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Depending on your deployment and configuration choices,

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the Ethernet ports on the NIOS appliance perform different functions. The Ethernet ports that handle traffic on the NIOS appliance are as follows:

  • LAN1 port – A 10/100/1000-Mbps gigabit Ethernet port that connects the appliance to the network. This is the default port for single independent appliances, single Grid members, and passive nodes in HA pairs. You must use the LAN1 port to set up the appliance initially. It handles traffic for all management services if you do not enable the MGMT and LAN2 ports. The passive node in an HA pair uses this port to synchronize the database with the active node.
  • LAN2 port – A 10/100/1000-Mbps gigabit Ethernet port that connects the appliance to the network. The LAN2 port is not enabled by default. You can enable the LAN2 port and define its use through the GUI after the initial setup. By default, the appliance uses the LAN1 port (and HA port when deployed in an HA pair). To enable and configure the LAN2 port, you must have read/write permission to the Grid member on which you want to enable the port. The LAN2 port is available on the TE-810, TE-820, TE-1410, TE-1420, TE-2210, TE-2220, and IB-4010 appliances. For information about how to use the LAN2 port, see Using the LAN2 Port.
  • HA port – A 10/100/1000-Mbps gigabit Ethernet port through which the active node in an HA (high availability) pair connects to the network using a VIP (virtual IP) address. HA pair nodes also use their HA ports for VRRP (Virtual Router Redundancy Protocol) advertisements.
  • MGMT port – A 10/100/1000-Mbps gigabit Ethernet port that you can use for appliance management or DNS service. You can enable the MGMT port and define its use through the GUI after the initial setup. If the MGMT port is enabled, the NIOS appliance uses it for management services (see Table 8.5 bookmark906 for specific types).

You can do the following on some of the Ethernet ports, depending on your network requirements and configurations:

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Enabling GUI and API Access on the MGMT
Enabling GUI and API Access on the MGMT
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Enabling GUI and API Access on the MGMT and LAN1/VIP Ports

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You can assign VLANs (Virtual Local Area Networks) to the LAN1, LAN2, and VIP (for HA pairs) interfaces so the appliance can provide DNS service to different subnetworks on the same interface. You can also configure VLANs interfaces on supported Network Insight appliances and use them exclusively for discovery purposes. VLANs are independent logical networks that are mutually isolated on the interface so that IP packets can pass between them through one or more switches or routers. You can assign VLANs to provide segmentation services to address issues such as scalability, security, and network management. For example, you can partition your network into segments such as DHCP address allocation, DNS service, guest network, and DMZ (demilitarized zone) to achieve a higher level of security and to increase performance by limiting broadcast domains. You can also add quality of service schemes to optimize your network traffic on the VLAN trunk links by configuring the DSCP (Differentiated Services Code Point) value for the corresponding physical and virtual interfaces. For information about DSCP, see Implementing Quality of Service Using DSCP bookmark901 bookmark901.

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Note: When you configure VLANs on the following Network Insight appliances: ND-1400, ND-1405, ND-2200, ND-2205, ND-4000, ND-V1400 ND-V1405, ND-V2200, and ND-V2205, the VLAN interfaces are used exclusively for discovery. You cannot bind other services on these VLAN interfaces of the supported Network Insight appliances. For more information about Network Insight, see About Network Insight.

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VLANs and VLAN tagging are supported on both IPv4 and IPv6 transports. This feature is currently supported on the following Infoblox appliances: Trinzic 1410, 1415, 1420, 1425, 2210, 2215, 2220, 2225, Infoblox-4010, Infoblox-4030-Rev1, Infoblox-4030-Rev2, Infoblox-4030-10G, PT-1400, PT-1405, PT-2200, PT-2205, PT-4000, PT-4000-10GE, TE-1410, TE-1420, TE-1415, and TE-1425. VLAN tagging is not supported on TE-100, TE-810, TE-815, TE-820, and TE-825. For more information about VLAN support for an Infoblox-4030 appliance, refer to the DNS Cache Acceleration Application Guide. For information about these appliances, refer to the respective installation guides on the Infoblox Support web site at http://www.infoblox.com/support.
Currently, only the DNS service can listen on specific VLAN interfaces. The DHCP service listens only on the primary VLAN interface (tagged or untagged). However, if the primary VLAN interface is untagged, DHCP will serve all VLANs on that interface because an untagged primary VLAN receives all broadcast packets. You can also specify VLANs as the source port for sending DNS queries and notify messages. For information about how to configure these, see Specifying Port Settings for DNS.
Additional VLAN support is available exclusively for discovery on the following Network Insight appliances: ND-1400, ND-1405, ND-2200, ND-2205, ND-4000, ND-V1400, ND-V1405, ND-V2200, and ND-V2205. Binding other services on
the VLAN interfaces of the Network Insight appliances is not supported.

