DHCP Server - Eth0

[Michael Koponick]

In this case, the are forward from a Cisco L3 switch using the IP helper
command

Mike


On 6/19/09 9:01 AM, "Simon Hobson" <dhcp1 at thehobsons.co.uk> wrote:

> 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".

Mike Koponick | Manager, IT & Compliance

Chockstone - A Heartland Payment Systems Company

326 SW Broadway | Portland OR 97205

Phone (503) 907-2385 Fax (503) 227-4324
Michael.Koponick at e-hps.com
 

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