[Openstack] help - Fuel Community 11 - PXE

Evgeniy L eli at mirantis.com
Tue Oct 31 14:58:04 UTC 2017


I'm not sure if these options should be set, because they are required only
if PXE server is on different host from DHCP server, which is not the case
for Fuel.

On Thu, Oct 26, 2017 at 8:25 AM, Ken Houle <khoule at developingsolutions.com>
wrote:

> Evgeniy L:
>
>
>
> Thank you for the information. I have a few, possible silly/noob,
> question. After your email I reviewed the tcpdump again and identified that
> the “dhcp offer” does not contain options 66 and 67.
>
> You can see from the excerpt of a bootp capture the highlighted portions
> contain the IP address offered, next server, and boot file.
>
>
>
> However, in the options section there is not an option 66, tftp server
> name, and option 67, bootfile name.
>
>
>
> SO here is the question, taking cobbler into account which file should I
> be editing to attempt to add these options? Is the
> “/etc/cobbler/dhcp.template” file the correct file; thought “template”
> seems to  indicate that it is not?
>
> If not, again silly/noob, which file should I be editing.
>
>
>
> Any assistance would be appreciated.
>
>
>
>
>
> Frame 4138: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits)
>
> Ethernet II, Src: Dell_b9:6a:02 (d4:ae:52:b9:6a:02), Dst: Broadcast
> (ff:ff:ff:ff:ff:ff)
>
> Internet Protocol Version 4, Src: 10.10.30.10, Dst: 255.255.255.255
>
> User Datagram Protocol, Src Port: 67, Dst Port: 68
>
> Bootstrap Protocol (Offer)
>
>     Message type: Boot Reply (2)
>
>     Hardware type: Ethernet (0x01)
>
>     Hardware address length: 6
>
>     Hops: 0
>
>     Transaction ID: 0x906a77f9
>
>     Seconds elapsed: 18
>
>     Bootp flags: 0x8000, Broadcast flag (Broadcast)
>
>         1... .... .... .... = Broadcast flag: Broadcast
>
>         .000 0000 0000 0000 = Reserved flags: 0x0000
>
>     Client IP address: 0.0.0.0
>
>     Your (client) IP address: 10.10.30.21
>
>     Next server IP address: 10.10.30.10
>
>     Relay agent IP address: 0.0.0.0
>
>     Client MAC address: SuperMic_6a:77:f9 (00:25:90:6a:77:f9)
>
>     Client hardware address padding: 00000000000000000000
>
>     Server host name: boothost
>
>     Boot file name: pxelinux.0
>
>     Magic cookie: DHCP
>
>     Option: (53) DHCP Message Type (Offer)
>
>     Option: (54) DHCP Server Identifier
>
>     Option: (51) IP Address Lease Time
>
>     Option: (58) Renewal Time Value
>
>     Option: (59) Rebinding Time Value
>
>     Option: (1) Subnet Mask
>
>     Option: (28) Broadcast Address
>
>     Option: (15) Domain Name
>
>     Option: (6) Domain Name Server
>
>     Option: (3) Router
>
>     Option: (255) End
>
>     Padding: 00
>
>
>
> Regards,
>
>
>
> *Ken Houle*
> 469-634-4171 : khoule at developingsolutions.com
>
>
>
> *From:* Evgeniy L [mailto:eli at mirantis.com]
> *Sent:* Wednesday, October 25, 2017 11:45 AM
> *To:* Ken Houle <khoule at developingsolutions.com>
> *Cc:* Openstack <openstack at lists.openstack.org>
> *Subject:* Re: [Openstack] help - Fuel Community 11 - PXE
>
>
>
> Hi Ken,
>
>
>
> Fuel uses Cobbler which uses DNSMasq to provide DHCP and PXE boot, if the
> issue is hardware specific, you can try to search if anybody else had such
> problems with DNSMasq PXE boot and similar hardware.
>
>
>
> Thanks,
>
>
>
> On Wed, Oct 25, 2017 at 7:12 AM, Ken Houle <khoule at developingsolutions.com>
> wrote:
>
> All:
>
>
>
> First off not sure I am in the right place so if I am not please be kind
> and point me in the correct direction. I am attempting to build an
> Openstack system with Fuel Community 11 with a mix servers from different
> manufacturers. I have successfully installed Fuel Community 11 on the
> master node and am attempting to add nodes to the Openstack environment.
> The “Dell” servers pxe boot fine, see the master node and can be added to
> the system. However, I have an older “Silicon Mechanics” server that will
> not pxe boot.
>
>
>
> I have upgraded the AMI BIOS on the “Supermicro” system board to the
> latest release as well as the IPMI firmware. I have attempted to use both
> legacy and UEFI boot from the BIOS and I always see the same error. Please
> note that the Intel PXE release is 1.5.13.
>
>
>
> “PXE-E7B: Missing MTFTP server IP address. This message is displayed when
> the ROM did not receive any PXE discovery tags or proxyDHCP offers and the
> DHCP SIADDR field is set to 0.0.0.0.”
>
>
>
> I have take a tcpdump and see the dhcp discover and the dhcp offer. The
> Fuel master node is offering the server an IP address and is telling it
> what its next server and file are.
>
>
>
> Any assistance and or information would be greatly appreciated.
>
>
>
>
>
> Regards,
>
>
>
> [image: logo] <http://www.developingsolutions.com/>
>
> *Ken Houle*
> *Sales Engineering *
> *Developing Solutions, Inc.* <http://www.developingsolutions.com/>
> 469-634-4171 : khoule at developingsolutions.com
>
>
>
>
>
>
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