[syslinux] PXELINUX: lpxelinux.0 configuration
gene.cumm at gmail.com
Thu Jul 7 03:16:38 PDT 2016
On Wed, Jul 6, 2016 at 7:34 AM, Christof Böckler <cb at wvsgym.de> wrote:
> Am 06.07.2016 um 12:38 schrieb Gene Cumm:
>>> It's strange that after the same start (DHCP request and ACK, ARP request
>>> and reply) lpxelinux.0 gets loaded and then follows an (unnecessary)
>>> gratuitous ARP for the client IP (172.16.12.1) plus an unanswered (!)
>> Unnecessary but not hurting anything.
>>> ARP request for the server's IP (172.16.0.96). No further network traffic
>> This is a major problem. What's your actual subnet? 172.16.0.0/20?
> It's 172.16.0.0/16.
Good. Nothing silly like ARP for out of subnet address due to missing
default route. Sound like an intra-segment filter/firewall throttling
ARP, including possibly an OS firewall unless the ARP is malformed or
the frame was otherwise dropped (ie saturated buffer for link).
Any chance of seeing a capture off the hub and off the server?
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