Enterasys Networks XSR CLI ip address negotiated, ip multicast-redirect

Interface VPN Commands
14-126 Configuring the VPN
ip address negotiated
ThiscommandmarkstheVPNinterfacetodynamicallygetitsIPaddressviathetunnelprotocol.
PPTPandL2TPprotocolsusePPPIPCPandIPSec/IKEusestheModeConfigurationprotocol.
Syntax
ip address negotiated
Syntax of the “no” Form
no ip address negotiated
Mode
InterfaceInternetProtocolconfiguration:XSR(config-int<vpn>)#
Example
ThefollowingexamplesetstheVPNinterfacetogetitsIPaddressfromthetunnelprotocol:
XSR(config)#interface vpn 57 point-to-point
XSR(config-int<vpn>)#ip address negotiated
ip multicast-redirect
Thiscommandcontrolsredirectionofmulticastpacketstotheunicastaddressoftheremote
tunnelendpointortoanexplicitlydefinedaddresssuchasanotherIPaddressattheendofan
unnumberedtunnel.ThecommandisusefulbecausenativeIPSectunnelsattachedtoVPN
interfaceswillnoteasilyforwardmulticasttrafficwithoutsubstantialcryptomapconfiguration.
MulticastredirectionmustbeenabledtosupportRIPoverIPSectunnelswhenexplicitmulticast
policyrulesarenotincludedintheSecurityPolicyDatabase.RedirectionisnotrequiredforPPTP
andL2TPtunnels.
Syntax
ip multicast-redirect [tunnel-endpoint | ip-address]
Syntax of the “no” Form
Thenoformofthecommanddisablesmulticastpacketredirectionandallowsmulticasttrafficto
flowthroughthetunnelwithoutmodification:
no ip multicast-redirect [tunnel-endpoint | ip-address]
Note: Multicast redirection, if enabled, applies to all tunnels terminating at a point-to-multipoint VPN
interface.
tunnel-endpoint RedirectsmulticasttotheremotetunnelendpointʹsIPaddressas
dynamicallysetduringtunnelcreation.
ip-address Redirectsmulticasttraffictoanexplicit,predefinedaddress.