Have you tried with static arp.
$ man arp
...
-s hostname hw_addr, --set hostname
Manually create an ARP address mapping entry for
host hostname with hardware address set to hw_addr
class, but for most classes one can assume that the
usual presentation can be used. For the Ethernet
class, this is 6 bytes in hexadecimal, separated by
colons. When adding proxy arp entries (that is
...
At least your fw will send that ip no. to that hw addr.
Regards,
/Karl
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Karl Hammar Asp� Data [EMAIL PROTECTED]
Lilla Asp� 2340 +46 173 140 57 Networks
S-742 94 �sthammar +46 10 270 26 67 Computers
Sweden Consulting
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From: "vijay" <[EMAIL PROTECTED]>
Subject:
Date: Tue, 27 Mar 2001 15:03:55 +0530
> Hi,
> This is shiva,iam working in ISP through cable.we gave to customers private
> IP's .But some people
> change their IP's&login to another IP's.This headache for us.we restrict the
> ip's through firewall.we want to restrict with mac address
