GBIT router/switch/nic/driver questions

[Christoffer Pio]

> Hello,
>
> Can anyone tell me about performance issues re. freebsd
> in filtering bridge configuration, compared to router
> configuration? The filtering will take place between
> two ethernet gigabit interfaces. Also, what kind of ethernet
> fiber SX gigabit interface is recommended for production
> use? I need to continue maintaing high uptime and stability
> is primary concern, also it need to perform well and of course
> the driver must work well.
>
> How many NMBCLUSTERS do I need for a bussy 1 gbit ethernet
> filtering bridge or router? Other kernel issues to keep in mind?
>
> I use ipf for ip filtering. I was also wondering if there exist
> any dual fiber gigabit ethernet cards (two fiber-pairs on one
> card) in order to save pci slot space. Also, any
> considerations on pci bus bandwidth must be done?
>
> I will be grateful for any hints or comments.
>
> Please direct copy of response to cp at cvt.dk since I do
> not subscribe to any mailing lists.
>
> Thanks
> Christoffer Pio