mac

299
Usage Guide: Because the option 37 information added by switch may associate with
third-party DHCPv6 servers, users can specify the remote-id content based on server
condition when default remote-id of the switch cannot satisfy the demand of server. The
enterprise-number together with vlan MAC address is used as the remote-id by default.
Example: Enable abc as the remote-id of DHCPv6 option 37.
Switch(Config-if-vlan1)# ipv6 dhcp relay remote-id abc
18.1.5 ipv6 dhcp relay remote-id option
Command: ipv6 dhcp relay remote-id option
no ipv6 dhcp relay remote-id option
Function: This command enables switch relay to support the option 37, the no form of
this command disables it.
Parameters: None.
Default: Disable the relay option 37.
Command Mode: Global configuration mode
Usage Guide: Only after this command is configured, DHCPv6 relay agent can add
option 37 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.
Example: Enable the switch relay to support option 37. The option 37 of switch relay is
disabled by default.
Switch(Config)#service dhcpv6
Switch(Config)#ipv6 dhcp relay remote-id option
18.1.6 ipv6 dhcp relay subscriber-id
Command: ipv6 dhcp relay subscriber-id <subscriber-id>
no ipv6 dhcp relay subscriber-id
Function: This command is used to set the form of adding option 38 in received DHCPv6
request packets, of which <subscriber-id> is the subscriber-id in user-defined option 38
and it is a string with a length of less than 128. The no operation of this command restores
subscriber-id in option 38 to vlan name together with port name such as
"Vlan2+Ethernet1/2".
Parameters: subscriber-id, user-defined content of option 38
Default: Set subscriber-id in option 38 to vlan name together with port name.
Command Mode: Interface configuration mode
Usage Guide: Because the option 38 information added by switch may associate with
third-party DHCPv6 servers, users can specify the subscriber-id content based on server