SANtricity 11 Manuals (CA08872-010)

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Considerations for assigning IP addresses

By default, controllers ship with DHCP enabled on both network ports. You can assign static IP addresses, use the default static IP addresses, or use DHCP-assigned IP addresses. You also can use IPv6 stateless auto-configuration.

IPv6 is disabled by default on new controllers, but you can configure the management port IP addresses using an alternate method, and then enable IPv6 on the management ports using SANtricity System Manager.

When the network port is in a "link down" state, that is, disconnected from a LAN, the system reports its configuration as either static, displaying an IP address of 0.0.0.0 (earlier releases), or DHCP enabled with no IP address reported (later releases). After the network port is in a "link up" state (that is, connected to a LAN), it attempts to obtain an IP address through DHCP.

If the controller is unable to obtain a DHCP address on a given network port, it reverts to a default IP address, which might take up to 3 minutes. The default IP addresses are as follows:

Controller 1 (port 1): IP Address: 192.168.128.101
Controller 1 (port 2): IP Address: 192.168.129.101
Controller 2 (port 1): IP Address: 192.168.128.102
Controller 2 (port 2): IP Address: 192.168.129.102

When assigning IP addresses:

  • Reserve Port 2 on the controllers for our support usage. Do not change the default network settings (DHCP enabled).

  • To set static IP addresses for ETERNUS AB/HB series controllers, use SANtricity System Manager.

  • To use DHCP to assign the IP address of the controller, connect the controller to a network that can process DHCP requests. Use a permanent DHCP lease.

    The default addresses are not persisted across link down events. When a network port on a controller is set to use DHCP, the controller attempts to obtain a DHCP address on every link up event, including cable insertions, reboots, and power cycles. Any time a DHCP attempt fails, the default static IP address for that port is used.

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