Address: Enter the IP address you want to add to the loopback interface.Interface: Displays Additional Address (loopback).You cannot configure the subnet mask, prefix length, gateway, or port settings. You can only enter the IP address you want to add to the loopback interface. You cannot configure Additional Address (loopback) (IPv4) interface for an IPv6 Grid member and Additional Address (loopback) (IPv6) interface for an IPv4 Grid member. You define each type in their own table.Ĭlick the Add icon in the Additional Ports and Addresses table and select Additional Address (loopback) (IPv4) or Additional Address (loopback) (IPv6) from the drop-down list. You can add an IPv4 or IPv6 address on the loopback. In the Grid Member Properties Editor, select the Network tab -> Basic tab.From the Grid tab, select the Grid Manager tab -> Members tab -> Grid_member checkbox -> Edit icon.To configure an IP address on the loopback interface: However, if the LAN1 interface fails, the outgoing traffic will not be re-directed to any other interface and access to LAN2 and MGMT also fails.
When you configure multiple interfaces on the same subnet, the outgoing traffic from NIOS host which is received through LAN2 and MGMT is directed to the LAN1 router for all interfaces on the LAN1 subnet, irrespective of the destination IP. An Infoblox-4030 can replace three DNS cache servers that are active on the same network. Alternatively, you can use a /32 netmask (255.255.255.255) for IPv4, or /128 CIDR prefix for IPv6 with the same subnet as LAN1 interface to configure multiple interfaces. To configure LAN1, LAN2 and MGMT interfaces to the same IPv4 or IPv6 subnet, provide the same netmask for IPv4, or a CIDR prefix for IPv6, as the LAN1 interface. You can configure multiple interfaces on the Infoblox-4030 appliance only. After the server migration, you can shut down the old servers and use the new one for services.įigure 24.1 DNS Server Migration Using the Loopback Interface
You can add all three IP addresses to the loopback interface of a NIOS appliance, and then configure the appliance to provide DNS services on all addresses. The migration takes a few weeks and you want DNS services to be available on all three addresses during the migration. As illustrated in Figure 24.1, you have two existing DNS servers ( 192.204.18.11 and 192.204.18.12) and you want to replace these servers with a new one ( 192.204.18.88). You can configure IP addresses on the loopback interface to minimize service downtime during a server migration. For information, see Specifying Source Ports. For information, see Configuring IP Addresses on the Loopback Interface.
Add IP addresses to the loopback interface.To configure non-anycast addresses on the loopback interface, complete the following: When you use the loopback interface for anycast addressing, the upstream and neighboring routers can continue to advertise anycast addresses without being affected by hardware malfunctions.
Separate DNS traffic by assigning an IP address as the source port for DNS queries.For information, see About Anycast Addressing for DNS. Add anycast addresses to improve the reliability and performance of DNS services in multiple locations.Configure IP addresses to consolidate DNS servers for migration purposes.You can do the following on the loopback interface: The loopback interface is a virtual network interface on the appliance.
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