668 DHCPv6 Commands
User Guidelines
If
relay-address
is an IPv6 global address, then
relay-interface
is not required.
If
relay-address
is a link-local or multicast address, then
relay-interface
is
required. Finally, a value for
relay-address
is not specified, then a value for
relay-interface
must be specified and the DHCPV6-ALLAGENTS multicast
address (i.e. FF02::1:2) is used to relay DHCPv6 messages to the relay server.
Example
The following example configures VLAN 15 for DHCPv6 relay functionality.
console(config)#interface vlan 15
console(config-if-vlan15)#ipv6 dhcp relay destination
2020:1::1
ipv6 dhcp relay-agent-info-opt
Use ipv6 dhcp relay-agent-info-opt command in Global Configuration mode
to configure a number to represent the DHCPv6 Relay Agent Information
Option. The DHCPv6 Relay Agent Information Option allows for various
sub-options to be attached to messages that are being relayed by the local
router to a relay server. The relay server may in turn use this information in
determining an address to assign to a DHCPv6 client.
Syntax
ipv6 dhcp relay-agent-info-opt
option
•
option
— Agent information option. (Range: 54-65535)
Default Configuration
The default value for
option
is 54.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
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