Re: IP over SONET considered harmful?

On Fri, Mar 20, 1998 at 02:57:04PM -0800, Kent W. England wrote:

(For those who don't remember the NSFNET "routers" they consisted of an IBM RS6000 attached to each of several T1/T3 interfaces, interconnected across a FDDI with a route server. Nine RS6000s in all. 200 amp service required. :-)

You can borrow a frame of our SP/2 to recreate it if you'd like :). Aside from the TTL issue and worrying about interlopers snooping a layer 2.5 topology. Was there any thought put into a tool such as traceroute to follow an Tag/Mpls path. -pee