From lfinstrle at netsuite.com Fri Nov 21 21:13:23 2014 Content-Type: multipart/mixed; boundary="===============9015802124893028134==" MIME-Version: 1.0 From: Finstrle, Ludek To: users at ovirt.org Subject: Re: [ovirt-users] Jumbo Frames Date: Sat, 22 Nov 2014 02:13:16 +0000 Message-ID: <1416622396.5024.1.camel@lfinstrle-lp.corp.netledger.com> In-Reply-To: 123310156.2119125.1416560640184.JavaMail.zimbra@innovot.com --===============9015802124893028134== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Edit and there is a empty field for VLAN) ;) I'm using 3 networks on 1 network interface this way without ovs. Cheers, Luf Phil Daws p=C3=AD=C5=A1e v P=C3=A1 21. 11. 2014 v 09:04 +0000: > Dan: = > = > How would you suggestion work as you can only assign one network to an in= terface? as mentioned we only have one NIC in the server so hence using OVS= to VLAN. = > = > Thanks, Phil = > = > ----- Original Message ----- = > From: "Dan Yasny" = > To: "Phil Daws" = > Cc: "users" = > Sent: Friday, 21 November, 2014 1:39:32 AM = > Subject: Re: [ovirt-users] Jumbo Frames = > = > Why do you use OVS at all? If you have VLANs, all you need is to tag the = mgmt traffic, and create a VM traffic VLAN with a different MTU. The bridge= and underlying NICs will have MTU=3D9000 and the VM bridge will have MTU= =3D1500 = > = > On Thu, Nov 20, 2014 at 7:40 PM, Phil Daws < uxbod(a)splatnix.net > wrote= : = > = > = > Hello: = > = > am really enjoying oVirt but have now hit an issue with iSCSI. As there i= s only one NIC in the host I have had to enable an MTU of 9000 on ovirtmgmt= . Then have vNIC profiles on that interface which are using a custom hook f= or Openvswitch. I have created a specific vLAN for iSCSI traffic and on the= initiator and targets have set their respective interface MTUs to be 9000.= When I connect to a LUN it is timing out straight away with a 1011 error. = If I drop the MTU back to 1500 all works okay. This is all fine on my other= KVM, non-oVirt, system so am wondering if I have missed a step ? = > = > Thanks, Phil = > _______________________________________________ = > Users mailing list = > Users(a)ovirt.org = > http://lists.ovirt.org/mailman/listinfo/users = > = > = > = > = > = > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > = NOTICE: This email and any attachments may contain confidential and proprie= tary information of NetSuite Inc. and is for the sole use of the intended r= ecipient for the stated purpose. Any improper use or distribution is prohib= ited. If you are not the intended recipient, please notify the sender; do n= ot review, copy or distribute; and promptly delete or destroy all transmitt= ed information. 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