Log Clarification

Simon Hobson dhcp1 at thehobsons.co.uk
Mon May 11 21:20:31 UTC 2009

Ben Wiechman wrote:
>Something like this in the logs would imply that the message was unicast
>directly to the DHCP server:
>May 11 13:46:45 dhcp1 dhcpd: DHCPREQUEST for from
>00:1d:7e:19:a9:f1 via eth0
>May 11 13:46:45 dhcp1 dhcpd: DHCPACK on to 00:1d:7e:19:a9:f1
>via eth0

Not quite - it could just as well have been broadcast on the locally 
connected network. To know which would require knowledge of the 
servers IP address and network topology.

>Whereas this would mean that it was broadcast by the client and then sent to
>the server via the configured relay:
>May 11 13:47:01 dhcp1 dhcpd: DHCPINFORM from via
>May 11 13:47:01 dhcp1 dhcpd: DHCPACK to (00:11:11:e7:fa:2c)
>via eth0


Simon Hobson

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