Hi Darren, Yes I have read about concat but was unsure how to apply it.
I will try your example 🙂 Will let you know if that worked 🙂 regards Ronald ________________________________ From: Kea-users <kea-users-boun...@lists.isc.org> on behalf of Darren Ankney <darren.ank...@gmail.com> Sent: Friday, March 7, 2025 19:07 To: Kea user's list <kea-users@lists.isc.org> Subject: Re: [Kea-users] need to use circuit-id in option Hi Ronald, I am uncertain if this can be used in the data field, but there is a concat() in Kea: https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fkea.readthedocs.io%2Fen%2Fkea-2.6.1%2Farm%2Fclassify.html%23concat&data=05%7C02%7Cronald.blaas%40ddfr.nl%7Caacb4ce9967d49dfc54408dd5da2fcc8%7C61b60fb772d74ba78225d9b5369d780a%7C0%7C0%7C638769676795020090%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=D6m6LQrkyRqy%2Fo1vVHtC8p9702UkrbJb0l5QYzECymc%3D&reserved=0<https://kea.readthedocs.io/en/kea-2.6.1/arm/classify.html#concat> You can use a '+' sign as a shortcut so you might be able to do something like: "data": "'s=xx.xx.xx.xxc='+option[82].option[1].hex" but I've never tried to use these functions or packet contents in the "data" field. Thank you, Darren Ankney On Wed, Mar 5, 2025 at 4:04 AM DDFR | Ronald Blaas <ronald.bl...@ddfr.nl> wrote: > > Hi all, > > We recently switch a subnet from isc-dhcp to isc-kea > > There is one thing where I am unable to succeed. > > We need to sent some options to a device but ISC-DHCP is using concat and I > am unsure how to apply this is kea > > This is the relevant part: > > If substring (option host-name, 0, 6) = "geneos" { > option genexis.gaps = concat("s=xx.xx.xx.xx;c=", option > agent.circuit-id); > > > What I have so far is: > > >       { > > "name": "gaps", > "space": "vendor-25167", > "data": "s=xx.xx.xx.xx", > "always-send": true > } > > > I could use some help getting the circuit id in the data field. > > > Kind regards > > > Ronald > > -- > ISC funds the development of this software with paid support subscriptions. > Contact us at > https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.isc.org%2Fcontact%2F&data=05%7C02%7Cronald.blaas%40ddfr.nl%7Caacb4ce9967d49dfc54408dd5da2fcc8%7C61b60fb772d74ba78225d9b5369d780a%7C0%7C0%7C638769676795038215%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=5mTfEXjpoGUP8ABlNWRG88Ho3E7R44k9DFaLESC5f4E%3D&reserved=0<https://www.isc.org/contact/> > for more information. > > To unsubscribe visit > https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.isc.org%2Fmailman%2Flistinfo%2Fkea-users&data=05%7C02%7Cronald.blaas%40ddfr.nl%7Caacb4ce9967d49dfc54408dd5da2fcc8%7C61b60fb772d74ba78225d9b5369d780a%7C0%7C0%7C638769676795050487%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=OfOiMwe0gFakbiIu2luLy1eDO2XZTdaIwHunhrfMMYE%3D&reserved=0<https://lists.isc.org/mailman/listinfo/kea-users>. > > Kea-users mailing list > Kea-users@lists.isc.org > https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.isc.org%2Fmailman%2Flistinfo%2Fkea-users&data=05%7C02%7Cronald.blaas%40ddfr.nl%7Caacb4ce9967d49dfc54408dd5da2fcc8%7C61b60fb772d74ba78225d9b5369d780a%7C0%7C0%7C638769676795062499%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=J6qY2AfF9r414l29etxjQmNbktTK0IEYVuLShrJW%2Fv8%3D&reserved=0<https://lists.isc.org/mailman/listinfo/kea-users> -- ISC funds the development of this software with paid support subscriptions. 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