LLQ would be his best option, not WFQ. If he is using it, that's probably his issue.
-- RFC 1149 Compliant. ""lamb stephen"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Group, > Hoping that someone can help me out with a VoIP QoS issue that I am > currently dealing with. I work for a service provider, and I am currently > troubleshooting a VoIP over frame relay quality complaint. My end user has a > 768K host with four 256K drops dedicated solely to VoIP traffic. My customer > states that he experiences intermittent jitter on his calls, but they follow > no real pattern. We have had his vendor place test calls, and sometimes 7 > simultaneous calls can > go through fine while 3 simultaneous calls will experience poor call quality > and excessive jitter. The end user's vendor is of no real help with this > issue stating that his configurations are fine and the trouble must be with > the WAN link. > I have verified that the entire network is clean, no T1 performance > monitor errors , no input errors on the customer's serial interfaces, and no > input errors to my frame switch. No apparent utilization issues, the host > averaged 50% port utilization during a 24 hour sniff. We have also verified > the drops are not receiving any FECNs or BECNs. I have a copy of the > customer's router > configurations and his map-class statements appear to be correct as well. > His CIR and MINCIR are set to match the frame relay PVC CIR in my network > (which I believe means that he has configured the statements to prevent any > bursting, please correct me if I am wrong). > On to my question. The only discrepancy I find with this customer's > configuration is his queuing. On all four of his drop routers he has > configured WFQ, on his host he has no queuing specified. Could this be the > cause of all of his problems? Would WFQ be the most desirable method? What I > have read in the past led me to believe that a fragment statement in the > map-class was the most > desirable because it activated the dual-FIFO feature on the physical > interface. I do not have a great deal of experience with VoIP so all I have > to go on right now are theories. Any direction is greatly appreciated. > > Thanks, > Steve Lamb > CCDA, CCNA Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=55598&t=55597 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
