DHCPv6 Relay configuration on S series switch

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S series switches (except S1700 switches) support the DHCPv6 relay function, which can be configured using either of the following methods:
- Configure an IPv6 address for the DHCPv6 server or the next-hop relay agent on an interface.
[HUAWEI] dhcp enable
[HUAWEI] ipv6
[HUAWEI] interface vlanif 100
[HUAWEI-Vlanif100] ipv6 enable
[HUAWEI-Vlanif100] dhcpv6 relay destination fc00:1::1 //Enable DHCPv6 relay and configure an IPv6 address for the DHCPv6 server or the next-hop relay agent.
- Bind a DHCPv6 server group on an interface.
[HUAWEI] dhcp enable
[HUAWEI] ipv6
[HUAWEI] dhcpv6 server group DHCPv6-srv1 //Create a DHCPv6 server group.
[HUAWEI-dhcpv6-server-group-DHCPv6-srv1] dhcpv6-server fc00:1::1 //Add a DHCPv6 server with IPv6 address fc00:1::1
[HUAWEI-dhcpv6-server-group-DHCPv6-srv1] quit
[HUAWEI] interface vlanif 100
[HUAWEI-Vlanif100] ipv6 enable
[HUAWEI-Vlanif100] dhcpv6 relay server-select DHCPv6-srv1 //Bind the DHCPv6 server group on the interface.
For details about DHCPv6 relay support of S series switches, see information on the right.

Other related questions:
DHCPv6 Relay configuration on S series switch
S series switches (except S1700 switches) support the DHCPv6 relay function, which can be configured using either of the following methods: - Configure an IPv6 address for the DHCPv6 server or the next-hop relay agent on an interface. [HUAWEI] dhcp enable [HUAWEI] ipv6 [HUAWEI] interface vlanif 100 [HUAWEI-Vlanif100] ipv6 enable [HUAWEI-Vlanif100] dhcpv6 relay destination fc00:1::1 //Enable DHCPv6 relay and configure an IPv6 address for the DHCPv6 server or the next-hop relay agent. - Bind a DHCPv6 server group on an interface. [HUAWEI] dhcp enable [HUAWEI] ipv6 [HUAWEI] dhcpv6 server group DHCPv6-srv1 //Create a DHCPv6 server group. [HUAWEI-dhcpv6-server-group-DHCPv6-srv1] dhcpv6-server fc00:1::1 //Add a DHCPv6 server with IPv6 address fc00:1::1 [HUAWEI-dhcpv6-server-group-DHCPv6-srv1] quit [HUAWEI] interface vlanif 100 [HUAWEI-Vlanif100] ipv6 enable [HUAWEI-Vlanif100] dhcpv6 relay server-select DHCPv6-srv1 //Bind the DHCPv6 server group on the interface. For details about DHCPv6 relay support of S series switches, see information on the right.

Does DHCPv6 relay support PD relay on S series switch
Since V100R006C00, S series switches (except S1700 switches) support the Prefix Delegation with DHCP (DHCPv6-PD). You can view, delete, automatically generate, or manually configure routing information in the DHCPv6-PD table. The routing information in the DHCPv6-PD table will not be lost after the switch restarts.

Does the S series switch used as the DHCPv6 relay agent support PD relay
The S series switch (excluding the S1700) used as the DHCPv6 relay agent supports PD relay starting from V100R006C00. The switch can query, delete, and automatically generate routing information in the DHCPv6-PD table. You can manually configure routing information in the DHCPv6-PD table. The routing information in the DHCPv6-PD table is not lost after the switch restarts.

DHCPv6 support on S series switch
Versions and models of S series switches (except S1700 switches) that support DHCPv6 are as follows: - S9300 and S7700 series switches in V100R003 and later versions - S3700SI, S3700EI, S5700SI, and S5700EI switches in V100R005 and later versions - S3700HI, S5700HI, and S6700EI switches in V100R006 and later versions - S9700 series, S5700LI, S5700S-LI, S5710-C-LI, and S5710EI switches in V200R001 and later versions - S2750EI and S5710HI switches in V200R003 and later versions - S12708 and S12712 switches in V200R005 and later versions - S1720, S2720EI, and S5720HI switches in V200R006 and later versions - S5720EI switches in V200R007 and later versions

Why clients cannot go online when S series switch functions as a DHCPv6 relay agent
A PC may fail to go online when an S series switch functions as the DHCPv6 relay agent due to the following: If the PC is directly connected to the switch, check multicast packet statistics on the interface connected to the PC. If the inbound counter is 0, the firewall of the PC may have discarded DHCPv6 Request messages. In this case, disable the firewall and obtain an IP address again.

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