Planet Networking & Communication SGS-6340-24T4S Command Manual page 558

Function:
To enable the debugging information of DHCPv6 server, the no form of this command will disable the debugging.
Parameter:
event is to enable debugging messages for DHCPv6 server events, such as address allocation; packet is for
debugging messages of protocol packets of DHCPv6 server.
Default:
Disabled.
Command Mode:
Admin Mode.
Example:
Switch#debug ipv6 dhcp server packet
31.8 dns-server
Command:
dns-server <ipv6-address>
no dns-server <ipv6-address>
Function:
To configure the IPv6 address of the DNS server for DHCPv6 client; the no form of this command will remove the
DNS configuration.
Parameter:
<ipv6-address> is the IPv6 address of DNS Server.
Default:
No configured address pool of DNS Server by default.
Command Mode:
DHCPv6 Address Pool Configuration Mode.
Usage Guide:
For each address pool, at most three DNS server can be configured, and the addresses of the DNS server must be
valid IPv6 addresses.
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