Hi!
Is there a way how I can prevent a local DHCP-server from replying to non-gw_mode-client's DHCP requests? The situation is that we got a central DHCP server on the mesh which should be used by all nodes which do not have gw_mode set. In my understanding, setting gw_mode to 'server' on another local DHCP server should prevent that DHCP server from receiving (and thus replying to) requests from clients with gw_mode set to 'off', however, it seems like the local gw_mode==server node occasionally replies to gw_mode==off clients (seems like the usual more-than-one-dhcp-server-on-a-subnet race condition) I'm aware that this could probably be solved using ebtables, however, due to the high performance impact and ugliness of ebtables, I'd prefer another way to fix it. Am I getting something wrong regarding the intended behavior of gw_mode==server? If needed, I can write a patch to implement that functionality and have a gw_mode==exclusive_server or something like that in case the current behavior is actually intentional.
(We are using batman-adv v14 (2013.4.0) on various OpenWrt versions.)
Cheers
Daniel