problem on ipfw using mac addresses

[h bagade]

Thanks Andrey and Paul for your useful help. It works fine now. Thank you
again.

On Wed, Jul 4, 2012 at 7:13 PM, Paul A. Procacci <pprocacci at datapipe.com>wrote:

> Have you set net.link.ether.ipfw?
>
> ~Paul
>
> On Wed, Jul 04, 2012 at 05:34:04PM +0430, h bagade wrote:
> > Hi all,
> >
> > I have a problem using ipfw firewall. I have a topology connected as
> below:
> >
> > A(192.168.1.55) ----- (192.168.1.1)my_sys(192.168.2.1)
> > -------(192.168.2.12)B
> >
> > I've set the rule "ipfw add 1 deny icmp from any to any" on my_sys, which
> > works correctly. I can't ping from A to B by the rule. Then I've added
> mac
> > part to the rule as the format of "ipfw add 1 deny icmp from any to any
> ma
> > any any" which seems the same as before but after that I could ping the B
> > from A.
> > What's the reason? I'm really confused with what I saw! Is it a bug?
> >
> > Any hints or suggestions are really appreciated.
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