nanog mailing list archives
ATM Switch Interoperability
From: "Martin, Christian" <CMartin () mercury balink com>
Date: Fri, 15 Jan 1999 23:03:10 -0500
All, Does anyone have an experience dealing with cell loss between LS1010s and Cascade/Ascend CBX 500s using VBRnrt? It appears that either the LS1010 or the CBX is performing UPC operations differently, as we are seeing between .1 and 2% packet loss at the AAL, and .1 to .5% at the cell level. By allowing flexibility in the policing, or by removing policing completely on the Cascade boxes, cell loss disappears. It appears that the LS may be sending cells too close together, but we are unsure and cannot truly test thi without an Analyzer, of which no one here has any experience using (even if we had one!). The parameters are as follows: 7513 w/AIP PCR 30000 SCR 15000 mbs 3 (*32) = 96 AAL5SNAP LS1010 CDVT 600 mbs 100 cell times PCR 30000 CLP0+1 SCR 15000 CLP0 Cascade (As far as I know) mbs 100 PCR 70754 cells/sec SCR 35377 cells/sec CDVT 600 I apologize for the vendor references, and I hope some don't view this as off-topic! Regards, Chris
Current thread:
- ATM Switch Interoperability Martin, Christian (Jan 15)
- Re: ATM Switch Interoperability Alex Bligh (Jan 16)
- <Possible follow-ups>
- RE: ATM Switch Interoperability Webb, Tremayne (Jan 15)
- RE: ATM Switch Interoperability Martin, Christian (Jan 15)
- Re: RE: ATM Switch Interoperability Steve Murray (Jan 19)
- Re: ATM Switch Interoperability Alex Bligh (Jan 19)
- RE: RE: ATM Switch Interoperability Martin, Christian (Jan 20)