DHCP Server - Eth0

Simon Hobson dhcp1 at thehobsons.co.uk
Fri Jun 19 16:01:39 UTC 2009


Michael Koponick wrote:

>I found this while looking at the log this morning:
>
>Jun 18 14:19:08 corp-007 dhcpd: DHCPREQUEST for 192.168.11.204 from
>00:0a:95:cc:79:e8 via eth0: ignored (not authoritative).
>
>Jun 18 14:19:09 corp-007 dhcpd: DHCPREQUEST for 192.168.11.204 from
>00:0a:95:cc:79:e8 via eth0: ignored (not authoritative).
>
>Jun 18 14:19:12 corp-007 dhcpd: DHCPREQUEST for 192.168.11.204 from
>00:0a:95:cc:79:e8 via eth0: ignored (not authoritative).
>
>Jun 18 14:19:16 corp-007 dhcpd: DHCPDISCOVER from 00:0a:95:cc:79:e8 via
>eth0: network 10.22.10.0/24: no free leases
>
>As you can see, the MAC address of 00:0a:95:cc:79:e8 gets ignored on the
>correct subnet, then it seems to want to go to another subnet it thinks its
>authorized.

"via eth0" indicates that the server believes the client is on the 
local network. How do client requests get to the server ?

Requests forwarded by a relay agent, as they should be if the 
networks are remote, should have "via a.b.c.d".

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.



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