search for: gratuitous

...with xen 4.1.2 running 3.6.11 kernel. The domU is a Ubuntu 12.04 with a 3.2 kernel. The networking setup uses bridges on the dom0. I also made sure that the bridge forwarding delay is set to 0. The VM doesn''t initiate any network activity on its own, so it''s solely relying on the gratuitous ARP to be sent for the various place (switch and dom0 bridges) to be updated. I confirmed that the gratuitous ARP is sent by the domU after migration by using tcpdump. I can also see it on the vif on the dom0. But I can''t see it on the bridge interface in the dom0, nor on the network itse...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packets when needed. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it is set, a workqueue is scheduled to send gratuitous packet through NETDEV_NOTIFY_PEERS. This feature is negotiated through bit VIRTIO_NET_F_GUEST_ANNOUNCE. Changes from v4: - typos - handle workq...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packets when needed. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it is set, a workqueue is scheduled to send gratuitous packet through NETDEV_NOTIFY_PEERS. This feature is negotiated through bit VIRTIO_NET_F_GUEST_ANNOUNCE. Changes from v4: - typos - handle workq...

I''ve implemented code to send out bogus gratuitous ARP packet from vna in order to fix CR 6701114. The webrev is at: http://jurassic.eng/net/consulte.prc/export/build/xvm-6701114/webrev Some backgroud information (see CR 6701114 for more detail): During live migration of an xVM domain from one dom0 to another, the VNIC will be moved from one swit...

Hello, My apologies if this isn''t the right place to send questions about this thread. I have a couple one''s about proxy_arp and gratuitous arp reply frames. I have setup the proxy_arp parameter on a linux system (kernel 2.4.20). Now, when I start a M$-Windoze machine it complain about "...duplicated IP address...". This is a know behaviour, and the solution is regedit and http://www.ntfaq.com/Articles/Index.cfm?ArticleID=15...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packets when needed. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it is set, a workqueue is scheduled to send gratuitous packet through NETDEV_NOTIFY_PEERS. This feature is negotiated through bit VIRTIO_NET_F_GUEST_ANNOUNCE. Changes from v5: - notify the chain bef...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packets when needed. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it is set, a workqueue is scheduled to send gratuitous packet through NETDEV_NOTIFY_PEERS. This feature is negotiated through bit VIRTIO_NET_F_GUEST_ANNOUNCE. Changes from v5: - notify the chain bef...

...ith a ctrl vq and can solve the race between host and guest. So this patch makes VIRTIO_NET_F_ANNOUNCE depends on VIRTIO_NET_F_CTRL_VQ and introduces a dedicated command VIRTIO_NET_CTRL_ANNOUNCE_ACK to let device clear the VIRTIO_NET_S_ANNOUNCE bit in the status field. Changes from v1: - Send the gratuitous packets or mark them as pending before send VIRTIO_NET_CTRL_ANNOUNCE_ACK command. Signed-off-by: Jason Wang <jasowang at redhat.com> --- virtio-0.9.4.lyx | 76 +++++++++++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 69 insertions(+), 7 deletions(-) diff --git a/virtio-0.9...

...ith a ctrl vq and can solve the race between host and guest. So this patch makes VIRTIO_NET_F_ANNOUNCE depends on VIRTIO_NET_F_CTRL_VQ and introduces a dedicated command VIRTIO_NET_CTRL_ANNOUNCE_ACK to let device clear the VIRTIO_NET_S_ANNOUNCE bit in the status field. Changes from v1: - Send the gratuitous packets or mark them as pending before send VIRTIO_NET_CTRL_ANNOUNCE_ACK command. Signed-off-by: Jason Wang <jasowang at redhat.com> --- virtio-0.9.4.lyx | 76 +++++++++++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 69 insertions(+), 7 deletions(-) diff --git a/virtio-0.9...

orabug: 14470382 When Dom0''s network environment change, for example the issue, DomU should send send gratuitous ARP initially to notify how to reach it. To fix the bug, we should modify backend and frontend at the same time. For fixing frontend, i filer the new bug 16182568. The review only to backend. For fixing the backend, I have 4 patch for review. Thanks, Jason

Author: darrenm Repository: /hg/zfs-crypto/gate Revision: 448a96652f7fe8b4f2f8af8045dcef6f896be12a Log message: 6387674 bzeros removed by 6264344 were not gratuitous Files: update: usr/src/common/crypto/md5/md5.c update: usr/src/common/crypto/sha1/sha1.c update: usr/src/common/crypto/sha2/sha2.c

...guest migrated successfully but ping from outside failed due to layer2 address-table not being updated on switch. Once the guests initiates network traffic, then pings from outside work. I''ve searched Xen mailing lists and wiki and haven''t found any definitive information about gratuitous ARP for HVM/qemu guests. If someone could point me in the right direction - source code, documentation, or otherwise, it would be much appreciated. Thanks, Mark _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-u...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packet when needed. Guest test VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it is set, a workqueue is scheduled to send gratuitous packet through NETDEV_NOTIFY_PEERS. This feature is negotiated through bit VIRTIO_NET_F_GUEST_ANNOUNCE. Changes from v3: - cancel the workqueue d...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packet when needed. Guest test VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it is set, a workqueue is scheduled to send gratuitous packet through NETDEV_NOTIFY_PEERS. This feature is negotiated through bit VIRTIO_NET_F_GUEST_ANNOUNCE. Changes from v3: - cancel the workqueue d...

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hi. for domain migration, this is an obvious procedure in order to announce the relocation of the guest being bridged on a different host. i''ve been grepping around the xen build tree to see whether and where this is covered. haven''t found anything yet. is this covered by linux kernel bridging already, or is it just missing [read: left as a scripting exercise to

Obviously not official, but I came across the following article about Apple's release of QuickTime 6. http://news.com.com/2100-1023-943990.html To wit: > > "We've made a lot of progress as an industry working with MPEG LA, > moving them considerably from where they were six months ago," said > Frank Casanova, Apple's director of QuickTime product marketing.

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packets when needed. This patch implements VIRTIO_NET_F_GUEST_ANNOUNCE feature: hypervisor would notice the guest when it thinks it's time for guest to announce the link presnece. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and woule send gratuitous packets through net...

As hypervior does not have the knowledge of guest network configuration, it's better to ask guest to send gratuitous packets when needed. This patch implements VIRTIO_NET_F_GUEST_ANNOUNCE feature: hypervisor would notice the guest when it thinks it's time for guest to announce the link presnece. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and woule send gratuitous packets through net...

When I try to start notepad, it starts with a grayed title bar, like it wasnt active. I cant enter text into the input window. Strange thing, menus work. To get it look like active and type text, I must select the system menu and "About wine". After closing the new window (that has appeared as active), i see that notepad appears active and I can enter text. Has someone this issue ?