In the case of more powerful routers the default
cachesize value == 150 is too small and can easily
be extended to 1,000's and 10,000's of entries.
It makes sense to make it easy configurable.
Tested on Netgear R7800
Signed-off-by: Marc Benoit <marcb62185@gmail.com>
Fix whitespace, edit the proposed help text.
Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>