DCE at the Frame Relay layer: DSCC4 is a name that Infineon uses for the silicon core or architecture of their sync serial chip. This package should also be used with 2. It will usually have the following form: As for routed, gated et al, another obvious suggestion is:

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The “WAN router drivers” liunx subsection should really be called “Sangoma hardware drivers” and pretty much belongs into this category. Forget about user-space pppd in the first place. In other words, e.

Get the sethdlc util from Krzysztof Halasa’s page. This ndlc really be done automatically by the L2 full sets the modem to full duplex mode. He says that his setup suffers from the same problem. To help achieve this, there are two utilities: Francois Romieu for writing dscc4.

MPC UCC – HDLC | NXP Community

Arguably, with sync serial point-to-point WAN links, linx really care about whether or not the IP-over-L2 encapsulation protocol is ultimately up or down.

In WAN networking, line outages are something you have to deal with on automatic basis. Their menuconfig help seems to be out of date where it talks about X. I have installed all this on a system running RedHat 9, thus replacing its stock 2.


In contrast, almost none of the host of HDLC stacks take care, two notable exceptions being the drivers for x and Farsync. Now how come that the “sethdlc” util also supports a “ppp” encapsulation? To sum up, if limux in trouble getting the document referenced above, try searching for it using “V. This section will provide some pointers in helping you decide how you would like to configure your baycom ports.

Another possible point of view is that we don’t really need X. Generic HDLC and syncppp. From the basic documents from Francois Romieu about dscc4. Perhaps the FCD really needs the flow control lines, or perhaps something else needs to be loopbacked in my conversion plug. I have experienced reasonable ping round trips. The compile-time problem with sethdlc v.

CONFIG_HDLC: Generic HDLC layer

This is needed by some implementations of alternative channel access algorithms, e. If you use the DSCC4 against quality telco hardware, with proper cabling and interface matching, you’re likely on the safe side.

Noone is sending the clock, both parties are listening. A note on the modified version of sethdlc v1.


Generic PPP for Generic HDLC [1/3]

So we use a high-frequency crystal and a programmable frequency divider chip. As for routed, gated et al, another obvious suggestion is: Obviously, when the link is down, the protocol goes down too, automatically. Therefore I was planning to cut’n’paste their wiring tables here – except that after reading their copyright policy I didn’t dare to do that. Note that some modems do not actually support full duplex mode, in this case this parameter makes the modem start its transmission as soon as it gets packets from the upper layer, without waiting for the channel to become free.

There’s a single quartz oscillator per board per four channels.

The first combination I tried was a RedHat8. In effect, the reference to syncppp. There might be some cards out llinux that can do a G.