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2. (Optional.) Configuring path MTU discovery
{ Setting the interface MTU
{ Setting a static path MTU for an IPv6 address
{ Setting the aging time for dynamic path MTUs
3. (Optional.) Controlling sending ICMPv6 messages
{ Configuring the rate limit for ICMPv6 error messages
{ Enabling replying to multicast echo requests
{ Enabling sending ICMPv6 destination unreachable messages
{ Enabling sending ICMPv6 time exceeded messages
{ Enabling sending ICMPv6 redirect messages
{ Specifying the source address for ICMPv6 packets
4. (Optional.) Enabling IPv6 local fragment reassembly
Configuring an IPv6 global unicast address
About IPv6 global unicast address
Use one of the following methods to configure an IPv6 global unicast address for an interface:
• EUI-64 IPv6 address—The IPv6 address prefix of the interface is manually configured, and the
interface ID is generated automatically by the interface.
• Manual configuration—The IPv6 global unicast address is manually configured.
• Stateless address autoconfiguration—The IPv6 global unicast address is generated
automatically based on the address prefix information contained in the RA message.
• Prefix-specific address autoconfiguration—The IPv6 global unicast address is generated
automatically based on the prefix specified by its ID. The prefix can be manually configured or
obtained through DHCPv6.
You can configure multiple IPv6 global unicast addresses on an interface.
Manually configured global unicast addresses (including EUI-64 IPv6 addresses) take precedence
over automatically generated ones. If you manually configure a global unicast address with the same
address prefix as an existing global unicast address on an interface, the manually configured one
takes effect. However, it does not overwrite the automatically generated address. If you delete the
manually configured global unicast address, the device uses the automatically generated one.
Generating an EUI-64 IPv6 address
1. Enter system view.
system-view
2. Enter interface view.
interface interface-type interface-number
3. Configure an EUI-64 IPv6 address on the interface.
ipv6 address { ipv6-address prefix-length |
ipv6-address/prefix-length } eui-64
By default, no EUI-64 IPv6 address is configured on an interface.
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