During routine maintenance, you can run the following commands to check the IPv6 operating status.
display ipv6 interface [ interface-type interface-number | brief ]
For example, Display IPv6 interface information of GigabitEthernet 0/0/1.
[FW] display ipv6 interface GigabitEthernet 0/0/1 GigabitEthernet0/0/1 current state : UP IPv6 protocol current state : UP IPv6 is enabled, link-local address is FE80::2E0:FCFF:FE00:1708 Global unicast address(es): 2001:db8::1, subnet is 2001:db8::/64 Joined group address(es): FF02::1:FF00:1 FF02::2 FF02::1 FF02::1:FF48:3EF MTU is 1500 bytes ND DAD is enabled, number of DAD attempts: 1 ND reachable time is 30000 milliseconds ND retransmit interval is 1000 milliseconds ND stale time is 1200 seconds ND advertised reachable time is 0 milliseconds ND advertised retransmit interval is 0 milliseconds ND router advertisement max interval 600 seconds, min interval 200 seconds ND router advertisements live for 1800 seconds ND router advertisements hop-limit 64 ND default router preference medium Hosts use stateless autoconfig for addresses
display ipv6 statistics [ interface interface-type interface-number ]
<sysname> display firewall ipv6 session table verbose Current Total IPv6 Sessions : 2 ttp(0x54) VPN: public --> public ID: a28f5db1d1d405d559c0a15020 Zone: trust --> untrust Slot: 2 CPU: 0 TTL: 00:03:08 Left: 00:03:06* Interface: GigabitEthernet0/0/1 NextHop: 2001:db8:1::2 <--packets: 0 bytes: 0 --> packets: 1 bytes: 9,582 2001:db8:2::6E.0 --> 2001:db8:1::2.0 PolicyName: default unknown(0xaf) VPN: public --> public ID: a38f5db2169d8328559c0a11020 Zone: trust --> untrust Slot: 2 CPU: 0 TTL: 00:03:08 Left: 00:03:02* Interface: GigabitEthernet0/0/1 NextHop: 2001:db8:1::4 <--packets: 0 bytes: 0 --> packets: 1 bytes: 9,582 2001:db8:4::97.0 --> 2001:db8:1::4.0 PolicyName: default