15, 2014 2:04 AM
To: Mailing list for lwIP users
Subject: Re: [lwip-users] broken DHCP/ARP interaction
Radouch, Zdenek wrote:
However, in this case the ARP does something that is outright wrong -
-
it answers an ARP query for an IP address that has not been assigned
yet -- the DHCP
Radouch, Zdenek wrote:
However, in this case the ARP does something that is outright wrong -- it
answers an ARP query
for an IP address that has not been assigned yet -- the DHCP client is still
trying to
ensure that it is OK to use the address (hence the ARP query). So the
behavior is
, 2014 12:17 PM
To: Mailing list for lwIP users
Subject: Re: [lwip-users] broken DHCP/ARP interaction
I also have had a problem similar to this. I have lwip running in a wifi device
and I was having problems because my router was echoing packets back to me. I
can’t remember if this interfered
Hi,
Quickdirty workaround: disable ARP checking by defining
DHCP_DOES_ARP_CHECK to 0
Analysis:
I'm no expert in DHCP nor ARP, but I don't see anything similar to what
you are experiencing.
I've setup three scenarios:
1- different IP (static) prior to DHCP
2- same IP (static) prior to DHCP
3-
-users] broken DHCP/ARP interaction
Hi,
Quickdirty workaround: disable ARP checking by defining
DHCP_DOES_ARP_CHECK to 0
Analysis:
I'm no expert in DHCP nor ARP, but I don't see anything similar to what
you are experiencing.
I've setup three scenarios:
1- different IP (static) prior to DHCP
2- same IP
I suggested the QD workaround as a way to check if that was really the
problem.
I guess your problem is that you are seeing your own messages, something
that may not be the case in standard Ethernets (you mentioned Wi-Fi,
didn't you?)
I suggest to follow the code execution and help the developers,
