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To create a Grid, you first create a Grid Master and then add members. Although the Grid Master can be a single appliance (a "single master"), a more resilient design is to use an HA pair (an "HA master") to provide hardware redundancy. For information about HA pairs, see About HA Pairs. The basic procedure for forming two appliances into an HA master is shown in Figure 5.13. You can create a Grid Master in either IPv4, IPv6, or dual mode (IPv4 and IPv6). An IPv4 Grid Master uses IPv4 as the Grid communication protocol, so it supports IPv4 and dual mode Grid members. An IPv6 Grid Master uses IPv6 as the Grid communication protocol, so it supports IPv6 and dual mode Grid members. A dual mode Grid Master supports IPv4, IPv6, and dual mode Grid members. You can set either IPv4 or IPv6 as the communication protocol. All Infoblox hardware platforms, except for appliances with a 50 GB disk, support configuration as a Grid Master or Grid Master candidate. For information about which vNIOS appliance supports configuration as a Grid Master, see Supported vNIOS Appliance Models and Specifications.

Figure 5.13 Initially Configuring a Pair of Appliances as a Grid Master

After the two nodes form an HA pair, Node 2 initiates a key exchange and creates an encrypted VPN tunnel with Node 1. The two nodes communicate between the VIP interface linked to the HA port on Node 1 and the LAN1 port on Node 2. The initialization of VPN communications between the two nodes is shown in Figure 5.14.


Figure 5.14 Establishing a VPN Tunnel for Grid Communications


After the nodes establish a VPN tunnel between themselves, Node 1 sends Node 2 its entire database (its configuration settings and service data). Because the configuration contains the VRID (virtual router ID) for the HA pair, Node 2 starts listening for VRRP advertisements containing that VRID number. Because Node 1 is already sending such advertisements, Node 2 receives one and assumes the passive role in the HA pair.
After the initial transmission of its database, Node 1 continues to send Node 2 real-time database updates through the VPN tunnel.
Node 1 maintains the synchronization of the database throughout the Grid—which, at this point, has no other members—sends VRRP advertisements indicating its physical and network health, and—if configured to do so— provides network services. Node 2 maintains a state of readiness to assume mastership in the event of a failover. You can see the flow of HA- and Grid-related traffic from ports on the active node to ports on the passive node in
Figure 5.15. This illustration also shows the ports that you can use for management traffic and network service.

Figure 5.15 Traffic and Ports that an HA Grid Master Uses

From the management system, you can manage the active node of the HA master by making an HTTPS connection to the VIP interface and using the GUI, and by making an SSHv2 connection to the LAN1 port (and MGMT port, if enabled) and using the CLI. If you enable the MGMT port on an HA pair, you can make an HTTPS connection through the MGMT port on the active node, and you can make an SSHv2 connection through the LAN1 or MGMT port on the active and passive nodes.


Note: For information about enabling and using the MGMT port, the Infoblox GUI, and SSH, see Using the MGMT Port, Logging in to the GUI, and Restricting GUI/API Access.



Port Numbers for Grid Communication
If connectivity between Grid members must pass through a firewall, the firewall policies must allow the initial key exchange and subsequent VPN traffic to pass. The key exchange uses UDP with a source and destination port of 2114. VPN traffic uses UDP with a default source and destination port of 1194. The VPN port number is configurable.
To configure the VPN port number:

  1. From the Grid tab, select the Grid Manager tab.
  2. Expand the Toolbar and click Grid Properties -> Edit.
  3. In the General tab of the Grid Properties editor, type a new port number in the VPN Port field.
  4. Save the configuration.
  5. When Grid Manager displays a warning indicating that a product restart is required, click Yes to continue. The product automatically restarts.

A member and master first perform a handshake to authenticate each other and exchange encryption keys. Then they build an encrypted VPN tunnel between themselves. The member typically initiates both of these connections. The master only initiates a key exchange if you manually promote a member to the role of master (see Promoting a Master Candidate). Figure 5.14 shows the typical connection exchange and default port usage not only between the two nodes forming an HA pair but also between a member and master when the member joins a Grid.
The member and master key exchange occurs when an appliance joins a Grid, during master promotion, and when a member reconnects to a Grid after becoming disconnected. At all other times, Grid-related communications occur through encrypted VPN tunnels.

