Date: Thu, 19 May 2011 13:58:14 -0400 From: Andrew Boyer <aboyer@averesystems.com> To: Igor Anishchuk <igor.anishchuk@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: ixgbe> vlan addition and removal brings the interfaces down and up Message-ID: <8F86FFA7-E2D7-40D6-A1B5-DFCFA47EBD75@averesystems.com> In-Reply-To: <BANLkTinL3pf_irOAc15Ubp%2BGquM5D60d%2Bw@mail.gmail.com> References: <BANLkTinL3pf_irOAc15Ubp%2BGquM5D60d%2Bw@mail.gmail.com>
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I have a patch that will fix this. Please give me a little while to = clean it up, and I will send it out on the list. -Andrew On May 19, 2011, at 2:58 AM, Igor Anishchuk wrote: > Hi All, >=20 > I've been using Intel E10G42AFDA 10Gbit/s AF DA Dual Port adapters > with direct attach cables and there is one thing keeps bothering me. > I've been searching the Internet for any information with no luck. I > would also assume that the problem is widely known, and I found one > related PR kern/141285 but that one was closed unsolved. >=20 > When a VLAN interface is added or removed to from the ix interfaces > the parent interface is briefly brought down and up. This event is > visible for all applications and the switches. With my use case I add > and remove VLAN interfaces on the fly and the described behavior > causes undesired effects, especially for BGP daemons that are > configured to monitor one of permanent VLAN interfaces. >=20 > I use FreeBSD 7-STABLE and the behavior is the same with stock > drivers, with 2.2.3 and with 2.3.8 drivers downloaded from Intel web > site. I have attempted to disable -vlanhwtag, -vlanhwfilter and > -vlanhwtso with no effect. >=20 > Could someone help me to stop the cards behaving this way? I do not > mind some performance penalties, nor running in permanent promiscuous > mode. I just want the card to stay up all the time regardless of the > vlan interfaces attached to it. >=20 > Any help, links, patches are much appreciated. >=20 > Regards, >=20 > Igor Anishchuk > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -------------------------------------------------- Andrew Boyer aboyer@averesystems.com
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