文章内容
Frame Relay
作者：佚名 来源：本站整理 发布时间：2012-01-10 20:05:56
DLPI STREAMS Driver for Frame Relay
- Implements DLPI Ver 2.0
- STREAMS Multiplexor driver
- Compatible with UNIX 5.3 and 5.4, QNX and Linux
- Network management support
- Uses CDI to interface to physical line driver below
- Supports user API and TCP/IP interface
CDI STREAMS Driver for Physical Line Driver
- STREAMS device driver
- Compatible with UNIX 5.3 and 5.4, QNX and Linux
- Network management support
- Drivers for a variety of synchronous boards
Frame Relay Protocol Standards
- T1.606
- LMI, Annex D
- ISDN compatible
- T1.602 (LAPD) core services
- Q.921 LAPD available
Configurable Parameters
- Committed information rate
- Committed rate measurement interval
- Committed burst size
- Excess burst size
- Encapsulation type
- LMI type and options
Frame Relay Features
- Multiple physical links
- Multiple PVCs per link
- Data metering according to CIR
- Adjustable measurement interval
- Congestion signaling
- Invalid frame signalling
- Use of LMI and Annex D to manage the link
- LAPD core framing
- Statistics gathering
- Trace buffers for diagnostic procedures
Frame Relay Line Level Features
- Maximun frame size
- Watchdog timer on transmissions
- Inter-frame delay option
- Oscillation detection for modem signals
- Statistics: CRC errors, underruns, overruns, aborts, number of bytes transmitted/received, others
Physical Interfaces
- V.35/RS232
- 56Kbps DDs
- T1 or fractional T1
