I like that! They are indeed managed switches. Although I was thinking it was related to ARP I never actually dug into the switches logs. This sounds like it might just fit. I will get back to you shortly. Thanks for all your help On Jan 22, 2016 11:00 AM, "Adam Thompson" <athom...@athompso.net> wrote:
> > On 16-01-21 04:02 PM, rizz2pro . wrote: > >> I know the CARP interface's MAC address is generated by the VHID so I am >> sort of leaning towards it be an ARP issue and possibly not an issue with >> the OBSD system. But I am hoping for some hints or ideas from you guys. >> > I have a suspicion... what kind of switches are the OpenBSD hosts in > question connected to? If they are managed switches, have you looked at > the logs on the switch? > > Some switches interpret CARP (and VRRP, for that matter) as either an > attack or a misconfigured system, and will temporarily block traffic to one > of the two ports. Essentially, they think it's "MAC flapping"... which it > sort of is, in fact. > > -Adam
