>> Is it not possible to make this work, without placing it onto a different
subnet?
I don't think so. In the setup you posted, there is no need for the packets
to go over the rooter. They directly arrive at the target.
Another way would be to use bridging. They, they can be in the same subnet.
However nistnet still has bridging on the todo list. You could use netem to
do that though.
But with bridging, you have to separate your physical network. You already
have 2 betwork cards, so maybe you already did this.
Another idea that comes to my mind, but I'm not sure if it'll work: You
could yust give every pc an additional ip address in different subnets. Then
depending on which ip you use as a send target, the packet gets routed by A
and delayed, or not. E.g. add the following to your current setup:
A:
IP = 10.1.10.1 and 10.1.20.1
B:
IP = 10.1.10.121
Netmask = 255.255.255.0
Gateway 10.1.10.1
C:
IP = 10.1.20.18
Netmask = 255.255.255.0
Gateway 10.1.20.1
Now, if you do ping 10.1.10.121 from C, you get an delay and if you do ping
10.1.251.121 from C you don't. Well in theory, didn't try that though. You
also have to be carefull with gethostbyname and such nameresolver functions.
Depending on what windows actually does there, you might get the one ip or
the other. But if oyu only use direct ips it might work.
Best regards
Marc
-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Gesendet: Freitag, 4. November 2005 18:57
An: Marc Rochel
Betreff: Re: AW: [nistnet] working with nistnet
Hi Marc,
Thanks for your reply.
Problem I have is that all 3 machines are on the same network with the
following settings.
Machine A:
IP = 10.1.251.71 / 10.1.252.17 (two network cards) Netmask = 255.255.0.0
Machine B:
IP = 10.1.251.121
Netmask = 255.255.0.0
Gateway 10.1.250.64
Machine C:
IP = 10.1.252.18
Netmask = 255.255.0.0
Gateway = 10.1.250.64
Is it not possible to make this work, without placing it onto a different
subnet?
Thanks,
Latif Yahya
"Marc Rochel"
<[EMAIL PROTECTED]
om.de> To
<[EMAIL PROTECTED]>
04/11/2005 17:32 cc
Subject
AW: [nistnet] working with nistnet
Hi !
I have a similar setup. I placed B in a different subnet than C and let A
route between those subnets. That also works if A only has one physical
network adapter. You just have to give that adapter another ip address for
the second subnet.
Please ask for more information if that is what you actually want to do and
this is not enough info for you.
Best regards
Marc
-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Im
Auftrag von [EMAIL PROTECTED]
Gesendet: Freitag, 4. November 2005 15:37
An: [email protected]
Betreff: [nistnet] working with nistnet
Hi,
I have NISTnet running (on machine A) without problems (atleast I think I
do).
I have machine B(WIndows 2003 server) and machine C (Windows XP Pro).
I would like to configure it in a way so when machine B pings C, it goes via
A, so I can control the delay.
Already tried changing the gateway on B and C to A's IP, but would work.
Any ideas what I need to do?
Thanks
Latif Yahya
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