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When you first set up a NIOS appliance, you can assign VLANs through the Grid Setup Wizard. For more information, see Using the Setup Wizard. After the initial setup, you can assign VLANs to the LAN1 or LAN2 ports in the Required Ports and Addresses table, as described in Modifying Ethernet Port Settings bookmark908.
On a Grid member, you can assign up to 10 VLANS for each protocol (IPv4 or IPv6) on the LAN1 and LAN2 ports. You can assign up to 10 IPv4 VLAN addresses and 10 IPv6 VLAN addresses for each interface. You can configure only IPv4 VLAN addresses for an IPv4 Grid member and only IPv6 VLAN addresses for an IPv6 Grid member, but for a dual mode Grid member you can configure both IPv4 and IPv6 VLAN addresses.
To assign additional VLANs to the LAN1 or LAN2 port, complete the following:

  1. From the Grid tab, select the Grid Manager tab -> Members tab -> Grid_member check box, and then click the Edit icon.
  2. Select the Network -> Basic tab in the Grid Member Properties editor.
  3. In the Additional Ports and Addresses table, click the Add icon and select either MGMT (IPv4), MGMT (IPv6), LAN2 (IPv4), LAN2 (IPv6), Additional Address (loopback) (IPv4), Additional Address (loopback) (IPv6), LAN1 (VLAN)(IPv4), LAN1 (VLAN)(IPv6), LAN2 (VLAN)(IPv4) or LAN2 (VLAN)(IPv6) from the drop-down list. You can add up to 10 IPv4 and 10 IPv6 VLANs for each interface. Note that you can configure only IPv4 VLAN addresses for an IPv4 Grid member and only IPv6 VLAN addresses for an IPv6 Grid member, but for a dual mode Grid member you can configure both IPv4 and IPv6 VLAN addresses.
    • MGMT (IPv4): Select this to configure IPv4 address for MGMT port. Note that the Infoblox-4030 appliance supports a /32 configuration for IPv4 on MGMT and supports multi-interface only when both LAN1 and MGMT are on the same subnet.
    • MGMT (IPv6): Select this to configure IPv6 address for MGMT port. Note that Infoblox-4030 appliance supports a /128 prefix configuration for IPv6 on MGMT and supports multi-interface only when both LAN1 and MGMT are on the same subnet.
    • LAN2 (IPv4): Select this to configure IPv4 address for the LAN2 port for DHCP or DNS. Note that Infoblox-4030 appliance supports a /32 configuration for IPv4 on LAN2 and supports multi-interface only when both LAN1 and LAN2 are on the same subnet. This is not applicable to Trinzic 100 appliance.
    • LAN2 (IPv6): Select this to configure IPv6 address for the LAN2 port for DHCP or DNS. Note that Infoblox-4030 appliance supports a /128 prefix configuration for IPv6 on LAN2 and supports multi-interface only when both LAN1 and LAN2 are on the same subnet. This is not applicable to Trinzic 100 appliance.
    • Additional Address (loopback) (IPv4): Select this to add a non-anycast IPv4 address to the loopback interface. Note that you can configure this for IPv4 and dual mode Grid member.
    • Additional Address (loopback) (IPv6): Select this to add a non-anycast IPv6 address to the loopback interface. Note that you can configure this for IPv6 and dual mode Grid member.
    • LAN1 (VLAN) (IPv4): Select this to add a VLAN to the LAN1 interface. You can add up to 10 IPv4 VLAN addresses. Note that you can configure this for IPv4 and dual mode Grid member. This is supported on Trinzic 2210, 2215, 2220, 2225, Infoblox-1410, Infoblox-4010, Infoblox-4030-Rev1, Infoblox-4030-Rev2, Infoblox-4030-10G, PT-1400, PT-1405, PT-2200, PT-2205, PT-4000, and PT-4000-10GE appliances. VLAN tagging is not supported on TE-100, TE-810, TE-815, TE-820, TE-825, and vNIOS virtual appliances.
    • LAN1 (VLAN) (IPv6): Select this to add a VLAN to the LAN1 interface. You can add up to 10 IPv4 and 10 IPv6 VLAN addresses. Note that you can configure this for IPv6 and dual mode Grid member. This is supported on Trinzic 2210, 2215, 2220, 2225, Infoblox-1410, Infoblox-4010, Infoblox-4030-Rev1, Infoblox-4030-Rev2, Infoblox-4030-10G, PT-1400, PT-1405, PT-2200, PT-2205, PT-4000, and PT-4000-10GEappliances.
    • LAN2 (VLAN) (IPv4): Select this to add a VLAN to the LAN2 interface. You can add up to 10 IPv4 VLAN addresses. Note that you can configure this for IPv4 and dual mode Grid member. This is supported on Trinzic 2210, 2215, 2220, 2225, Infoblox-1410, Infoblox-4010, Infoblox-4030-Rev1, Infoblox-4030-Rev2, Infoblox-4030-10G, PT-1400, PT-1405, PT-2200, PT-2205, PT-4000, and PT-4000-10GE appliances.
    • LAN2 (VLAN) (IPv6): Select this to add a VLAN to the LAN2 interface. You can add up to 10 IPv6 VLAN addresses. Note that you can configure this for IPv6 and dual mode Grid member. This is supported on Trinzic 2210, 2215, 2220, 2225, Infoblox-1410, Infoblox-4010, Infoblox-4030-Rev1, Infoblox-4030-Rev2, Infoblox-4030-10G, PT-1400, PT-1405, PT-2200, PT-2205, PT-4000, and PT-4000-10GE appliances.
  4. Enter the following:
    • Interface: Displays the name of the VLAN interface. This can be LAN1 (VLAN)(IPv4), LAN1 (VLAN)(IPv6), LAN2 (VLAN)(IPv4), or LAN2 (VLAN)(IPv6) depending on your selection. You cannot modify this.
    • Address: Type the IP address for the VLAN port.
    • Subnet Mask (IPv4) or Prefix Length (IPv6): For IPv4 address, specify an appropriate subnet mask and for IPv6 address, specify the prefix length. The prefix length ranges from 2 to 127, with common-sense values ranging from /48 to /127 due to the larger number of bits in the IPv6 address.
    • Gateway: Type the IPv4 or IPv6 default gateway address for the VLAN port 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.
      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: Enter the VLAN tag or ID. You can enter a number from 1 to 4094. Ensure that you configure the corresponding switch accordingly. For information about VLANs, see About Virtual LANs bookmark899.
    • Port Settings: For IPv4 only. 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.
    • DSCP Value: Displays the Grid DSCP value, if configured. To modify, click Override and enter the DSCP value. You can enter a value from 0 to 63. For information about DSCP, see Implementing Quality of Service Using DSCP bookmark901 bookmark901.
  5. Save the configuration and click Restart if it appears at the top of the screen.

