Passed the written today after a few attempts in the past. Feels good to have this exam in the rear view mirror and to be able to shift gears toward preparation for the lab exam. Thanks to all on this list for all of the insightful posts and topics that grace it. On to the *big* hill...
Pat Talbot, CCNP,CCDA,CNE -----Original Message----- From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]] Sent: Monday, November 12, 2001 1:07 PM To: [EMAIL PROTECTED] Subject: Re: 2 "Line Hit" Scenarios... [7:25928] At 10:12 AM 11/12/01, [EMAIL PROTECTED] wrote: >Ether normally is connectionless and unreliable, so the frame would be >dropped by the receiver if an error is detected. A higher layer protocol >will have to request transmission from the source. > >However, LLC type 2 service (used primarily for SNA) provides reliable, FYI, the reliability of LLC Type 2 is usually end-to-end (host-to-host). An end-station host would retransmit if a frame didn't get acknowledged, not a router or bridge. When is that not the case? (A CID-type question. ;-) By the way, LLC Type 2 is also used by NetBEUI, in addition to SNA. Priscilla >connection oriented service over ether. That's not particularly >relevant, though in your scenario, but I always found it an interesting >point. :-) > >Todd Carswell wrote: > > > > > > PCA-------B1-----------B2--------PCB > > >Question 2: There's an ETHERNET connection between B1 and B2. The bridges > > are still using Transparent Bridging and PCA sends a packet to PCB. Again, > > the frame has an error. Will B1 be the device to handle the >retransmission? > > >-- >Jason > >Boson BCMSN1 BSCN2 BSCI2 practice tests >E-Quizware CCIE practice test ________________________ Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=25979&t=25979 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
