DHCP option 208


Userlevel 6
Hello, all!

Does Extreme switches support dhcp-option code 208 (RFC 5071)?

Thank you!

4 replies

Userlevel 5
I think support for any dhcp-option code was added after EXOS 15.2, therefore, you can define any option
configure vlan dhcp-option code 208 ipaddress [i][/code]And I think the following resource from the user guide explains this a little: http://documentation.extremenetworks.com/exos/EXOS_21_1/Security/t_configure-the-dhcp-server.shtml
Userlevel 6
Kawawa wrote:

I think support for any dhcp-option code was added after EXOS 15.2, therefore, you can define any option
configure vlan dhcp-option code 208 ipaddress [i][/code]And I think the following resource from the user guide explains this a little: http://documentation.extremenetworks.com/exos/EXOS_21_1/Security/t_configure-the-dhcp-server.shtml

Am I understand right?

It's like this:
configure vlan Users dhcp-options code 208 string "f1:00:74:7e"

configure vlan Users dhcp-options code 208 ipaddress 10.15.0.50

So what command in EXOS show name of boot-file of option 208?

(analog of Cisco's "bootfile pxelinux.0")

Thank you!
Userlevel 5
Kawawa wrote:

I think support for any dhcp-option code was added after EXOS 15.2, therefore, you can define any option
configure vlan dhcp-option code 208 ipaddress [i][/code]And I think the following resource from the user guide explains this a little: http://documentation.extremenetworks.com/exos/EXOS_21_1/Security/t_configure-the-dhcp-server.shtml

I am not entirely sure on the syntax, but you'd need to configure 209 to specify the configuration file and 210 to specify the directory location
configure vlan dhcp-option code 209 string "boot.cfg"
configure vlan dhcp-option code 210 string ".../isolinux/"[/code]Again, I'd need to confirm the last two lines

I actually didn't read you last question correctly, so the above response was to "how do you configure the bootfile". Let me not speculate, I'll try and see
Userlevel 1
You can find the supported RFC for EXOS in this document:

http://learn.extremenetworks.com/rs/641-VMV-602/images/ExtremeXOS-DS.pdf

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