Multi-Tech Systems S000573A Manuale Utente Scaricare il pdf (Pagina 31)

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UsingtheRouter’sWebInterface 31

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Definingtunnelstoyourdevice

SettingupGeneric RoutingEncapsulation(GRE)tunnels

Tunnelingallowstheuseofapublicnetworktoconveydataonbehalfoftworemoteprivatenetworks.Itis

alsoawaytotransformdataframestoallowthemtopassnetworkswithincompatibleaddressspacesoreven

incompatibleprotocols.

GenericRoutingEncapsulation(GRE)isatunnelingmechanismthatusesIPasthetrans

portprotocolandcan

beusedforcarryingmanydifferentpassengerprotocols.Thetunnelsbehaveasvirtualpoint‐to‐pointlinks

thathavetwoendpointsidentifiedbythetunnelsourceandtunneldestinationaddressesateachendpoint.

ConfiguringaGREtunnelinvolvescreatingatunnelinterface,whichisalogicalinterface,thenconfi

guringthe

tunnelendpointsforthetunnelinterface.

TosetupGREtunnels:

1. FromTunnels,selectGRETunnels.TheTunnels:GRETunnelspaneopens.

2. FromtheTunnels:GRETunnelspane,clickAddTunnel.

Aseriesofwizardpanelshelpsyouconfiguretheconnection.

3. IntheTu

nnelNamefield,enteranameforthenewtunnel.

4. Inthedescriptionarea,typeadescriptionthathelpsyoufurtheridentifythetunnel.ClickNext.

5. Inthenextwizardpane:

 IntheRemoteWANIPfield,typetheIPaddressofthegatewaytowhichyouwanttoconnect.

 (Optional)FromtheSavedNetworkdrop‐downlist,selectthenetworkthatistoberoutedthrough

thetunnel.Toselectalocalinterface:Selectthelocalinterfaceonwhichthetunnelisbeingcreated.

Eventually,thepacketsdestinedforthistunnelwillberoutedthroughit

 Ifyouarenotusingasavednetwork,intheNetworkRoutefield,typetheIPaddressofthenetwork

thatisroutedthroughthetunnel.

 Ifyouarenotusingasavednetwork,intheNetworkMaskfield,typethemaskofthenetwork.

 ClickAddRoute.ThedefinedGREtunnelconfigurationisaddedandappearsintheNetworkRoutes

list.

6. ClickFinish.

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Multi-Tech Systems S000573A Manuale Utente Pagina 31