Grid Setup Wizard

The Grid Setup Wizard simplifies configuring a Grid. You can use it to configure an HA or single Grid Master and to join appliances to a Grid. The Grid Setup Wizard appears when you first log in to the appliance. After that, you can access it at anytime as follows:

  1. From the Grid tab, select the Grid Manager tab -> Members tab.
  2. Expand the Toolbar and click Grid Properties -> Setup (Grid Setup Wizard).

Creating an HA Grid Master

To create a Grid, you first create a Grid Master and then add members. Although you can define a single appliance as a Grid Master, using an HA pair provides hardware redundancy for this vital component of a Grid. You can create an HA Master in either IPv4, IPv6, or in dual mode. An IPv4 HA Master uses IPv4 as the communication protocol between the two nodes and for Grid communication. An IPv6 HA pair uses IPv6 as the communication protocol between the two nodes and for Grid communication. But in a dual mode HA pair, you can select either IPv4 or IPv6 as the communication protocol between the two nodes and for Grid communication. The following procedure explains how to put two NIOS appliances on the network and use the Grid Setup Wizard to configure them as Nodes 1 and 2 to form an HA Grid Master. For information about which vNIOS appliance supports configuration as an HA Grid Master, see Supported vNIOS Appliance Models and Specifications.

Configuring the Connecting Switch
To ensure that VRRP (Virtual Router Redundancy Protocol) works properly, configure the following settings at the port level for all the connecting switch ports (HA, LAN1, and LAN2):

  • Spanning Tree Protocol: Disable this or enable this with Portfast. For vendor specific information, search for "HA" in the Infoblox Knowledge Base system at https://support.infoblox.com.
  • Trunking: Disable
  • EtherChannel: Disable
  • IGMP Snooping: Disable
  • DHCP Snooping: Disable or Enable Trust Interface

Note: You must disable DHCP Snooping to successfully run DHCP services on the Grid. For more information about DHCP services, see About Infoblox DHCP Services.


  • Port Channeling: Disable
  • Speed and Duplex settings: Match these settings on both the Infoblox appliance and switch
  • Disable other dynamic and proprietary protocols that might interrupt the forwarding of packets

Note: By default, a NIOS appliance automatically negotiates the optimal connection speed and transmission type (full or half duplex) on the physical links between its LAN1 or LAN1 (VLAN), HA, and MGMT ports and the Ethernet ports on the connecting switch. If the two appliances fail to auto-negotiate the optimal settings, see Modifying Ethernet Port Settings for steps you can take to resolve the problem.


Placing Both Appliances on the Network

  1. Connect the power cable from each NIOS appliance to a power source and turn on the power. If possible, connect the appliances to separate power circuits. If one power circuit fails, the other might still be operative.
  2. Connect Ethernet cables from the LAN1 port and the HA port on each appliance to a switch on the network.

Note: The Ethernet ports on the TE-810, TE-820, TE-1410, TE-1420, TE-2210, TE-2220, and IB-4010 appliances are autosensing, so you can use either a straight-through or cross-over Ethernet cable for these connections.


     3. Use the LCD on one appliance or make a console connection to it, and configure the network settings of its LAN1 port so that it is on the local subnet and you can reach it on the network. LCD supports only IPv4 addressing and not IPv6 addressing. You can configure IPv6 address for the appliance through CLI or GUI. IPv4 addressing is supported on the LCD; ensure that you have the correct network address values before configuration of the appliance.


Note: For details about using the LCD and console, refer to the installation guide that shipped with your product.


    4. Similarly, configure the LAN1 port on the other appliance so that it is in the same subnet as the first appliance.
    5.Connect your management system to the network so that it can reach the IP addresses of the LAN1 ports on both appliances.

 HA Master Node 1

  1. On your management system, open a browser window, and connect to https://ip_addr, where ip_addr is the address of the LAN1 port on Node 1. IPv4 and IPv6 values are valid, based on the LAN1 port configuration.
  2. Log in using the default user name and password admin and infoblox. For detailed information about logging in to the GUI, see Logging in to the GUI.
  3. Review the End-User License Agreement. If you want to participate in the Infoblox Customer Experience Improvement Program, complete the following:
  • Participate in the Infoblox Customer Experience Improvement Program: Select the check box to send product usage data to Infoblox on a periodic basis. Infoblox uses this data to improve product functionality. For more information about the program, see Participating in the Customer Experience Improvement Program.
  • Support ID (optional): Enter the Infoblox Support ID that was assigned to your account. It must be a number with four to six digits. The value you enter here is also displayed in the Customer Improvement tab in the Grid Properties editor. Infoblox includes this ID in the data report.
  • Infoblox Privacy Policy: Click here to view the Infoblox privacy policy. The appliance displays the policy in a new browser tab.

