On Jul 14, 2010, at 8:59 PM, Florian Weimer wrote: > There might be contractual reasons not to enable that feature. 8-/
Ignoring is generally pretty harmless; dropping can break traceroute, RSVP, et. al. Conversely, there are also generally pretty strong contractual reasons not to have one's edge routers go down due to excessive punts. ;> > Some vendors can process options in hardware, though. True. > It's probably not a high-priority issue for vendors until there are > network issues (as opposed to potential problems seen in labs), This is always true when it comes to security, and especially to availability. That being said, I know that at least one major vendor is cognizant of the header-extenstion issue, and is taking steps to mitigate the associated risk. > so it's going to take quite a bit of time. Yes, this is always the case, unfortunately. > Demand for devices with some IP-layer inspection capability that can handle > (Fast or Gigabit) > Ethernet at line rate, no matter what type of frames come in, is also > a pretty recent thing, and I would be surprised if vendors can provide > such capabilities across their entire relevant product line (where > they advertise line-based forwarding). With large vendors, these things are generally accomplished piecemeal, on a BU-by-BY, product-by-product basis. Unfortunate, but true, nonetheless. ----------------------------------------------------------------------- Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com> Injustice is relatively easy to bear; what stings is justice. -- H.L. Mencken