[ipxe-devel] chaining http script over VLAN is very slow

James A. Peltier jpeltier at sfu.ca
Wed Jul 8 16:55:06 UTC 2015


----- Original Message -----

| Which NIC are you using and are you UNDI or using the Native driver? UNDI
| VLAN support is very spotty vendor to vendor within the UNDI stack.

| On Tue, Jul 7, 2015 at 8:33 PM, James A. Peltier < jpeltier at sfu.ca > wrote:

| | I have a Dell R730XD which seems to be misbehaving. When booting off a VLAN
| | it seems that the connection is extremely slow. The script that is embedded
| | is very simple and after 10 minutes it still hasn't booted to the menu
| | system, which is again very small scripts. Any idea what I might be able to
| | do to provide you with more information to troubleshoot it?
| 

| | #!ipxe
| 

| | echo Hi There! We will be booting from http://mirror.its.sfu.ca/ today.
| 
| | echo It is assumed that you have dhcp networking.
| 
| | echo Here we go!
| 

| | :retry
| 
| | vcreate --tag 300 net0
| 
| | sleep 5
| 
| | ifconf --configurator dhcp net0-300
| 
| | boot http://mirror.its.sfu.ca/ufds/menu/bootstrap
| 

| | --
| 
| | James A. Peltier
| 
| | IT Services - Research Computing Group
| 
| | Simon Fraser University - Burnaby Campus
| 
| | Phone : 604-365-6432
| 
| | Fax : 778-782-3045
| 
| | E-Mail : jpeltier at sfu.ca
| 
| | Website : http://www.sfu.ca/itservices
| 
| | Twitter : @sfu_rcg
| 
| | Powering Engagement Through Technology
| 
| | _______________________________________________
| 
| | ipxe-devel mailing list
| 
| | ipxe-devel at lists.ipxe.org
| 
| | https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
| 

| --
| There is never time enough to do it right, but there always seems to be
| enough time to do it again.

The Dell R730XD comes equipped with a quad port Broadcomm BCM5720 PCI-E network adaptor. The system is currently in UEFI mode. I might place it in BIOS mode later today to see if it behaves any differently, but ultimately I'd rather have it in UEFI mode. 

-- 
James A. Peltier 
IT Services - Research Computing Group 
Simon Fraser University - Burnaby Campus 
Phone : 604-365-6432 
Fax : 778-782-3045 
E-Mail : jpeltier at sfu.ca 
Website : http://www.sfu.ca/itservices 
Twitter : @sfu_rcg 
Powering Engagement Through Technology 
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