similar to: ssh from dom0 to domU

> That''s great, except when you need *two* bridges, for two > independent subnets, and there is no, as far as I can see, peth1. You can have multiple vethX interfaces on recent builds -- see netback/loopback.c. I think the current default is a rather miserly 1 (and should be increased), but can be set on the command line. Ian > Em Wednesday 14 September 2005 16:30, John

> Hi. what creates veth0 and vifu.0, when? what''s the > underlying architecture behind them? Just trying to > understand the internals. netback/loopback.c creates them. It''s effectively a point to point link, allowing domain 0 to connect on to the bridge in the same manner that other domains do. (before, packets to domain 0 were short-cutted and came off the

Hello, I can''t seem to get the network going. I found this message in the log of Domain0: ----------------------------------------------------------------------- Dec 1 15:39:18 zms wait_for_sysfs[4180]: either wait_for_sysfs (udev 039) needs an update to handle the device ''/class/net/br0'' properly (no device symlink) or the sysfs-support of your device''s

Hello, I''m trying to upgrade to using the "boxed" xen supported on FC4 after having it working fine for a while on a manual installation on FC3. I upgraded the host operating system with the FC4 cdroms, and it went mostly fine (after I turned off SElinux...) Now, when I try to boot one of the provided xen kernels, namely: vmlinuz-2.6.12-1.1447_FC4xen0 I always get the warning

Hi John, And an excellent stab that was. I have two network interfaces. eth0 is a 3Com with a Broadcom Corporation NetXtreme BCM5701 Gigabit Ethernet chip, and eth1 is a 3Com 3cSOHO100-TX Hurricane chip. On the gigabit card, I couldn''t test anything, because I could not find out how to disable/enable/check checksum offloading. Using ethtool gives: Operation not supported For the

Hello, I''m still having problems with my ''upgrade'' to the FC4 xen packages. I have a domain with two virtual network interfaces, in two different subnets. For a domain with a single interface, the new networkd setup script works fine, but it does work (for me) with two interfaces. It used to work fine, and I used to set it up with simply by more or less blindly doing

Hi, I'm VNCing into my KVM server and opening virt-manager. When trying to manage a newly created guest, I'm finding the mouse pointer stays on the outside of its virtual machine window. Any insight as to why its tracking so oddly? Thanks in advance, - aurf

All works fine on my virtual hosts, except the network. The internal interface is created (have an ip address), the external bridge is ok, with the external vif1.0 for the virtual host, but `ping virtual_host_address` dont work. Ok, I try to put on vif1.0 an ip address. When I do an `ifconfig vif1.0 127.1.2.3` the network works fine, `ping virtual_host_address` works and all machines from my

Hi, Creating a new domain is a lot easier in opensuse 11. I follow the instruction on the website and build a virtual machine which uses opensuse 11 as well (I installed it from iso image). Everything works fine except the network. I cannot access the Internet from DomU. Here is some information. P.S. the DomU id is 1. "brctl show" in Dom 0: bridge name bridge id STP

Hi, I have taken the long and winding road and indeed it lead me to your door. I need your help, please. My Xen includes 2 guests. Xen itself (10.2.0.52) gets free access to the outside world and to its guests. Both guests however (10.2.0.54/10.2.0.55) see each other but stay under house arrest! Not a single ping manages to go past the bridge (xenbr0) and get an answer from the default gateway

Problem still not solved, or any idea whats wrong. here are some msgs: device vif1.0 entered promiscuous mode alloc irq_desc for 1246 on node 0 alloc kstat_irqs on node 0 brI: port 2(vif1.0) entering learning state device vif1.1 entered promiscuous mode brE: port 2(vif1.1) entering learning state physdev match: using --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for

Hi Everyone, In order to prevent DomU from entering promiscuous mode, is it just a matter of adding these 2 rules when the vif is created? # Accept packets leaving the bridge going to the domU only if # the destination IP for that packet matches an authorized IPv4 # address for that domU. iptables -A FORWARD -m physdev --physdev-out vif1.0 \ --destination 216.146.46.43 -j ACCEPT

hi all , i use ubuntu 12.04 with xcp , all config run very well except vlan i use xe network-create and xe vlan-create to build vlan 3000 then startup a vm in this network, xapi0 fakebridge and vif1.0 all looks well, use ovs-vsctl list port i can see xapi0 and vif1.0 have beed taged with 3000 but i can not access the internent~~~ somebody can help me with this? thanks.

Hi, can anyone help me with this (weirdest problem Ive ever seen) I have the latest Debian Squeeze vendor xen dom0 kernel and 1 domU succesfully installed on it using bridged networking. From dom0, I can ping/telnet etc. to anywhere on the web WHAT IS WORKING > * From my domU I can successfully ping google.com and telnet to 8.8.8.8:53 (googles dns server) * tcpdump vif1.0 and I see SYNs and

Hello all I am using open source xen v 3.0.4. When network-nat and vif-nat is activated in the config file, modified guests boot ok but hvm guests does not have network connection. Here is the config files: xend-config.sxp ------------------------------------- #(network-script network-bridge) #(vif-script vif-bridge) (network-script network-nat) (vif-script vif-nat)

Hey All I''m Using Xen 3.0.3-105 on CentOS 5.5. It Has to Nics: eth0 - Internet eth1 - Internal Lan ( where Dhcp , DNs , Cobbler - Kick Start Server Resides ) I''ve Set xend-config.xsp to create xenbr1 on eth1 and it looks well So Guest May Get Access TO ALl Resources via the Bridge. brctl show bridge name bridge id STP enabled interfaces xenbr1

Hi, I would like to know if somebody can point me out how to configure several DomUs in a private LAN (for example 192.168.100.0/24) and one DomU with two interfaces (one - 192.168.100.0/24 and two - internet). So far I have enabled in xend-config.sxp: (network-script network-route) (vif-script vif-route) My config files have: /mnt/VM/1.cfg:vif = [''ip=192.168.1.3'']

Hi, this is propably bridge related and not really a xen problem, but it might help someone: Some of our domUs are not able to arp. Arp -n show (incomplete), and doing a tcpdump shows, that on the dom0''s eth0 the arp request goes out, the response comes in, but on the vifX.0 interface the arp response is gone. dom0# tcpdump -ni eth0 arp who-has 10.32.2.51 tell 10.32.7.70 arp reply

Hi, I am trying to shape traffic to two VMs hosted in Xen. There seems to be very little information regarding this. I found this web page http://www.ioncannon.net/system-administration/57/limiting-bandwidth-usa ge-on-xen-linux-setup/ and followed the instructions. But, the real bandwidth experienced from clients always seems to exceed the set rate. Part of the problem may be because of the way

Hello, I am working on a web system (php) that uses R in the backend, and we need some basic fast encryption/decryption for the underlying mysql database that can be used by both R AND php. It does not need to be top-of-the-line, but just provide some basic level of fast encryption/decryption. Any suggestions? Thank you, Ramiro [[alternative HTML version deleted]]