[ns] Please help: Error when send back packet to source agent!!!

[Di-Fa Chang]

you may not properly setup the connection between agents.
post your script so that other ns-users can see what is wrong.

On Fri, 2 Jan 2004, Garth dawson wrote:

>
> Hi all,
> Please patient if my question is trivial, I'm a new user in Ns.
> Could someone please explain to me why this error happen:
>
> I create the topology like this:
>
> ... -------n1 ------------- n0
>           / \
>          /   \
>         /     \
>     ....       \
>                n2
>
> Evrey Node in my topo is hierarchial node. Link between every 2 nodes is duplex-link.
> n0, n2 are placed in the same group, group of n1 is different from n2 & n0.
> When I send a packet from agent(0) (of n0) to agent(1) (of n1), everything is ok,
> but the error "classifier - no slot" would happen if i send back a packet from agent(1) to agent(0). I had already connect 2 agents: 1 and 0.
>
> When I changed the topo by adding duplex-link between n0 and n2, the error would not happen, the packet was tranfered to agent(0) by the path n(1) - n(2) - n(0).
> I couldn't understand why.
> Please give me some advice.
> Thank you very much.
> Garth.
>
>
>
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