Specifications

FRSM-4E1 Specification
Specifications B-15
System Interface
Virtual Circuits
ATM Layer: Per CCITT I.361 and ATM UNI v3.1
AAL Layer: AAL5 per Draft CCITT I.363
FR-Cell Interworking: Per Draft CCITT I.555 and I.36x.1, as summarized in “Frame
Relay Forum, FR/ATM PVC Interworking Implementation
Agreement FERF.5”
Channels (Endpoints): 256 per card—may be allocated across any of the frame relay
interfaces
Counters:
Service Counters: Number of frames received (s)
Number of bytes received (s)
Number of frames received with DE already set (s)
Number of bytes received with DE already set (s)
Number of frames received with unknown DLCI
Number of frames received but discarded (s)
Number of received bytes discarded (s)
Number of received bytes discarded due to exceeded Q-Depth (s)
Number of frames received and discarded due to:
intershelf alarm
exceeded DE threshold (s)
exceeded Q depth (s)
Number of frames received with FECN set
Number of frames received with BECN set
Number of frames received tagged FECN
Number of frames received tagged BECN
Number of frames transmitted (s)
Number of bytes transmitted (s)
Number of frames transmitted with DE set (s)
Number of frames discarded due to reassembly errors (s)
Number of frames transmitted during LMI logical port alarm(s)
Number of frames transmitted with FECN set (s)
Number of frames transmitted with BECN set (s)
Number of transmit frames discarded (s)
Number of transmit bytes discarded
Number of transmit frames discarded due to: CRC error (s)
egress Q depth exceeded (s)
egress DE threshold exceeded source abort physical link failure (T1)