Cannot see the 'Offer' and 'Ack' packet with ethereal.

[twanny at line.sytes.net]

> twanny at line.sytes.net wrote:
>
>>I'm not giving any filters at all. As I said, with the other client I can
>>see all four - discover, offer, request and ack.
>>
>>What I noticed is that I have a route to 169.254.0.0, I believe that's
>>Microsoft's APIPA. And I cannot remove this with 'route del 169.254.0.0.
>>
>>I'm stuck because I need to see what the dhcp client is receiveing.
>
> Other client ? Where are you doing the monitoring ? Server, another
> network node ?
>
> Is the client on the same subnet as the server, or a different subnet
> ? Does the server have more than one interface ?
>
> One thought comes to mind, if you are monitoring from a third device
> (ie not the server or client) then it will only see packets sent to
> the ethernet broadcast address (ff:ff:ff:ff:ff:ff), it won't see
> packets sent to the IP broadcast address but directed to the clients
> MAC - assuming you are using a switched network.
>
> Does the behaviour change if you set the "always-broadcast" flag to on ?
>
> Simon
>


Simon,
Good on you, the always-broadcast seemed to do the trick. I can see all
four of them now :).
Regards,
Twanny.