在某路由器上运行 display ipv6 interface vlan-interface1 verbose命令显示信息如下: Vlan-interface1 current state :UP
Line protocol current state :UP
IPv6 is enabled, link-local address is FE80::2010:1
No global unicast address configured
Joined group address(es):
FF02::1:FF10:1
FF02::2
FF02::1
MTU is 1500 btes
ND DAD is enabled, number of DAD attempts: 1
ND reachable time is 30000 milliseconds
ND retransmit interval is 1000 milliseconds
ND advertised reachable time is 0 milliseconds
ND advertised retransmit interval is 0 milliseconds
ND router advertisements are sent ever600 seconds
ND router advertisements live for 1800 seconds
Hosts use stateless autoconfig for addresses
从上述信息可以得知 ______。(多项选择题)