Sorry forgot to reply to all. I would say you made the correct decision. Likely the lab writer didn't know this fact, or didn't take it into consideration. I know I didn't, thanks for sharing.
-Marc On Thu, Oct 13, 2011 at 1:07 AM, Bob McCouch <[email protected]> wrote: > V1, 6.16 is a task about Frame Relay DE. The task indicates that HTTP > traffic should be the least likely to be dropped when entering the FR cloud > (but constrains you from using FRTS, GTS, or any MQC to make it happen). My > solution matched the DSG, essentially building an ACL that matches > everything other than WWW traffic, assigning that to a DE-list and applying > the DE-group to the appropriate DLCIs. > > I went a step further and disabled IP CEF for those frame-relay interfaces, > because I knew that the de-group/de-list function only works on process > switched traffic, per this note from the command reference: > > Frame Relay DE group functionality is supported on process-switched packets >> only. > > > I know this to be true because I once spent about 2 hours trying to figure > out the seemingly inconsistent behavior of this feature before I found that > little note. > > The DSG skips this and just applies the de-group, and then does a test by > sending packets from the router interface to which the de-group is applied, > and declares the task complete. Problem is, testing form the router's > interface results in process-switched packets that hit the de-group. But > transit packets through the router that are normally CEF switched would > definitely not be marked by this feature. > > Was I right to disable CEF processing in order to ensure the de-group would > actually mark the supposed WWW traffic that was going to come through it? > > Appreciate any insight or recommendations. > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com
