Hey Rick, One question that had me thinking, How will the DTE (in this case R1) translate the BECN received from Ra to notify the source which is behind R1 that congestion is occuring and that he should slow sown transmission? TIA
Wesley ""rick"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > The bits are set by the equipment in the FR cloud. > > > | | > R1------|------Ra-----Rb----Rc-----|---------R2 > | | > FR boundry FR boundry > > > In a simplified drawing like this if the link from router Rb to Rc was > becoming congested Rb would notify Ra of the congestion and Ra would > notify R1 that there is FORWARD CONGESTION and to slow down data > the transmission rate. > > > > On Wed, 18 Dec 2002, Deepak Achar wrote: > > > Hi all > > I have very basic doubt regarding the frame-relay congestion control. > > > > I have two routers which are connected thro' FR network.This is as follows > > > > > > R1---------------FR cloud-------FR cloud------------------R2 > > > > Now suppose the congestion is occuring in the path R1 to R2 and there is no > > congestion in the path from R2 to R1. > > According to theory, FR network will set the FECN bit to a 1 in those > > frames that r going form R1 to R2. The FR network will set the BECN bit to > a > > 1 in those frames that r going from R2 to R1. > > My thinking is if the network is already congested, would the frames be > > discarded before they reach the other end. If this is true, how will the > > other end router would come to know that the congestion is happening in the > > path. > > If the its not true, then how will those frames, with FECN and BECN bit > > set to 1, reach the FR routers at the end, even though there is congestion > > in the path. > > I am confused regarding this. Please can anyone helpme out in this > regard. > > > > Regards > > Deepak Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=59599&t=59478 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
