dhcrelay

[Lowell Gilbert]

tradigan at newrevolutions.net writes:

> Not sure if this is the right place for this, but I have a set of FreeBSD
> 6.2 firewalls.  They each have 3 interfaces in them.  One interface
> connects to the 10.94/16 network, the other connects the 192.168.4/24,
> 192.168.5/24 and 192.168.8/24 networks.
>
> Here is a breakdown of the interfaces:
>
> BSD 1
> bge0 10.94.2.222/16
> xl0 "up"
> xl1 "up"
> vlan2 192.168.4.2/24
> vlan3 192.168.5.2/24
> vlan4 192.168.8.2/24
> carp1 10.94.2.221/16
> carp2 192.168.4.1/24
> carp3 192.168.5.1/24
> carp4 192.168.8.1/24
>
> BSD 2
> bge0 10.94.2.223/16
> xl0 "up"
> xl1 "up"
> vlan2 192.168.4.3/24
> vlan3 192.168.5.3/24
> vlan4 192.168.8.3/24
> carp1 10.94.2.221/16
> carp2 192.168.4.1/24
> carp3 192.168.5.1/24
> carp4 192.168.8.1/24
>
> BSD 1 is the current CARP master for all interfaces.  For dhcrelay in
> rc.conf I have:
> dhcrelay_enable="YES"
> dhcrelay_servers="10.94.2.204" # IP to MS Server 2003 DHCP server
> dhcrelay_ifaces="bge0 vlan2 vlan3 vlan4"
> dhcrelay_flags="-a"
>
> In MS Server 2003 there is a superscope defined with scopes for each
> network (10.94/16, 192.168.4., 192.168.5., and 192.168.8.)
>
> The problem is, it doesn't seem like the BSD box is forwarding the DHCP
> requests to the DHCP server.  It will NOT get an address.  If I manually
> assign an IP address, the client talks fine to the other networks.
>
> There are no firewall/nat rules loaded at all.. PF is running but without
> a rule set it defaults to allow all.. any ideas?

Run the relay agent in verbose mode and find out what it thinks is happening.