Work on ipaccess-config and software load

Holger Freyther zecke at
Wed Dec 30 11:12:10 CET 2009

On Wednesday 30 December 2009 10:59:05 Sylvain Munaut wrote:
> >        - For the nanoBTS in the SW Load Init and Load End message one
> > needs to add the SW_DESCR IE but without a length. 12.21 would probably
> > require the length but this is omitted. The other part is that the file
> > id must be set to "id\0" and the version to "version\ 0" or at
> >          least was set like this in the example trace I had.
> >        - Strings must be written with the '\0' in it.
> - Actually the SW_DESCR IE doesn't have a length. It's defined in 12.21 -
> 9.4.62 as having a File ID IE followed by a File Version IE and since both
> have length, they don't use a length for SW_DESCR.

Argh, I was looking at 9.4.61 and saw a length (off by one)... okay this is one 
more thing we can fix in the wireshark OML plugin now.

> - And for the \0 things, I thing the file id and file version can be just
> any binary blob and they just choose to use zero terminated strings ...

Yes, maybe the nanoBTS will take any id and version... in the trace they were 
using the "id\0" and "version\0" string though.

> So they just match 12.21 closely AFAICS :)


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