LevelOne GEL-1061 User Manual page 462

Chapter 17
| IP Configuration
Setting the Switch's IP Address (IP Version 6)
automatically create the low-order 64 bits in the host portion of the
address.
You can also manually configure the global unicast address by entering the
■
full address and prefix length.
◆
You can configure multiple IPv6 global unicast addresses per interface, but only
one link-local address per interface.
◆
If a duplicate link-local address is detected on the local segment, this interface
is disabled and a warning message displayed on the console. If a duplicate
global unicast address is detected on the network, the address is disabled on
this interface and a warning message displayed on the console.
◆
When an explicit address is assigned to an interface, IPv6 is automatically
enabled, and cannot be disabled until all assigned addresses have been
removed.
Parameters
These parameters are displayed:
◆
VLAN – ID of a configured VLAN which is to be used for management access. By
default, all ports on the switch are members of VLAN 1. However, the
management station can be attached to a port belonging to any VLAN, as long
as that VLAN has been assigned an IP address. (Range: 1-4094)
◆
Address Type – Defines the address type configured for this interface.
Global – Configures an IPv6 global unicast address with a full IPv6 address
■
including the network prefix and host address bits, followed by a forward
slash, and a decimal value indicating how many contiguous bits (from the
left) of the address comprise the prefix (i.e., the network portion of the
address).
EUI-64 (Extended Universal Identifier) – Configures an IPv6 address for an
■
interface using an EUI-64 interface ID in the low order 64 bits.
■ When using EUI-64 format for the low-order 64 bits in the host portion
of the address, the value entered in the IPv6 Address field includes the
network portion of the address, and the prefix length indicates how
many contiguous bits (starting at the left) of the address comprise the
prefix (i.e., the network portion of the address). Note that the value
specified in the IPv6 Address field may include some of the high-order
host bits if the specified prefix length is less than 64 bits. If the specified
prefix length exceeds 64 bits, then the bits used in the network portion
of the address will take precedence over the interface identifier.
IPv6 addresses are 16 bytes long, of which the bottom 8 bytes typically
■
form a unique host identifier based on the device's MAC address. The
EUI-64 specification is designed for devices that use an extended 8-
byte MAC address. For devices that still use a 6-byte MAC address (also
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