Ok ... here is the scoop .... Originally I ran /sbin/dhcpcd -R -N -t 60 -h CO -d eth0 on my external interface to get a IP via DHCP from my ISP. Now I want to run my PS2 behind the firewall and want the PS2 rules to not be part of the standard firewall set. So I get the MAC address of my PS2 and ran: /sbin/dhcpcd -R -N -t 60 -h CO -I MAC-of-PS2 -d eth0:1 The out put was: dhcpcd: MAC address = EXT NIC MAC but then BAM !! dhcpcd: your IP address = Second IP via DHCP So now if I run ifconfig I see eth0 IP eth0:1 second IP Michael. On Mon, 29 Dec 2003 01:31:57 +0000 Antony Stone <Antony@xxxxxxxxxxxxxxxxxxxx> wrote: > On Monday 29 December 2003 12:26 am, Michael Gale wrote: > > > Hello, > > > > I think I have the answer, first I will find out the MAC address > > of my > > PS2 (packet sniffer) and then use dhcpcd w/ -I: > > --snip-- man dhcpcd > > -I <ClientID> > > Specifies the client identifier string. dhcpcd uses > > the > > default client identifier (MAC address of the network > > interface) if it is not specified. > > --snip-- > > > > I will specify the MAC of my PS2 ... then I can DNAT the traffic > > back and forth to and from the PS2 :) > > > > Oh ... I think it will work :) > > I'm not so sure - sorry. > > The option you have found sends a client ID to the DHCP server, and if > you don't specify the ID you want, it uses the MAC address. However, > I don't think that sending a different MAC address will give you the > second DHCP client lease, because you can specify anything you like > for the client ID (hostname is common), and you don't have to specify > one at all, yet you still get a lease. > > I wonder if maybe you have to do something unpleasant like acquire a > lease, rename the /etc/dhcpc/dhcpcd-eth0.* files, and acquire another > one, this time faking the MAC address (but I'm not sure how...)? > > Another horrible suggestion is to put another ethernet card in your > firewall, plug it into the hub alongside your existing external > interface, then acquire leases on both eth0 and eth1 (which just > happen to be connected to each other through the hub). Normally I > would say to people "No! Don't have two interfaces on the same subnet, > and don't connect two interfaces to the same hub" but in this case it > might be a workable solution? > > Regards, > > Antony. > > -- > A: Because it messes up the order in which people normally read text. > Q: Why is top-posting such a bad thing? > A: Top-posting. > Q: What is the most annoying thing on usenet and in e-mail? > > Please reply to > the list; > please > don't CC > me. > > -- Hand over the Slackware CD's and back AWAY from the computer, your geek rights have been revoked !!! Michael Gale Slackware user :) Bluesuperman.com
