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Cisco-HDLC

ds: Linux kernel module for Cisco HDLC encapsulation


PDS Linux Kernel Device Driver

PDS Linux Kernel Device Driver is a driver for E1 devices connected via Ethernet. Currently, it is assumed that only one E1 device is connected to one Ethernet port: the driver sends messages via broadcast. (Adding the ability to work via unicast is not difficult, just no one needs it at the moment.)

The driver allows you to work in the so-called fake mode, in which it still returns a positive status without receiving a response from the device. (In configuration mode, data transmission is stateless.) In this mode, the PDS can be used as a virtual E1 tunnel: for example, it is useful for automated testing of E1/DAHDI configuration system.

As an add-on, there is also a simple implementation of the Cisco HDLC Ethernet encapsulation module. Keepalive messages are not supported.