Nothing over 100 Mb this year. Numbers below are maximum bandwidth. The
2 Mb links are cable Internet, and the < 1 Mb are old DSL links used as
fail-over inter-building links.
Legend:
* Expect link saturation during peak times
+ light to moderate traffic load
- light traffic load
LEAF1:
eth0: 100 Mb *
eth1: 2 Mb
eth2: < 1 Mb
eth3: 50 Mb *
eth4: 50 Mb +
LEAF2:
eth0: 100 Mb *
eth1: 2 Mb
eth2: < 1 Mb
eth3: 50 Mb +
eth4: 100 Mb *
eth5: 50 Mb +
LEAF3:
eth0: 100 Mb *
eth1: 2 Mb
eth2: < 1 Mb
eth3: 10 Mb -
eth4: 100 Mb +
eth5: 10 Mb -
LEAF4:
eth0: 100 Mb -
eth1: 2 Mb
eth2: 10 Mb -
eth3: 10 Mb -
eth4: 10 Mb -
In the next 12 months we may upgrade some of the links to Gig Ethernet,
though. I'm pretty sure the PCI bus will be the bottleneck when we try
to run GE through the routers. At that point, I'll be looking to upgrade
the host computers and NICs to PCI/X.
--Cal Webster
On Thu, 2005-04-07 at 16:18, Peter Mueller wrote:
> > Intel: Intel(r) PRO/1000 MT Quad Port Server Adapter $337
> > Osicom: FE-2404-TX - 10/100BTX PCI FAST ENET NIC $329
> > D-Link: DFE-570TX 4 port 21143 card (avail only on eBay) $80
>
> > I'm thinking the Intel NIC would be best, but after looking
> > at it on intel.com I'm not sure it'll fit in a PCI slot. It
> > looks like a PCI/X card.
> >
> > My next choice would be the Osicom card for
> > price/performance, but I've never heard of them before. They
> > say it's based on the Intel 82559 and list "Linux" as a
> > supported OS so it should work.
> > Our firewall hardware platform uses a passive backplane
> > chassis with Cyber Research PIII-based single board
> > computers. I can't find the SBC documentation so I'm not sure
> > if it'll handle 64-bit PCI transfers. Even so, it shouldn't
> > be worse than 4 single port NICs.
> >
> > Which would you favor?
>
> You didn't mention your bandwidth requirements. I have heard the
> DLINK-DFE570TX card works, but if I were you I'd prefer the Intel-base cards
> that are new. If price is an issue look at the DLINK. Especially if you
> have extra time.
>
> Regards,
>
> P
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