Specifications
B-26 Cisco MGX 8220 Reference, Release 4.1
AUSM Specification (4 Port)
ATM Interface
Virtual Circuits
ATM UNI v3.1, ITU-T G.804, per CCITT I.361.
Channel Configuration: 256 per card. May be allocated across any of the T1 (E1) ports.
VPI/VCI: VPI: 0–255.
VCI: 0–4096.
Traffic Classes: CBR, VBR, VBR+.
UPC Parameters: PCR, SCR (VBR), CCDV (CBR).
Congestion Control Support: ForeSight (towards Network for VBR+).
ForeSight Parameters: MIR, PIR, Rate Up, Rate Down, QIR, QIR Timeout, IBS.
Counters:
Per Port: Number of cells received from the interface.
Number of cells received with unknown VPI/VCI.
Last known VPI/VCI received from the port.
Number of cells discarded due to error in Cell Header.
Number of cells received with non zero GRC field.
Number of cells transmitted to the interface.
Number of cells transmitted for which EFCI was set.
Number of egress cells discarded due to service interface
physical alarm.
Endpoint (channel):
Ingress: Number of cells received from port.
Number of cells received from the port with CLP = 1.
Number of cells received from the port with EFCI = 1.
Number of cells from the port discarded due to queue exceeded
QDepth.
Number of cells (with CLP) set) discarded due to queue
exceeded CLP threshold.
Number of cells from the port for which CLP was set due to
UPC violations.
ATMizer channel counters:
Ingress: Number of cells transmitted to CellBus.
Number of cells to cell bus for which EFCI was set.
Number of cells to cellbus discarded due to shelf alarm.