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You can override the Grid and member DSCP value at the interface level. For more information, see the following:

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This section provides tables that detail the port usage and source and destination ports for different services, depending on your Grid configuration.
Table 8.3 bookmark904 displays the type of traffic per port for both Grid and independent deployments. For a more detailed list of the different types of traffic, see Table 8.5 bookmark906.

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Table 8.3 Appliance Roles and Configuration, Communication Types, and Port Usage

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To see the service port numbers and the source and destination locations for traffic that can go to and from a NIOS appliance, see Table 8bookmark906. 5. This information is particularly useful for firewall administrators so that they can set policies to allow traffic to pass through the firewall as required.

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  1. From the Grid tab, select the Grid Manager tab -> Members tab -> Grid_member check box, and then click the Edit icon.
    Note: You must enable the MGMT port before modifying its port settings. See Using the MGMT Port.
  2. In the Network tab of the Grid Member Properties editor, the Required Ports and Addresses table lists the network settings that were configured. This table lists the network settings of LAN1(IPv4) interface for an IPv4 member and LAN1(IPv6) interface for an IPv6 member. For a dual mode Grid member, this table lists the settings for both LAN1(IPv4) and LAN1(IPv6) interfaces. Complete the following to modify port settings:
    • Interface: Displays the name of the interface. You cannot modify this.
    • Address: Click the field and modify the IP address for the LAN1 port, which must be in a different subnet from that of the LAN2 and HA ports.
    • Subnet Mask (IPv4) or Prefix Length (IPv6): For IPv4 address, click the field and specify an appropriate subnet mask and for IPv6 address, specify the prefix length.
    • Gateway: Click the field and modify the default gateway for the LAN1 port.
    • VLAN Tag: Click the field and enter the VLAN tag ID if the port is configured for VLANs. You can enter a number from 1 to 4095. For information about VLAN, see About Virtual LANs bookmark899.
    • 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.
    • DSCP Value: Displays the Grid DSCP value. To modify, click Override and enter the DSCP value. You can enter a value from 0 to 63. For information about DSCP, see Implementing Quality of Service Using DSCP. bookmark901bookmark901
  3. Save the configuration and click Restart if it appears at the top of the screen.

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