Wired Intelligent Edge

Hello!

I have a question regarding the automatic upgrade of the firmware image via the "dhcp image-file-update" feature.

In the ZTP document it's mentioned that the following options need to be set in the DHCP server:

66 (TFTP Server IP)

144 (config file)

145 (firmware file)

So I set up a OpenDHCP and added the following lines into the configuration:

FilterVendorClass="Aruba JL354A 2540-24G-4SFP+ Switch dslforum.org"

66="192.168.1.100"

145="YC_16_07_0003.swi"

I can see that the vendor filter is matching, because I assigned another IP range to it, and in wireshark that the options are transmitted, but the switch never downloads the firmware file (factory default).

If I set the configuration file via option 144 or with the BootFileName option, the switch downloads the configuration file after around 2 minutes, but the firmware image is just not working.

Has anybody ever done this and may help me out here?

Thank you!

Oliver

Hi,

What do you have on the log switch ?

Hello,

this is the logging output, not much:

I 01/01/90 00:00:35 05224 activate: Zero-touch provisioning enabled; connecting
            to Aruba Activate server to provision system.
I 01/01/90 00:00:35 03783 dhcp: DHCP server did not offer all the DNS parameters
            on Primary VLAN
I 01/01/90 00:00:35 00025 ip: DEFAULT_VLAN: ip address 192.168.1.101/24
            configured on vlan 1
I 01/01/90 00:00:35 00083 dhcp: updating IP address and subnet mask

Otherwise it's filled with NTP sync errors, because the switch is only connected to my laptop.

Here are the two DHCP options, is this correct in your point of view?

Thanks!

---

@mAvbig wrote:

Hello,

 

this is the logging output, not much:

I 01/01/90 00:00:35 05224 activate: Zero-touch provisioning enabled; connecting
            to Aruba Activate server to provision system.
I 01/01/90 00:00:35 03783 dhcp: DHCP server did not offer all the DNS parameters
            on Primary VLAN
I 01/01/90 00:00:35 00025 ip: DEFAULT_VLAN: ip address 192.168.1.101/24
            configured on vlan 1
I 01/01/90 00:00:35 00083 dhcp: updating IP address and subnet mask

Otherwise it's filled with NTP sync errors, because the switch is only connected to my laptop.

Here are the two DHCP options, is this correct in your point of view?

 

Thanks!

---

Look good but do you have try to fix DNS issue ? (for log)

I don't know how to fix the DNS error message, it's displayed on every switch I have seen so far.

I have figured out the solution, you need to send the parameters via DHCP option 43, and in that define suboptions with a appropiate length field and 00 as delimiter.

For example this is valid:

43=90:0b:63:6f:6e:66:69:67:2e:74:78:74:00:91:12:59:43:5f:31:36:5f:30:38:5f:30:30:30:31:2e:73:77:69:00

It specifies "config.txt" for the configuration file and "YC_16_08_0001.swi" for the switch firmware.

The 00 is important, and the length field includes this byte too.