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> -- 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