Re: [ns] TCP conncetion too many?

[Lloyd Wood <l.wood@eim.surrey.ac.uk>]

On Fri, 22 Sep 2000, Pan Li wrote:

>      I run a simulation that many TCP connections compete a congestion
> link. I get following error when the connection number exceeds 32. How
> can I solve this problem?
> 
> Number of nodes exceeds node-field-size of 7 bits

That error occurs when you're using ns 2.1b5 or earlier, you have more
than 128 nodes in your simulation, and you haven't said
Node expandaddr
to expand the address space.

L.


>     while executing
> "error "Number of nodes exceeds node-field-size of $nodebits_ bits""
>     (procedure "_o3" line 4)
>     (Simulator check-node-num line 4)
>     invoked from within
> "$self check-node-num"
>     (procedure "_o3" line 18)
>     (Simulator node line 18)
>     invoked from within
> "$ns node"
> .......
> 
> 

<L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>