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1. From the Grid tab, select the Grid Manager tab, and then click Discovery.
2. For the Grid: Click Edit –> Grid Discovery Properties in the Toolbar.
   For a Probe member: Select a member check box, and then click Edit –> Member Discovery Properties in the Toolbar.
3. In the Grid Discovery Properties or Member Discovery Properties editor, click the Credentials tab -> SNMPv1/v2 tab, SNMPv3 tab, or CLI tab.
4. Select the check box or check boxes for the credentials and/or enable credentials (if applicable) you want to test. For a Probe member, click Override, and then select the credential check boxes.
5. Click Test Credentials.
6. In the Test SNMP Credentials editor, complete the following:
   • IP Address: Select this to test the credential against an IP address of a reachable device in a network (even if it has not been discovered or managed through NIOS) within a specified network view. Enter the IP address in the field. Ensure that you select the respective network view in which this IP address resides.
   • Network View: If you have multiple network views, select the network view in which the IP address resides from the drop-down list. If you have only one network view, which is the default view, the Network View drop-down list is hidden by default. NIOS conducts credential testing for the IP address in the selected network view.
   • Device: Select this to test against a selected device. Click Select Device and the Device Selector appears. If you have multiple network views, you must first select the network view in which the device resides from the Network View drop-down list, located at the upper left hand corner of the selector. If you have only one network view, which is the default view, the Network View drop-down list is hidden by default. You can check the device categories under All Devices to locate discovered switches and routers or any unmanaged devices previously detected by discovery under NIOS. You can explore categories including Discovered Switches/Routers, Microsoft Windows Devices (this can include items such as Windows Servers of various types), Router and Wireless Access Point Devices, Unmanaged, and others. By default, all devices previously discovered appear in this selector. If you have a long list of devices, you can enter a device name search value or a search expression in the Find field and click Go. You can also click Show Filter to narrow down your selection by selecting available filters. Click OK after you have selected a device and its corresponding network view.
7. Click Start to begin testing the credential against the IP address or selected device. The communication and testing processes appear in the lower pane of the editor.
   

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   Note: If the specified IP address is excluded from all discovery ranges or is not part of the selected network view, or the credential is entered with missing information, a message appears at the top of the editor after clicking Start. Otherwise, the test begins and its process and results appear in the lower pane of the editor.
   

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Defining Seed Routers for Probe Members Defining Seed Routers for Probe Members

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Defining Seed Routers for Probe Members

Seed routers can be defined only on Probe appliances. You can define seed routers that NIOS uses in quickly performing network discovery. Definition of seed routers is highly recommended for IPv4 networks and is required for IPv6 networks. For discovery of any IPv6 networks, you must use seed router values that comprised of at least one well-connected IPv6 router, preferably with routes to all other networks to be managed. In some cases, seed routers may not have the full routing tables or be unable to provide full information for some reason. The general rule of thumb is that more seed routers are better, but the connectivity of seed router(s) also helps determine how many seed routers you need. Avoid having more seed entries than necessary.
You must associate each seed router with a network view so the appliance can properly discover virtual networks when using multiple seed routers.

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Note: For effective use of seed routers, provide SNMP credentials to the Probe member to allow it to pull the key routing and connectivity information, including the IPv6 routing table and the local Neighbor Discovery Cache, from the device. For more information, see Defining Seed Routers for Probe Members.

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Configuring Cisco Application Policy Infrastructure Controller (APIC) Configuring Cisco Application Policy Infrastructure Controller (APIC)

Configuring Cisco Application Policy Infrastructure Controller (APIC)

To configure Cisco APIC on NIOS, complete the following:

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1. Click Add to add Cisco APIC.
2. When finished, click Save & Close.

1. For Grid: From the Grid tab-> Grid Manager tab -> Discovery service, select Edit -> Grid Discovery Properties from the Toolbar.
   For members: From the Grid tab-> Grid Manager tab -> Discovery service, select Edit -> Member Discovery Properties from the Toolbar.
   For networks: From the IPAM tab, select the network check box and click the Edit icon.
2. In the Grid Discovery Properties, Member Discovery Properties, or (IPv4 or IPv6) Network editor, click the Polling tab, and then complete the following in the Advanced tab:
   For Probe members and networks, click Override to override the Grid settings.
• TCP Scan Technique: Select the TCP technique you want to use for the discovery. The default is SYN. For more information, see TCP.
  • SYN: Select this to quickly perform scans on thousands of TCP ports per system, never completing connections across any well-known port. SYN packets are sent and the poller waits for a response while continuing to scan other ports. A SYN/ACK response indicates the protocol port is listening while a RST indicates it is not listening. The SYN option presents less impact on the network.
  • CONNECT: Select this to scan IPv6 networks. Unlike the SYN option, complete connections are attempted on the scanned system and each successive TCP protocol port being scanned.
  In the port table, select the check boxes of the TCP ports you want to discover. You can select all ports by clicking the check box in the header.
  Optionally, you can click the Add icon and complete the following to add a new port to the list.
  • Port: Enter the port number you want to add to the list. You must enter a number between 1 and 65535.
  • Service: Enter the name of the service.

     3. You can also delete a specific TCP port in the list, or select multiple ports for deletion.