Archived from groups: comp.dcom.lans.ethernet (
More info?)
Interesting!
Boson test exams believe it to be 255, whilst TestKing believe it to be 1023!
Go figure!
Rygel
Rich Seifert <usenet@richseifert.com.invalid> wrote in message news:<usenet-EAC710.11183330112004@news.isp.giganews.com>...
> In article <d5db4614.0411300830.3fcc127a@posting.google.com>,
> rygel_16@hotmail.com (Wendy) wrote:
>
> > According to IEEE 802.2 LLC spec, what is the maximum transmit value
> > for LLC flow control?
> >
> > Many thanks in advance,
> > Rygel
>
> LLC-2 provides seven bits for the frame sequence number, thus there can
> be a maximum of (2^7 - 1) = 127 outstanding, unacknowledged frames. The
> "sliding window" is used for both flow and error control.
>
> Note that this applies ONLY to LLC Type 2, which is not commonly used
> (at least not on Ethernet). LLC Type 1 provides no flow control at all.