Exchanges that matter...

*cough* *cough* Hate to jump into the middle of this wonderful
debate, but has anyone here been able to push more than 60-70mbs
through the fddi interfaces in the NetEdges anyhow? We've upgraded
to an oc3c line to MAE-West, and discoverd that lo and behold, you
don't get that much more out of the link than you did with a DS3
because the fddi cards top off not much farther up. Full duplex
is a nice thought, and would win us another 5-10mbs, but since
we are far and away a content provider (traffic ratio outbound to
inbound is close to 10:1 at MAE-West), what we're concerned about
is being able to deliver the content people are asking for. Opening
up the back channel from shared to full FDDI is a, well, "nice"
feature, but isn't nearly as attractive as getting better FDDI
cards for the NetEdges.

Well, order two FDDI ports at MAE-West, each into a router which has
two T3s back to your data center. Each two T3s should be able to do
90mbits/sec of hdlc or ppp framing back to you, and route back and
forth from the FDDI.

Or order an OC3 'WAN' link, but plug it into an AIP card in a 75xx
and pull 3 T3s back to your main site.

Can a Cisco AIP speak ATM to the wan port of a Gigaswitch?

Matt Petach
Network Engineer, InterNex (working from home)