Are you sure that your network connections are "shutting down"? What 
gives you that impression?

Some hints where NBU and network connectivity are concerned:

- make sure that both server NIC and switch port are hard set to 1000FDX
- increase client connection timeout to something like 4500
- increase client read timeout to something like 4500
- increase bpstart timout to something like 2500
- have you tweaked network buffers?

Other than that, it sounds like your running NBU under Windows, which my 
knowledge of is extremely limited. Maybe some others on the list can add 
some suggestions.

HTH,

Steve

Tommy Wu wrote:

>We are experiencing some unusual network connection problem between the
>NBU master server and NBU media servers. Once the backup jobs kick off,
>all the NetBackup server's network connections shutdown. Does anyone
>know any fix?
>DELL Power Edge 4600 with dual Gigabits NIC (Broadcom NIC).
>Thanks
>TWu
>
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