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| User Interface |
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| User Interface |
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User InterfaceQ. How can I do more sophisticated searching and filtering in tables?
A. Both the Quick Search field and the Filters dialog enable you to use regular expression syntax to specify search targets. Any characters enclosed between forward slashes (/*/) are treated as a regular expression.
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Q. I have an admin account in NetMRI but I can't get my CLI connections to work - my Telnet and SSH connections time out.
A. Your admin account does not have CLI credentials enabled. To fix this, click the Settings icon > User Admin > Users and click the Edit icon for the admin account. Click the CLI Credentials tab, select the User CLI Credentials Enabled checkbox, and then enter the user name and password, with password confirmation. If you need an Enable password for accessing network devices through the CLI, enter that value and confirm that as well. Click Save and start a new terminal session to the NetMRI appliance.
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| Device Groups |
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| Device Groups |
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Device GroupsQ. I added a new device to my network. Where do I find that device in NetMRI?
A. NetMRI checks for new devices every 15 minutes. A new device is assigned to a device group based on the group membership criteria where the group is defined. If NetMRI can't assign a device to a defined group, it places it in the UNKNOWN or NAME-ONLY group.
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Q. Why do device group counts in the Select Device Groups panel appear to be out of sync with the counts at Network Explorer > Inventory > Devices section > Devices?
A. Device group membership counts are recalculated every 15 minutes. When the appliance is discovering many new devices, you might see a different count until you refresh your browser following that recalculation. If no new devices are being added to the network, you are unlikely to see a difference.
DiscoveryQ. How can I remove a device from NetMRI?
A. A network device is removed if it is in the included CIDR blocks and hasn't been accessed by NetMRI in a 7-day period and it hasn't shown up anywhere on the network based on data collected in the past day. This 7-day period is adjusted with the Device Expiration Days setting in on the Settings icon > General Settings > Advanced Settings page. Data sources checked to see if the device exists include ARP, routing, CDP, and any /32 or /128 CIDR blocks. A discovery diagnostic of a device will show which devices are reporting this device in those tables for help in troubleshooting problems. Any device included in a CIDR block is removed after one day. Any non-network device, such as a PC, is removed from NetMRI if it isn't seen in any collected data in the previous 24-hour period.
Q. What kinds of IPv6 networks do I need to add to my seed routers or discovery ranges?
A. IPv6 standards define several new types of network prefixes , because the address value is longer and is formatted differently. Unique local IPv6 Unicast network prefixes begin with the designation FC00:/7. (These values are similar to the familiar 10.x.x.x, 172.16.x.x and 192.168.x.x IP prefixes.) Globally routable values begin with the 2000:/ or 2001:/ prefixes but are not used as examples in this document because of the need to use private address spaces in documentation, to avoid possible conflicts with live networks.
NetMRI discovery of IPv6 networks can make use of Hints and CIDR blocks for discovery.
Do not use link-local or multicast addresses as a device hint, for a range, or a seed router. Unique local IPv6 unicast values are acceptable. As with the 10.x.x.x and other private IPv4 values, they are not globally routable and are safe for use in the local network. Also see the section For more information, see Configuring Network Discovery Settings for more information.
Q. Some devices in my network only support SNMPv2c. Can I use SNMPv2c credentials as the default for discovery?
A. Yes. See For more information, see Choosing SNMP Protocol Preferences for more details.
Q. Can I define SNMPv3 credentials with both types of secret keys to conform to my organization's security policies?
A. Yes. You can define SNMPv3 credentials with separate authentication and privacy key values. See For more information, see SNMPv3 Credentials for Discovery and Management for more details.
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| Switch Port Management |
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| Switch Port Management |
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Switch Port ManagementQ. I've installed a Switch Port license into NetMRI but none of my Ethernet switches are showing up in the Switch Port Management device tables. The switches appear in my Switch and Switch-Router device groups, but I get a "Polling Started for 0 Devices" message whenever I try to start polling the switches.
A. You must add the switches in the device group(s) to the SPM license, whether it's an evaluation license or a paid-for SPM license. Installing the license does not automatically add the contents of the Switch and Switch-Router device groups to the licensed device count.
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| Configuration Management |
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| Configuration Management |
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Configuration ManagementQ. What does the Get Config button in the Config Explorer actually do?
A. The Get Config button schedules back-end processes to retrieve the current configuration files from the selected device. If there is no difference from the currently listed configuration files, then a new instance is not created in the configuration files list. Each listed instance implies a difference, and the timestamp defines when the file was first known to be changed. To determine when the file was last checked, open the "Current" "Running" configuration file. In the resulting window, the Last Update timestamp (in the header) indicates the last time checked.
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| User Administration |
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| User Administration |
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User AdministrationQ. Why can't I specify device groups for the SysAdmin role?
A. The SysAdmin role is not intended as an operator (i.e., restricted to certain network domains), but rather as a system administrator with authority throughout the NetMRI appliance. For security and safety, you should only use this role when performing actions that require it.
SecurityQ. Can I disable HTTP access to NetMRI?
A. By default, both HTTP and HTTPS modes are enabled. Infoblox recommends disabling the HTTP mode. Click To modify the settings, go to the Settings icon > General Settings > Security > NetMRI HTTPS Settings to modify settings.
Q. What well-known ports does NetMRI use?
A. Outbound ports:
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