Date: Thu, 3 Sep 2020 10:02:15 -0300 From: Cristian Cardoso <cristian.cardoso11@gmail.com> To: Hans Petter Selasky <hps@selasky.org>, freebsd-net@freebsd.org Subject: Re: Ipv6 neighbor limit Message-ID: <CAKeEC-Jo=mom0jD3wqzrUBWNYk=pEVh0AU=nBRTYsvaJSO2dkA@mail.gmail.com> In-Reply-To: <592b041e-0243-8148-3ac6-ca8da4ca5e84@selasky.org> References: <CAKeEC-Lz9ahORe00-JmLuT50J=Vz8bQmAz-D%2B5kZsOx5WAJdiQ@mail.gmail.com> <592b041e-0243-8148-3ac6-ca8da4ca5e84@selasky.org>
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Hi I don't know if that is it. I am trying to find out if there are any limits for ipv6 neighbors in the kernel, as soon I will go over 4000 servers below my IPv6 router. In Juniper (which is a FreeBSD) I can set ndp6-max-cache, for example, to support more ipv6 neighbors. Em qui., 3 de set. de 2020 =C3=A0s 09:48, Hans Petter Selasky <hps@selasky.org> escreveu: > > On 2020-09-03 14:34, Cristian Cardoso wrote: > > Hi > > Would anyone know if there is any limit in the FreeBSD kernel for IPv6 > > neighbors? I checked the ndp documentation and found nothing, looking > > at the return of the sysctl command I also did not find anything > > explicit. > > > > Hi, > > There is something called: > > sys/netinet/in.h:#define IP_MAX_MEMBERSHIPS 4095 > sys/netinet6/in6.h:#define IPV6_MAX_MEMBERSHIPS 4095 > > Is this what you are looking for? > > --HPS
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