Chapter 14
| IP Configuration
Setting the Switch’s IP Address (IP Version 6)
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Parameters
These parameters are displayed:
VLAN Mode
◆ 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 Autoconfig – Enables stateless autoconfiguration of an IPv6 address
on an interface and enables IPv6 functionality on that interface. The network
portion of the address is based on prefixes received in IPv6 router
advertisement messages, and the host portion is automatically generated
using the modified EUI-64 form of the interface identifier (i.e., the switch’s MAC
address).
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If a link local address has not yet been assigned to this interface, this
command will dynamically generate one. The link-local address is made
with an address prefix in the range of FE80~FEBF and a host portion based
the switch’s MAC address in modified EUI-64 format. It will also generate a
global unicast address if a global prefix is included in received router
advertisements.
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When DHCPv6 is restarted, the switch may attempt to acquire an IP address
prefix through stateful address autoconfiguration. If the router
advertisements have the “other stateful configuration” flag set, the switch
will attempt to acquire other non-address configuration information (such
as a default gateway).
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If auto-configuration is not selected, then an address must be manually
configured using the Add Interface page described below.
◆ Enable IPv6 Explicitly – Enables IPv6 on an interface. Note that when an
explicit address is assigned to an interface, IPv6 is automatically enabled, and
cannot be disabled until all assigned addresses have been removed. (Default:
Disabled)
Disabling this parameter does not disable IPv6 for an interface that has been
explicitly configured with an IPv6 address.
◆ MTU – Sets the size of the maximum transmission unit (MTU) for IPv6 packets
sent on an interface. (Range: 1280-65535 bytes; Default: 1500 bytes)
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The maximum value set in this field cannot exceed the MTU of the physical
interface, which is currently fixed at 1500 bytes.
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IPv6 routers do not fragment IPv6 packets forwarded from other routers.
However, traffic originating from an end-station connected to an IPv6
router may be fragmented.
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All devices on the same physical medium must use the same MTU in order
to operate correctly.
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