Click I Accept. The Grid Setup wizard appears.
   4. On the first screen, select Configure a Grid Master and click Next.
   5. On the next screen, specify the Grid properties and click Next:

  • Grid Name: Enter a text string that the two appliances use to authenticate each other when establishing a VPN tunnel between them. The default Grid name is Infoblox.
  • Shared Secret: Enter a text string that both appliances use as a shared secret to authenticate each other when establishing a VPN tunnel between them. The default shared secret is test.
  • Confirm Shared Secret: Enter the shared secret again.
  • Hostname: Enter a valid domain name for the appliance.
    • Type of Network Connectivity: Select the type of network connectivity from the drop-down list:
    • IPv4 and IPv6: Select this to configure a dual mode HA Master.
    • IPv4: Select this to configure an IPv4 HA Master.
    • IPv6: Select this to configure an IPv6 HA Master.
  • Is the Grid Master an HA pair?: Select Yes.
    • Send HA and Grid Communication over: This field is displayed only when you are configuring a dual mode HA pair. Select either IPv4 or IPv6 as the communication protocol for VRRP advertisements.

Note: Infoblox recommends that you backup the configuration after you convert a Grid to a different mode.
Restoring the old backup by performing a forced restore, may prevent the Grid members from rejoining the Grid Master after the restore.


     6. On the next screen, specify the network properties and click Next:

  • Virtual Router ID: Enter the VRID (virtual router ID). This must be a unique VRID number—from 1 to 255—for this subnet.
    Ports and Addresses: This table lists the network interfaces based on the type of network connectivity of the HA Master.
    For IPv4 HA Master, specify the network information for VIP (IPv4), Node1 HA (IPv4), Node2 HA (IPv4), Node1 LAN1 (IPv4), and Node2 LAN1 (IPv4) interfaces.
    For IPv6 HA Master, specify the network information for VIP (IPv6), Node1 LAN1 (IPv6), and Node2 LAN1 (IPv6) interfaces.
    For a dual mode HA Master, if you select IPv4 in the Send HA and Grid Communication over field, specify the network information for the following interfaces: VIP (IPv4), Node1 HA (IPv4), Node1 LAN1 (IPv4), Node2 HA (IPv4), Node2 LAN1 (IPv4), VIP (IPv6), Node1 LAN1 (IPv6), and Node2 LAN1 (IPv6) interfaces.
    For a dual mode HA Master, if you select IPv6 in the Send HA and Grid Communication over field, specify the network information for the following interfaces: VIP (IPv4), Node1 LAN1 (IPv4), Node2 LAN1 (IPv4), VIP (IPv6), Node1 LAN1 (IPv6), and Node2 LAN1 (IPv6) interfaces.
    Enter correct information for the following by clicking the field:
    • Interface: Displays the name of the interface. You cannot modify this.
    • Address: Type the IPv4 or IPv6 address depending on the type of interface.
    • Subnet Mask (IPv4) or Prefix Length (IPv6): Specify an appropriate subnet mask for IPv4 address or prefix length for IPv6 address. The prefix length ranges from 2 to 127.
    • Gateway: Type the IPv4 or IPv6 address of the default gateway depending on the type of interface. For IPv6 interface, you can also type Automatic to enable the appliance to acquire the IPv6 address of the default gateway and the link MTU from router advertisements.

Note: You can now define a link-local address as the default IPv6 gateway and isolate the LAN segment so the local router can provide global addressing and access to the network and Internet. This is supported for both LAN1 and LAN2 interfaces as well as LAN1 and LAN2 in the failover mode.


    • VLANTag: For a VLAN, enter the VLAN tag or ID. You can enter a number from 1 to 4094. Ensure that you configure the corresponding switch accordingly.
    • PortSettings: From the drop-down list, choose the connection speed that you want the port to use. You can also choose the duplex setting. Choose Full for concurrent bidirectional data transmission or Half for data transmission in one direction at a time. Select Automatic to instruct the NIOS appliance to negotiate the optimum port connection type (full or half duplex) and speed with the connecting switch automatically. This is the default setting. You cannot configure port settings for vNIOS appliances.

