Switch User Manual

ipv6 dhcp relay
SecureStack C3 Configuration Guide 24-11
Example
ThisexampleconfiguresroutinginterfaceVLAN7tobeaDHCPv6server,usingtheaddresspool
namedPoolA.
C3(su)->router(Config)# interface vlan 7
C3(su)->router(Config-if(Vlan 7))# ipv6 dhcp server PoolA
ipv6 dhcp relay
ThiscommandconfiguresaninterfaceforDHCPv6relayagentfunctionality.
Syntax
ipv6 dhcp relay { destination dest-addr interface intf | interface intf} [remote-id
{duid-ifid | user-defined-string}]
no ipv6 dhcp relay {destination dest-addr interface intf | interface intf}
Parameters
Defaults
Ifremote‐idisnotspecified,theRelayAgentInformationOptionRemote ‐IDsub‐optionisnot
addedtorelayedmessages.
Mode
Routerinterfaceconfiguration:C3(su)‐>router(Config‐if(Vlan1))#
Usage
Usethiscommandtoconfigurearoutinginterfaceasa DHCPv6relayagent.
AninterfacecanbeconfiguredaseitheraDHCPv6serveroraDHCPv6relayagent,butnotboth.
UsethenoformofthiscommandtoremoveDHCPv6relayagentfunctionalityfromaninterface.
destinationdest‐addr SpecifiestheIPv6
addressofaDHCPv6relayserver.ThisIPv6address
canbeaglobaladdress,amulticastaddress,oralink‐localaddress.
Iftheaddressisamulticastorlink‐localaddress,thenyoumustspecify
theinterfacetobeusedtocontacttherelayserverwiththeinterface
parameter.
interface
intf Specifiestheinterfacetobeusedtocontacttherelayserver.The
interfaceisidentifiedbyporttype.unitnumber.portnumber.For
example,
ge.3.1.
Ifdestinationdest‐addrisnotspecified,thenaninterfacemustbe
specifiedandtheDHCPV6‐ALL ‐AGENTSmult icastaddress(FF02::1:2)
isusedtorelayDHCPv6messagestotherelayserver.
remote‐id{duid‐ifid|
user‐defined‐string}
(Optional)SpecifiesthattheRelayAgentInformationOption
Remote‐IDsub‐
optionistobeaddedtorelayedmessages.
Specifyingduid‐ifidcausestheremoteIDtobederivedfromtherelay
agent’sDUIDandtherelayinterfacenumber.Alternatively,youcan
specifytheremoteIDasauser‐defined‐stringofalpha‐numeric
characters.RefertoRFC3046andRFC4649
formoreinformationabout
theRemote‐IDoption.