[Click] some question about Click router

[Lan Xue]

Hi Eddie,

I'm trying to configure a router that simply delivers IP packets between
two machines. To do this , the router receives IP packets from device by
FromDevice(eth0, FORCE_IP true), strips the first 14 bytes of ethernet
header, check the IP header and so on. Problem happens at CheckIPHeader,
when one of the machines tries to ping the other one via the router, the
router will print messages like "IP header check failed: bad IP
version". It keeps printing the messages even when the sender has stopped
pinging the receiver. I'm very confused about from where the packets the
router received after ping stops come? And what is the IP version
acceptable to the router?

Thank you very much for your help.

Lan

On Mon, 30 Jun 2003, Eddie Kohler wrote:

> Hi Lan,
>
> > i was wondering how to specify keywords when use an element,
> > e.g, FromDevice(), i wanted to use FORCE_IP with FromDevice(eth0, 0,
> > 2046, FORCE_IP), however, the compiler complains that i used too many
> > arguments. i also tried FromDevice(eth0, FORCE_IP), doesn't work either.
>
> Keyword arguments always require values. The FORCE_IP keyword argument has
> type boolean (it says that on the man page), so you should say "FORCE_IP
> true".
>
> Let us know if this doesn't work.
> Eddie
>