    7. Optionally, enter a new password and click Next. The password must be a single string (no spaces) that is at least four characters long.

    8. Select the time zone of the Grid Master and indicate whether the Grid Master synchronizes its time with an NTP (Network Time Protocol) server.

  • If you choose to enable NTP, click the Add icon and enter the IP address of an NTP server. Entries may be an IPv4 or IPv6 address. You can enter IP addresses for multiple NTP servers.
  • If you choose to disable NTP, set the date and time for the appliance.
  • Click Next.

   9. If you want to participate in the Infoblox Customer Experience Improvement Program, complete the following and then click Next:

  • Participate in the Infoblox Customer Experience Improvement Program: Select the check box to send product usage data to Infoblox on a periodic basis. Infoblox uses this data to improve product functionality. For more information about the program, see Participating in the Customer Experience Improvement Program.
  • Support ID (optional): Enter the Infoblox Support ID that was assigned to your account. It must be a number with four to six digits. The value you enter here is also displayed in the Customer Improvement tab in the GridProperties editor. Infoblox includes this ID in the data report.
  • Email: Enter an email address to which Infoblox sends a copy of the usage report. The email address you enter here is also displayed in the Customer Improvement tab in the Grid Properties editor. This is optional.
  • Infoblox Privacy Policy: Click here to view the Infoblox privacy policy. The appliance displays the policy in a new browser tab.

   10. The last screen displays the settings you specified in the previous panels of the wizard. Verify that the information is correct and click Finish. The application restarts after you click Finish.


Note: The Grid Setup wizard provides options such as not changing the default password and manually entering the time and date. However, changing the password and using an NTP server improve security and accuracy (respectively), and so these choices are presented here.
Record and retain this information in a safe place. If you forget the shared secret, you need to contact Infoblox Technical Support for help. When you add an appliance to the Grid, you must configure it with the same Grid name, shared secret, and VPN port number that you configure on the Grid Master.


   11. Close the management window.

The configuration for Node 1 is complete.

HA Master Node 2

  1. On your management system, open a new browser window, and connect to https://ip_addr, where ip_addr is the address of the LAN1 port on Node 2. IPv4 or IPv6 values are valid.
    When you enter an IPv6 address, enclose the address in square brackets (as in https://[ip_addr] or https://[2001:db8::256:ABCD:EF12:34:1].
  2. Log in using the default user name and password admin and infoblox.

  3. Review the End-User License Agreement. If you want to participate in the Infoblox Customer Experience Improvement Program, complete the following:

  • Participate in the Infoblox Customer Experience Improvement Program: Select the check box to send product usage data to Infoblox on a periodic basis. Infoblox uses this data to improve product functionality. For more information about the program, see Participating in the Customer Experience Improvement Program.
  • Support ID (optional): Enter the Infoblox Support ID that was assigned to your account. It must be a number with four to six digits. The value you enter here is also displayed in the Customer Improvement tab in the Grid Properties editor. Infoblox includes this ID in the data report.
  • Infoblox Privacy Policy: Click here to view the Infoblox privacy policy. The appliance displays the policy in a new browser tab.

Click I Accept. The Grid Setup wizard appears.

   4. On the first screen, select Join Existing Grid and click Next.
   5. On the next screen, specify the Grid properties and click Next

  • Grid Name: Enter a text string that the two appliances use to authenticate each other when establishing a VPN tunnel between them. This must match the Grid name you entered for node 1.
  • Grid Master's IP Address: Enter the same VIP you entered for node 1.
  • Shared Secret: Enter a text string that both appliances use as a shared secret to authenticate each other when establishing a VPN tunnel between them. This must match your entry in node 1.

   6. On the next screen verify the IP address settings of the member and click Next.
       The last screen displays the settings you specified in the previous panels of the wizard.

   7. Verify that the information is correct and click Finish.
       The setup of the HA master is complete. From now on, when you make an HTTPS connection to the HA pair, use the VIP address.
The communication protocol for all the services in a dual mode (IPv4 and IPv6) HA Master is the same protocol as the one used for VRRP advertisements. For example, if you select IPv4 in the Send HA and Grid Communication over field in step 2 of the Grid Setup wizard, then IPv4 is set as the communication protocol for all the services. However, you can override the communication protocol for all the services in a dual mode HA Master. For information, see Changing the Communication Protocol for a Dual Mode Appliance.

