[c-nsp] deactivate line with too many packet drops?

[oboehmer at cisco.com]

Gert,

> is there a way (e.g. using BFD, or some other magic smoke) to
> deactivate a line that has more than "x" percent packet loss?

in theory, there is PPP LQM (RFC1989) which measures packets
sent+received (IOS cmd "ppp quality <percentage>"), but there are hardly
any customers using this feature. Not sure why, but maybe they rather
want to make this decision manually using appropriate alarm functions in
their NMS.

	oli