There are some wireless bridges that do not completly act as a bridge as they
rewrite the MAC. I'm not shure, but check the MAC reaching the DHCP server
and see if its the client or bridge ones.
Alex
Em Ter 29 Nov 2005 06:03, Eric Spakman escreveu:
> Hello Julie,
>
> Strange problem, a bridge should be totally transparent. You could try to
> use dnsmasq as dhcp daemon instead of the dhcpd.lrp package.
> Did you try to temporary disable mac filtering? or used something like
> ethereal on the client machine to see what's going on on that side?
>
> Eric
>
> > Hi All,
> >
> >
> > I'm still having trouble with the DHCP, and I'm hoping someone can point
> > me in the right direction I'm running a dhcp server on my
> > 192.168.30.0/wireless network out of
> > dhcpd.lrp. If I have a wireless card, everything works fine.
> >
> > I then added a wireless bridge, which sees the AP fine and allows
> > connectivity to my test machine (MAC 00:0d:88:1c:03:b7) provided it has a
> > static ip. The mac filtering on the AP allows the MAC address of the
> > bridge ( 00:02:67:07:85:FE ) and does not require allowing the mac
> > address of the test machine
> >
> > However, when I set my test machine to use DHCP, i get the following
> > behavior:
> > my machine connected to the wirless bridge tries to get an address via
> > DHCP and my firewall/dhcp server responds appropriately however, the test
> > machine never sees the ip address that is offered.
> >
> > what do I need to change? my Bering 1.2 dhcp config was somehow able to
> > do this, so I'm pretty sure I'm missing some simple configuration
> > somewhere. i'm hoping to get the bridge to essentially turn any ethernet
> > device into a wireless device (like its supposed to) through use of a
> > hub.
> >
> >
> > below is some info I hope you all will find helpful. I can use cloning to
> > force the DHCP requests to go back to the right MAC address, which works,
> > but limits me greatly as guests can not simply plug into our wireless
> > network and borrow internet access (which is what we want).
> >
> > (from daemon.log)
> > Nov 28 22:41:50 sid dhcpd: DHCPDISCOVER from 00:0d:88:1c:03:b7 via eth4
> > Nov 28 22:41:50 sid dhcpd: DHCPOFFER on 192.168.30.100 to
> > 00:0d:88:1c:03:b7 via eth4
> > (from tcpdump )
> > 22:49:13.299525 0:2:6f:7:85:fe Broadcast ip 342: 0.0.0.0.bootpc >
> > 255.255.255.255.bootps: xid:0xe23dd08 secs:2816 flags:0x8000 ether
> > 0:d:88:1c:3:b7 [|bootp]
> > 22:49:13.300325 0:2:b3:39:57:47 0:d:88:1c:3:b7 ip 342:
> > 192.168.30.1.bootps > 255.255.255.255.bootpc: xid:0xe23dd08 secs:2816
> > flags:0x8000 Y:192.168.30.100 S:192.168.30.1 [|bootp] [tos 0x10]
> >
> >
> > root# more dhcpd.conf default-lease-time 604800; max-lease-time 1209600;
> >
> > #MyVest AIR
> > subnet 192.168.30.0 netmask 255.255.255.0 { option routers 192.168.30.1;
> > option domain-name "myvest.com"; option domain-name-servers
> > 192.168.30.10, 192.168.30.11;
> > range 192.168.30.20 192.168.30.100; }
> >
> >
> > Julie
> >
> >
> >
> >
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