Creating a Single Grid Master

Although using an HA master is ideal because of the hardware redundancy it provides, you can also use a single appliance as the Grid Master. You can create a single Grid Master in either IPv4, IPv6, or dual mode (IPv4 and IPv6). Infoblox recommends frequent backups if the Grid Master is a single appliance, and there is no Master Candidate. For information about which vNIOS appliance supports configuration as a single Grid Master, see Supported vNIOS Appliance Models and Specifications.
Setting up an appliance as a single Grid Master is very easy. If the appliance has the DNSone package with the Grid upgrade, it is already a Grid Master. You simply need to define the network settings for its LAN1 port. The various procedures for defining the network settings for the LAN1 port of a single independent appliance apply here as well; that is, you can use any of the following procedures to define the network settings for the LAN1 port of the appliance that you want to make a single Grid Master:

You can also use the NIOS Grid Setup Wizard to create a single Grid Master. In addition to providing a simple method accompanied by helpful information, the setup wizard allows you to change the admin password and configure time settings for the appliance.

Using the Setup Wizard

To create a single Grid Master using the Grid Setup wizard:

  1. Connect the power cable from the NIOS appliance to a power source and turn on the power.
  2. Connect an Ethernet cable from the LAN1 port on the appliance to a switch on the network.

Note: The Ethernet ports on the TE-810, TE-820, TE-1410, TE-1420, TE-2210, TE-2220, and IB-4010 appliances are autosensing, so you can use either a straight-through or cross-over Ethernet cable for these connections.


     3. If you have not changed the default IP address (192.168.1.2/24) of the LAN1 port through the LCD or CLI—and the subnet to which you connect the appliance does not happen to be 192.168.1.0/24—put your management system in the 192.168.1.0/24 subnet and connect an     Ethernet cable between your management system and the NIOS appliance.
     4. Open a web browser and make an HTTPS connection to the IP address of the LAN1 port. To reach the default IP address, enter: *https://192.168.1.2* .
Several certificate warnings appear during the login process. This is normal because the preloaded certificate is self-signed (and, therefore, is not in the trusted certificate stores in your browser) and has the hostname www.infoblox.com, which does not match the destination IP address you entered in step 3. To stop the warning messages from occurring each time you log in to the GUI, you can generate a new self-signed certificate or import a third-party certificate with a common name that matches the FQDN (fully qualified domain name) of the appliance. For information about certificates, see Managing Certificates.
    5. Log in using the default user name admin and password infoblox.
    6. Review the End-User License Agreement. If you want to participate in the Infoblox Customer Experience Improvement Program, complete the following:

  • Participate in the Infoblox Customer Experience Improvement Program: Select the check box to send product usage data to Infoblox on a periodic basis. Infoblox uses this data to improve product functionality. For more information about the program, see Participating in the Customer Experience Improvement Program.
  • Support ID (optional): Enter the Infoblox Support ID that was assigned to your account. It must be a number with four to six digits. The value you enter here is also displayed in the Customer Improvement tab in the GridProperties editor. Infoblox includes this ID in the data report.
  • Infoblox Privacy Policy: Click here to view the Infoblox privacy policy. The appliance displays the policy in a new browser tab.

Click I Accept. The Grid Setup wizard appears.

   7. On the first screen, select Configure a Grid Master and click Next.
   8. On the next screen, specify the Grid properties and click Next:

    • Grid Name: Enter a text string that the Grid Master and appliances joining the Grid use to authenticate each other when establishing a VPN tunnel between them. The default Grid name is Infoblox.
    • Shared Secret: Enter a text string that the Grid Master and appliances joining the Grid use as a shared secret to authenticate each other when establishing a VPN tunnel between them. The default shared secret is test.
    • Confirm Shared Secret: Enter the shared secret again.
    • Hostname: Enter a valid domain name for the appliance.
    • Type of Network Connectivity: Select the type of network connectivity for the Grid Master from the drop-down list:
      • IPv4 and IPv6: Select this to configure a dual mode Grid Master.
      • IPv4: Select this to configure an IPv4-only Grid Master.
      • IPv6: Select this to configure an IPv6-only Grid Master.

Note: Infoblox recommends that you backup the configuration after you convert a Grid to a different mode.
Restoring the old backup by performing a forced restore, may prevent the Grid members from rejoining the Grid Master after the restore.


  • Is the Grid Master an HA pair?: Select No.

