From: Paul Mackerras <paulus@xxxxxxxxx> Date: Wed, 22 Dec 2010 09:44:00 +1100 > On Mon, Dec 20, 2010 at 07:58:33PM -0800, Stephen Hemminger wrote: > >> Linux would not connect to other router running old version Cisco IOS (12.0). >> This is most likely a bug in that version of IOS, since it is fixed >> in later versions. As a workaround this patch allows a module parameter >> to be set to disable compressing the protocol ID. >> >> See: https://bugzilla.vyatta.com/show_bug.cgi?id=3979 >> >> RFC 1990 allows an implementation to formulate MP fragments as if protocol >> compression had been negotiated. This allows us to always send compressed >> protocol IDs. But some implementations don't accept MP fragments with >> compressed protocol IDs. This parameter allows us to interoperate with >> them. The default value of the configurable parameter is the same as the >> current behavior: protocol compression is enabled. If protocol compression >> is disabled we will not send compressed protocol IDs. >> >> This is based on an earlier patch by Bob Gilligan (using a sysctl). >> Module parameter is writable to allow for enabling even if ppp >> is already loaded for other uses. >> >> Signed-off-by: Stephen Hemminger <shemminger@xxxxxxxxxx> > > Acked-by: Paul Mackerras <paulus@xxxxxxxxx> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-ppp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html