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Setting the Switch’s IP Address (IP Version 6)
5-5
5
length, and using the EUI-64 form of the interface identifier to 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.
- Or you can include a general prefix for the network portion of the address (as
described under “Configuring an IPv6 General Network Prefix” on page 5-10).
When using this method, remember that the prefix length specified on the IPv6
Configuration page must include both the length of the general prefix and any
contiguous bits (from the left of the specified address) that are added to the
general prefix to form the extended network portion of the address.
• 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.
Command Attributes
• (Management) VLAN – ID of the configured VLAN (1-4093). 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.
• IPv6 Enabled – 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.
• IPv6 Default Gateway – Sets the IPv6 address of the default next hop router.
- An IPv6 default gateway must be defined if the management station is located
in a different IPv6 segment.
- An IPv6 default gateway can only be successfully set when a network interface
that directly connects to the gateway has been configured on the switch.
• IPv6 MTU – Sets the size of the maximum transmission unit (MTU) for IPv6
packets sent on an interface. (Range: 1280-65535 bytes, Default: 1500 bytes)
- 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.
- All devices on the same physical medium must use the same MTU in order to
operate correctly.
- IPv6 must be enabled on an interface before the MTU can be set.