   9. On the next screen, configure the network settings and click Next:

  • Ports and Addresses: This table lists the network interfaces based on the type of network connectivity of the Grid Master. For IPv4 Grid Master, specify the network information for LAN1 (IPv4) port and for IPv6 Grid Master, specify the network information for LAN1 (IPv6) port. For a dual mode Grid Master, specify the network information for both LAN1 (IPv4) and LAN1 (IPv6).
    Enter correct information for the following by clicking the field:
    • Interface: Displays the name of the interface. You cannot modify this.
    • Address: Type the IPv4 or IPv6 address depending on the type of interface. An IPv6 address is a 128-bit number in colon hexadecimal notation. It consists of eight 16-bit groups of hexadecimal digits separated by colons (example: 2001:db8:0000:0123:4567:89ab:0000:cdef or 2001:db8::123:4567:89ab:0:cdef).
    • Subnet Mask (IPv4) or Prefix Length (IPv6): Specify an appropriate subnet mask for IPv4 address or prefix length for IPv6 address. The prefix length ranges from 2to 127.
    • Gateway: Type the IPv4 or IPv6 address of the default gateway depending on the type of interface. For IPv6 interface, you can also type Automatic to enable the appliance to acquire the IPv6 address of the default gateway and the link MTU from router advertisements.

Note: You can now define a link-local address as the default IPv6 gateway and isolate the LAN segment so the local router can provide global addressing and access to the network and Internet. This is supported for both LAN1 and LAN2 interfaces as well as LAN1 and LAN2 in the failover mode.


    • VLAN Tag: For a VLAN, enter the VLAN tag or ID. You can enter a number from 1 to 4094. Ensure that you configure the corresponding switch accordingly.
    • Port Settings: From the drop-down list, choose the connection speed that you want the port to use. You can also choose the duplex setting. Choose Full for concurrent bidirectional data transmission or Half for data transmission in one direction at a time. Select Automatic to instruct the NIOS appliance to negotiate the optimum port connection type (full or half duplex) and speed with the connecting switch automatically. This is the default setting. You cannot configure port settings for vNIOS appliances.

    10. Optionally, enter a new password and click Next. The password must be a single hexadecimal string (no spaces) that is at least four characters long.
    11. Select the time zone of the Grid Master and indicate whether the Grid Master synchronizes its time with an NTP (Network Time Protocol) server, and then click Next.

    • If you choose to enable NTP, click the Add icon and enter the IP address of an NTP server. Entries may be an IPv4 or IPv6 address. You can enter IP addresses for multiple NTP servers.
    • If you choose to disable NTP, set the date and time for the appliance.

    12. If you want to participate in the Infoblox Customer Experience Improvement Program, complete the following and then click Next:

    • Participate in the Infoblox Customer Experience Improvement Program: Select the check box to send product usage data to Infoblox on a periodic basis. Infoblox uses this data to improve product functionality. For more information about the program, see Participating in the Customer Experience Improvement Program.
    • Support ID (optional): Enter the Infoblox Support ID that was assigned to your account. It must be a number with four to six digits. The value you enter here is also displayed in the Customer Improvement tab in the GridProperties editor. Infoblox includes this ID in the data report.
    • Email: Enter an email address to which Infoblox sends a copy of the usage report. The email address you enter here is also displayed in the Customer Improvement tab in the Grid Properties editor. This is optional.
    • Infoblox Privacy Policy: Click here to view the Infoblox privacy policy. The appliance displays the policy in a new browser tab.

   13. The last screen displays the settings you specified in the previous panels of the wizard. Verify that the information is correct and click Finish. The application restarts after you click Finish.


Note: The Grid Setup wizard provides options such as not changing the default password and manually entering the time and date. However, changing the password and using an NTP server improve security and accuracy (respectively), and so these choices are presented here.
Record and retain this information in a safe place. If you forget the shared secret, you need to contact Infoblox Technical Support for help. When you add an appliance to the Grid, you must configure it with the same Grid name, shared secret, and VPN port number that you configure on the Grid Master.


The last screen of the setup wizard states that the changed settings require the appliance to restart. When you click Finish, the appliance restarts.
The setup of the single master is complete. From now on, when you make an HTTPS connection to the appliance, use its new IP address.
In a dual mode Grid Master, the communication protocol for all the services is set to IPv4, by default. You can change the default communication protocol for the services. For information, see Changing the Communication Protocol for a Dual Mode Appliance.

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