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31-12
31.15 ipv6 dhcp relay destination
Command:
ipv6 dhcp relay destination {[
<ipv6-address>
]
[interface { <
interface-name
> | vlan <
1-4096
> } ] }
no ipv6 dhcp relay destination { [
<ipv6-address>
]
[ interface { <
interface-name
> | vlan <
1-4096
> } ] }
Function:
To configure the destination to which the DHCPv6 relay forwards the DHCPv6 requests from the clients, the
destination should be the address of an external DHCPv6 relay or the DHCPv6 server. The no form of this command
will remove the configuration.
Parameters:
<ipv6-address>
is the address of the destination to which the DHCPv6 relay forwards;
<interface-name
>
or VLAN
is the interface name or VLAN id which is used for forwarding of DHCPv6 requests,
<interface-name
>
should be a
lay three VLAN name, and the VLAN id is limited between 1 and 4096. If
<
ipv6-addess
>
is a global unicast address,
the
interface
parameter should not be configured; If
<
ipv6-address
>
is an local address, the
interface
parameter is
required be configured; The destination address for the DHCPv6 server will be the multicast address of
ALL_DHCP_Servers (FF05::1:3)
, if the interface parameter is configured only.
Command Mode:
Interface Configuration Mode.
Default:
By default, destination address for DHCPv6 relay is not configured.
Usage Guide:
This command is used to configure the DHCPv6 relay for the specified interface, the address should be the address
of another DHCPv6 relay or the address DHCPv6 server. At most three relay addresses can be configured for an
interface. To be mentioned, the DHCPv6 relay stops working only if all the relay destination address configurations
have been removed. This command is mutually exclusive to
“
ipv6 dhcp server
” and “
ipv6 dhcp client pd
”
commands.
Example:
Switch(Config-if-Vlan1)#ipv6 dhcp relay destination 2001:da8::1