, you will see a message in the Results panel indicating the configuration was not completed.
If you selected only SNMP settings and the SNMP V3 option, the procedure is finished at this point.
9. If you selected CLI Settings in the Configure Settings window, the CLI Settings Configuration window displays.
Managing Network Devices Configuring Communication Parameters 10. If you selected Telnet, the User Credential Configuration window displays.
a. Select Leave the existing settings, then click Next to continue, or
b. Select Enable Password Protection, then:
– To set up a manager login, type the new manager user name in the Mgr Username field and the associated password in the
Mgr Password field.
– To set up an operator login, type the new operator user name in the Opr Username field and the associated password in the
Opr Password field. – Click Next to continue.
11. The Results window displays, indicating if the communication parameter settings for the Device are successfully configured. If not, you will see a message in the Results panel indicating the configuration was not com- pleted.
Managing Network Devices
Configuring Communication Parameters
12. If you selected SSH in the CLI Settings Configuration, the SSH Configura- tion window displays.
13. Select the SSH version, and the Authentication type, then click Next
a. If you selected Password Authentication, the User Credentials Configura- tion window displays. This is the same window as used for setting Telnet User Credentials. Follow the procedure described for Step 10 on page 6-25.
If you selected Key Authentication, after you click Next the Results window displays, indicating if the communication parameter settings for the Device are successfully configured. If not, you will see a message in the Results panel indicating the configuration was not completed.