Thanks, Michael.
I tried both ways, but the result is bad.
a) try running the "dhcp" command at the command line and, after it fails
with
the same "Connection timed out" error message, run the "ifstat" command
(http://ipxe.org/cmd/ifstat)
Still got connection timeout message. Then run the "ifstat" command, it
showed:
net0: 00:50:fc:8e:c7:8d on UNDI (closed)
[Link:up, TX:4 TXE:0 RX:0 RXE:0]
b) try setting a static IP address as described on the error page
(http://ipxe.org/4c106035), and see if you can ping it from the DHCP
server.
Fail to ping the static IP address. Got "Destination Host Unreachable"
message.
It's weird that by using the same USB-NIC, and almost identical DHCP
configuration, DHCP function seems to be ok in gpxe.
I will try to connect up a null-modem cable for the next step debugging. If
you think about any new idea worth to try, please feel free to tell me.
Thanks so much!
Regards,
Jerry
----- Original Message -----
From: "Michael Brown" <[email protected]>
To: <[email protected]>
Cc: "jerrycheng-hinet" <[email protected]>
Sent: Thursday, March 03, 2011 7:41 AM
Subject: Re: [ipxe-devel] SAN Boot Windows XP with USB-NIC.
On Wednesday 02 Mar 2011 18:40:58 jerrycheng-hinet wrote:
Then I tried to use ipxe. But it seemed to hang even earlier at DHCP
phase.
The screen hanged at "Connection time out (http://ipxe.org/4c106035)".
I used wireshark to capture the trace of both fail cases and attached it
inside.
Could anyone give me some suggestion about this issue? Thanks in advance!
Thanks for the packet trace, which seems to show that iPXE isn't receiving
the
replies from your DHCP server. (iPXE uses the DHCP "seconds elapsed"
field to
indicate some of the DHCP client state: bit 1 of this field is never set
in any
of the DHCPDISCOVER packets, which tells us that iPXE has not received any
DHCPOFFERs.)
Two things I would try, both involving the iPXE command line
(http://ipxe.org/cmdline):
a) try running the "dhcp" command at the command line and, after it fails
with
the same "Connection timed out" error message, run the "ifstat" command
(http://ipxe.org/cmd/ifstat)
b) try setting a static IP address as described on the error page
(http://ipxe.org/4c106035), and see if you can ping it from the DHCP
server.
Michael
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