The dhcpv6 client renew command updates the IPv6 address or prefix applied by a DHCPv6 client.
The dhcpv6 client renew command applies to only the DHCP client and updates the IPv6 address or prefix applied by the DHCPv6 client.
<HUAWEI> system-view [HUAWEI] interface vlanif 100 [HUAWEI-Vlanif100] ipv6 address auto dhcp [HUAWEI-Vlanif100] dhcpv6 client renew
# Manually update the applied IPv6 prefix.
<HUAWEI> system-view [HUAWEI] interface vlanif 100 [HUAWEI-Vlanif100] dhcpv6 client pd myprefix [HUAWEI-Vlanif100] dhcpv6 client renew