mac
300
condition when standard subscriber-id of the switch cannot satisfy the demand of server.
The vlan name together with physical port name is used as the subscriber-id in option 38
by default.
Example: Enable abc as the subscriber-id of DHCPv6 option 38.
Switch(Config-if-vlan1)# ipv6 dhcp relay subscriber-id abc
18.1.7 ipv6 dhcp relay subscriber-id option
Command: ipv6 dhcp relay subscriber-id option
no ipv6 dhcp relay subscriber-id option
Function: This command enables switch relay to support the option 38, the no form of
this command disables it.
Parameters: None.
Default: Disable the relay option 38.
Command Mode: Global configuration mode
Usage Guide: Only after this command is configured, DHCPv6 relay agent can add
option 38 in DHCPv6 request packets before sending it to server or next relay agent.
Make sure that DHCPv6 service has been enabled before execute this command. The
option 38 of switch relay is disabled by default.
Example: Enable the switch relay to support option 38.
Switch(Config)#service dhcpv6
Switch(Config)#ipv6 dhcp relay subscriber-id option
18.1.8 ipv6 dhcp relay subscriber-id select delimiter
Command: ipv6 dhcp relay subscriber-id select (sp | sv | pv | spv) delimiter WORD
(delimiter WORD |)
no ipv6 dhcp relay subscriber-id select delimiter
Function: Configures user configuration options to generate subscriber-id. The no form of
this command restores to its original default configuration, i.e. vlan name together with
port name.
Parameters: (sp | sv | pv | spv): a selection in combinations of slot, port and vlan, among
which sp represents slot and port, sv represents slot and vlan, pv represents port and
vlan, and spv represents slot, port and vlan.
WORD: the delimiter between slot,port and vlan which ranges among
(#|.|,|;|:|/|space). Note that there're two delimiter WORDs here, of which the former is the
delimiter between slot and port and the latter is the one between port and vlan.
Default: Null.










