DISCOVER at wrong port
neerajjain_iet at yahoo.com
Wed Jun 8 10:10:46 UTC 2011
Thank you so much for the reply. I have checked the configuration on the /etc/services and it is same as you have given.
My problem is that DHCP server is always replying on the 67 port which against the protocol. I am not able to find a clue why this is happening?
Thanks in advance.
--- On Tue, 7/6/11, Glenn Satchell <glenn.satchell at uniq.com.au> wrote:
From: Glenn Satchell <glenn.satchell at uniq.com.au>
Subject: Re: DISCOVER at wrong port
To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
Date: Tuesday, 7 June, 2011, 5:23 PM
On 06/07/11 21:39, neeraj jain wrote:
> Hi all,
> I am facing problem while giving offer to the discovery request. I am
> seeing that my relay agent is sending the disocver request at prot 68
> and Dhcp server is sending offer at 67 port.
> Because of that relay agent is not forwording the response to the client
> machine. I am not sure if I can change any thing in the DHCP server
> side. Or it is relay agent issue???
> Please assis.
> Thanks in advance,
> Neeraj Jain
Those port numbers are quite normal, see the entries from /etc/services. Don't get confused by source and destination ports...
$ grep bootp /etc/services
bootps 67/udp # BOOTP/DHCP server
bootpc 68/udp # BOOTP/DHCP client
There must be something else wrong. What messages are in the dhcp server logs?
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