Date: Sat, 31 Mar 2018 10:06:26 +0300 From: Daniel Braniss <danny@cs.huji.ac.il> To: Allan Jude <allanjude@freebsd.org> Cc: freebsd-virtualization@freebsd.org Subject: Re: bhyve and arp problem Message-ID: <6FBF3AB0-B1D1-4DFC-B4ED-88C5FAEC89FA@cs.huji.ac.il> In-Reply-To: <8364b0ca-1ac2-10d9-6c60-0d4057debe4b@freebsd.org> References: <DEA10FBE-E8F8-46C3-816C-DB61421BF0A5@cs.huji.ac.il> <8364b0ca-1ac2-10d9-6c60-0d4057debe4b@freebsd.org>
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> On 30 Mar 2018, at 18:44, Allan Jude <allanjude@freebsd.org> wrote: >=20 > On 2018-03-30 07:16, Daniel Braniss wrote: >> hi, >> this is my first attempt at bhyve, and so far all seems ok, except >> in my guest, the mac address of the hosting keeps flipping, ie, every = 20 minutes >> i see a message : >> =E2=80=A6 arp: nnn (the hosting ip) moved from xxxx to yyyy >> on both the host and guest I=E2=80=99m running a very resent -stable. >> the yyyy is the mac of the host nic, while the xxxx is the tap0 >>=20 >> i know this looks harmless, but it=E2=80=99s annoying >>=20 >> danny >> _______________________________________________ >> freebsd-virtualization@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization >> To unsubscribe, send any mail to = "freebsd-virtualization-unsubscribe@freebsd.org" >>=20 >=20 > The MAC address is likely not changing. That sounds more like an IP > conflict. I think the problem starts with the host seeing the client/guest on 2 = interfaces, the nic (mlnxen0) and the tap(tap0) on the host: arp -a ... bhv-00.cs.huji.ac.il (132.65.80.246) at xx.xx.xx.xx.xx on tap0 expires = in 1001 seconds [ethernet] bhv-00.cs.huji.ac.il (132.65.80.246) at xx.xx.xx.xx.xx on mlxen0 expires = in 644 seconds [ethernet] >=20 > --=20 > Allan Jude > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to = "freebsd-virtualization-unsubscribe@freebsd.org"
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