Dummy IP address for a node

[Chinmay Naugaria]

Is it possible to assign a dummy IP address to a node which I can use as destination in OnOffHelper?

[Konstantinos]

Hi,

What do you mean by dummy IP? All nodes are assigned with an IP address that can be used in OnOffHelper.

You can assign an extra IP (manually) to a node if you want. See the example in /examples/routing/static-routing-slash32.cc

Regards,

K.

[Tommaso Pecorella]

dummy ?

If you can use as a destination, it's not dummy. Please refine your ideas.

T.

[Chinmay Naugaria]

I wanted to add an extra IP address to the node without having to install the node on p2p,wifi etc.

Thanks, I will go through the code you mentioned.

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Chinmay Naugaria

Final Year

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Electrical Engineering
IIT Madras

"It is the hottest fire, that forges the hardest steel"

[Abraham Prabhakaran]

In IPv4 you can assign only one ip per interface and if u try to assign one more ip it will overwritten by interface.....but in IPv6 u can assign multiple ip per interface, u can try in ipv6.....

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[Tommaso Pecorella]

Thanks for trying to clarify one point, but... 

You can assign as many IP address as you want, even with IPv4.

The manual shows how to add an arbitrary IPv6 address to an interface, but you can do the same with IPv4.

Just change IPv6 in IPv4 in the code below.  

Ptr<Node> n0 = CreateObject<Node> ();
NodeContainer net (n0);
CsmaHelper csma;
NetDeviceContainer ndc = csma.Install (net);


NS_LOG_INFO ("Specifically Assign an IPv6 Address.");
Ipv6AddressHelper ipv6;
Ptr<NetDevice> device = ndc.Get (0);
Ptr<Node> node = device->GetNode ();
Ptr<Ipv6> ipv6proto = node->GetObject<Ipv6> ();
int32_t ifIndex = 0;
ifIndex = ipv6proto->GetInterfaceForDevice (device);
Ipv6InterfaceAddress ipv6Addr = Ipv6InterfaceAddress (Ipv6Address ("2001:db8:f00d:cafe::42"), Ipv6Prefix (64));
ipv6proto->AddAddress (ifIndex, ipv6Addr);

Cheers,

T.