https://community.extremenetworks.com/t5/extremecloud-iq-site-engine/switch-engine-exos-config-with-dhcp-option-43/m-p/121903#M12939 <P>Hello,<BR /><BR />Please check out the following article and let us know if it helps to solve your issues:<BR /><A href="https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080653" target="_blank">https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080653</A><BR /><BR />Thanks<BR /><SPAN>-Ryan</SPAN></P> Tue, 09 Jun 2026 17:55:33 GMT Ryan_Yacobucci 2026-06-09T17:55:33Z https://community.extremenetworks.com/t5/extremecloud-iq-site-engine/switch-engine-exos-config-with-dhcp-option-43/m-p/121759#M12933 <P>Is there a official document for the vendor class identifier? I can't figure out which vci is used for 5420 and 5520.</P><P>Thanks for your help.</P> Mon, 11 May 2026 12:02:14 GMT https://community.extremenetworks.com/t5/extremecloud-iq-site-engine/switch-engine-exos-config-with-dhcp-option-43/m-p/121759#M12933 Bluescreen 2026-05-11T12:02:14Z https://community.extremenetworks.com/t5/extremecloud-iq-site-engine/switch-engine-exos-config-with-dhcp-option-43/m-p/121903#M12939 <P>Hello,<BR /><BR />Please check out the following article and let us know if it helps to solve your issues:<BR /><A href="https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080653" target="_blank">https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080653</A><BR /><BR />Thanks<BR /><SPAN>-Ryan</SPAN></P> Tue, 09 Jun 2026 17:55:33 GMT https://community.extremenetworks.com/t5/extremecloud-iq-site-engine/switch-engine-exos-config-with-dhcp-option-43/m-p/121903#M12939 Ryan_Yacobucci 2026-06-09T17:55:33Z