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To subscribe or unsubscribe via the World Wide Web, visit https://lists.isc.org/mailman/listinfo/dhcp-users or, via email, send a message with subject or body 'help' to dhcp-users-requ...@lists.isc.org You can reach the person managing the list at dhcp-users-ow...@lists.isc.org When replying, please edit your Subject line so it is more specific than "Re: Contents of dhcp-users digest..." Today's Topics: 1. RE: Getting failover: link startup timeout (Bob McDonald) 2. RE: Getting failover: link startup timeout (Bob McDonald) ---------------------------------------------------------------------- Message: 1 Date: Fri, 16 Jun 2023 08:26:11 -0400 From: Bob McDonald <bmcdonal...@gmail.com> To: dhcp-users@lists.isc.org, kraishak....@gmail.com Subject: RE: Getting failover: link startup timeout Message-ID: <CAM-YptdJZRVEALmWxVizZ=c7q3e9mjzwr-pnhpllqxm_cbj...@mail.gmail.com> Content-Type: text/plain; charset="utf-8" Typically, a failover relationship between two servers under ISC-DHCP is defined one way. That is: server a - primary and server b - secondary ( or vice versa). The distribution of clients between those servers is controlled by another option. I'll post the correct option in a few minutes. Bob -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.isc.org/pipermail/dhcp-users/attachments/20230616/8fdca598/attachment-0001.htm> ------------------------------ Message: 2 Date: Fri, 16 Jun 2023 08:45:49 -0400 From: Bob McDonald <bmcdonal...@gmail.com> To: dhcp-users@lists.isc.org, kraishak....@gmail.com Subject: RE: Getting failover: link startup timeout Message-ID: <cam-yptde_txc2evcsonytx6lwoh4srbvkqqw1xgdxb4spia...@mail.gmail.com> Content-Type: text/plain; charset="utf-8" The split parameter controls client distribution between failover partners. Theoretically, you could define the failover relationship both ways but each would require a different TCP port for communication between partners. (E.G. server a to server b port 647 / server b to server a port 666) Another thought is to daisy-chain more than two failover servers and then separate subnets by failover partners. Don't forget to have the proper DHCP helper addresses listed in the relay agent. Remember that as the configuration increases in complexity so does the need for the configuration to be understood by the support team. Bob -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.isc.org/pipermail/dhcp-users/attachments/20230616/e5bcdef7/attachment-0001.htm> ------------------------------ Subject: Digest Footer _______________________________________________ ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. dhcp-users mailing list dhcp-users@lists.isc.org https://lists.isc.org/mailman/listinfo/dhcp-users ------------------------------ End of dhcp-users Digest, Vol 175, Issue 2 ******************************************