> We have a number of Exchange Servers located on remote sites which
> communicate to the ADSM Servers in the Home Office via WAN links.
>
> In the past these Exchange Server backed up to an ADSM Server on MVS OE.
> However during the weekend we moved the backups to an RS/6000 based AIX
ADSM
> Server.
>
> When we did this the network util % on the WAN link hit 99%. While it's
nice
> to use all your bandwidth, it's not so good when it's at the expense of
all
> your other users on this WAN Link. (i believe the wan link is multiple
T1's)
>
> I believe this is because IP is much more efficent on the Rs/6000 than on
> MVS. However I'm now in the unusual position of wanting to reduce the
amount
> of bandwidth that the Connect Agent is trying to use. I'm wondering what
> settings I can use to achieve this. The first thing that comes to mind is
to
> reduce the number of buffers and perhaps the size of the buffers.
Currently
> they are set to 8,640. Will changing this reduce the IP load?
>
> TCPWindowsize is set to 63 and TCPBuffersize 32.
>
> TIA,
>
> Nathan
>
>
>
>
> Nathan King
> MCSE, IBM ADSM CS
> Open Systems Storage Management
> *  (210) 913-5755
> * Pager: 753-5755
> * E-mail: nathan.king AT usaa DOT com
>
> The opinions herein are mine and almost certainly do not reflect those of
my
> employer.
>