DHCRELAY through IPTABLES Firewall

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On Sunday 27 October 2002 4:33 am, bigman@monster-solutions.net wrote:

> All,
>     I am wondering if someone out there would be so kind as to help me
> figure out why I cannot get DHCRELAY to relay DHCP requests from one LAN
> segment to another LAN segment where a Windows 2000 DHCP server resides. I
> have verified that the requests are hitting the DHCRELAY on 67/UDP and then
> the DHCRELAY is trying to send back out on ETH2 (LAN2 Segment) to the DHCP
> Server on LAN1, but there is nothing after that. I have used Snort in
> sniffer mode and I can see UDP traffic on 68/UDP and 67/UDP on LAN2, but I
> never see any on LAN1. So my guess is that for some reason it is not
> routing through the firewall correctly. Any help would be greatly
> appreciated.

Tell us:

1. Your netfilter rules

2. Your network addresses for LAN1 and LAN2.

3. The routing table on the firewall.

4. Your dhcrelay command line.

Antony.

-- 

If at first you don't succeed, destroy all the evidence that you tried.



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