Specifications

21-24
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 21 Configuring ATM Connections
ATM Connection Configuration
Note 1: - For UBR.2, SCR = 0
Note 2:
– CLP = Cell Lost Priority
– CLP(0) means cells that have CLP = 0
– CLP(1) means cells that have CLP = 1
– CLP(0+1) means both types of cells: CLP = 0 & CLP = 1
– CLP(0) has higher priority than CLP(1)
– CLP tagging means to change CLP = 0 to CLP = 1, where CLP= 1 cells have lower priority
Table 21-5 Traffic Policing Definitions
Connection Type
ATM Forum TM spec. 4.0
conformance definition
PCR Flow
(1st leaky
bucket)
CLP tagging
(for PCR
flow)
SCR Flow
(2nd leaky
bucket)
CLP tagging
(for SCR
flow)
CBR CBR.1
when policing set to 4
(PCR policing only)
CLP(0+1) no off n/a
CBR when policing set to 5
(off)
off n/a off n/a
UBR UBR.1
when CLP setting = no
CLP(0+1) no off n/a
UBR UBR.2
when CLP setting = yes
CLP(0+1) no CLP(0) yes
rt/nrt-VBR, ABR,
ATFR, ATFST
VBR.1
when policing set to 1
CLP(0+1) no CLP(0+1) no
rt/nrt-VBR, ABR,
ATFR, ATFST
VBR.2
when policing set to 2
CLP(0+1) no CLP(0) no
rt/nrt-VBR, ABR,
ATFR, ATFST
VBR.3
when policing set to 3
CLP(0+1) no CLP(0) yes
rt/nrt-VBR, ABR,
ATFR, ATFST
when policing set to 4 CLP(0+1) no off n/a
rt/nrt-VBR, ABR,
ATFR, ATFST
when policing set to 5
(off)
off n/a off n/a