On 11/22/2013 06:52 PM, Sherin A wrote: > On Friday 22 November 2013 04:19 PM, Sherin A wrote: >> On Friday 22 November 2013 01:33 PM, Sherin A wrote: >>> On Friday 22 November 2013 01:24 PM, Gao feng wrote: >>>> On 11/22/2013 03:47 PM, Sherin A wrote: >>>>> Hello, >>>>> >>>>> I am not able to see vrbr0 in my box. Can some one help me with this ? . I am trying KVM+libvirt and planing to use Routed mode. I hope this virbr0 must be up for using this . I can give an >>>>> strace too. >>>>> >>>>> OS : Debian , kernel 3.12.0 >>>>> libvrit version : 0.9.8 >>>>> ____________________________________________________________________ >>>>> root@:~# ifconfig >>>>> br0 Link encap:Ethernet HWaddr 4c:72:b9:32:32:86 >>>>> inet addr:10.0.0.12 Bcast:10.0.0.255 Mask:255.255.255.0 >>>>> inet6 addr: fe80::4e72:b9ff:fe32:3286/64 Scope:Link >>>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>>> RX packets:4523 errors:0 dropped:0 overruns:0 frame:0 >>>>> TX packets:4068 errors:0 dropped:0 overruns:0 carrier:0 >>>>> collisions:0 txqueuelen:0 >>>>> RX bytes:2286336 (2.2 MB) TX bytes:411238 (411.2 KB) >>>>> >>>>> eth0 Link encap:Ethernet HWaddr 4c:72:b9:32:32:86 >>>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>>> RX packets:17044 errors:0 dropped:0 overruns:0 frame:0 >>>>> TX packets:14253 errors:0 dropped:0 overruns:0 carrier:0 >>>>> collisions:0 txqueuelen:1000 >>>>> RX bytes:12594945 (12.5 MB) TX bytes:1902456 (1.9 MB) >>>>> Interrupt:20 Memory:f7c00000-f7c20000 >>>>> >>>>> lo Link encap:Local Loopback >>>>> inet addr:127.0.0.1 Mask:255.0.0.0 >>>>> inet6 addr: ::1/128 Scope:Host >>>>> UP LOOPBACK RUNNING MTU:65536 Metric:1 >>>>> RX packets:4 errors:0 dropped:0 overruns:0 frame:0 >>>>> TX packets:4 errors:0 dropped:0 overruns:0 carrier:0 >>>>> collisions:0 txqueuelen:0 >>>>> RX bytes:240 (240.0 B) TX bytes:240 (240.0 B) >>>>> >>>>> ------------------------------------------------------------------- >>>>> root@:~# virsh net-start default >>>>> error: Failed to start network default >>>>> error: failed to add iptables rule to enable masquerading >>>>> >>>>> root@:~# virsh net-list --all >>>>> Name State Autostart >>>>> ----------------------------------------- >>>>> default inactive yes >>>>> >>>>> root@:~# virsh net-start default >>>>> error: Failed to start network default >>>>> error: failed to add iptables rule to enable masquerading >>>>> >>>> seems like your kernel doesn't have ipt_MASQUERADE installed. >>>> try modprobe ipt_MASQUERADE >>>> >>> Hi Gao, >>> >>> >>> Yes , it looks like I am missing more module. I will recompile the kernel and test more, the following is the reason behind this issue. >>> >>> root@:~# tail /var/log/libvirt/libvirtd.log >>> 2013-11-22 07:43:06.388+0000: 4328: error : virCommandWait:2192 : internal error Child process (/sbin/iptables --table nat --insert POSTROUTING --source 192.168.122.0/24 ! --destination >>> 192.168.122.0/24 --jump MASQUERADE) status unexpected: exit status 3 >>> 2013-11-22 07:43:06.388+0000: 4328: error : networkAddMasqueradingIptablesRules:966 : failed to add iptables rule to enable masquerading >>> >>> root@:~# /sbin/iptables --table nat --insert POSTROUTING --source 192.168.122.0/24 ! --destination 192.168.122.0/24 --jump MASQUERADE >>> iptables v1.4.12: can't initialize iptables table `nat': Table does not exist (do you need to insmod?) >>> Perhaps iptables or your kernel needs to be upgraded. >>> root@# find /lib/modules/`uname -r` -iname "ipt*.ko" >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/ipt_ULOG.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/ipt_REJECT.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/iptable_raw.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/iptable_filter.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/ipt_CLUSTERIP.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/ipt_ah.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/iptable_mangle.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/iptable_security.ko >>> /lib/modules/3.12.0-zilonus/kernel/net/ipv4/netfilter/ipt_ECN.ko >>> root@~# >>> root@myhome:~# lsmod | grep ipt >>> ipt_REJECT 12541 0 >>> iptable_mangle 12695 0 >>> iptable_filter 12810 0 >>> ip_tables 26952 2 iptable_mangle,iptable_filter >>> x_tables 29804 11 xt_physdev,ip6table_filter,ip6_tables,ebtables,xt_state,ipt_REJECT,xt_CHECKSUM,iptable_mangle,xt_tcpudp,iptable_filter,ip_tables >>> root@:~# modinfo iptable_nat >>> ERROR: modinfo: could not find module iptable_nat >>> root@:~# >>> >>> I will compile the kernel and get back soon. >>> >> >> I fixed the iptable issue . But it is still not showing vrbr0 . Now it shows the following error , >> root@myhome:~# virsh net-list --all >> Name State Autostart >> ----------------------------------------- >> default inactive yes >> >> root@myhome:~# virsh net-start default >> error: Failed to start network default >> error: internal error Child process (/usr/sbin/dnsmasq -u libvirt-dnsmasq --strict-order --bind-interfaces --pid-file=/var/run/libvirt/network/default.pid --conf-file= --except-interface lo >> --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override) status unexpected: exit >> status 2 >> >> >> 2013-11-22 10:42:51.113+0000: 1288: error : virCommandWait:2192 : internal error Child process (/usr/sbin/dnsmasq -u libvirt-dnsmasq --strict-order --bind-interfaces >> --pid-file=/var/run/libvirt/network/default.pid --conf-file= --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 >> --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override) status unexpected: exit status 2 >> > I fixed this too , there was a multiple instance of dnsmasq making this mess, I killed it and removed the autostart too. that fixed the issue, Now vrbr0 is up > > oot@myhome:~# ps aux | grep mask > root 3135 0.0 0.0 13584 924 pts/0 S+ 16:19 0:00 grep --color=auto mask > root@myhome:~# ps aux | grep dns > dnsmasq 1196 0.0 0.0 33020 1016 ? S 16:10 0:00 /usr/sbin/dnsmasq -x /var/run/dnsmasq/dnsmasq.pid -u dnsmasq -r /var/run/dnsmasq/resolv.conf -7 > /etc/dnsmasq.d,.dpkg-dist,.dpkg-old,.dpkg-new > 134 2749 0.0 0.0 33024 1032 ? S 16:15 0:00 /usr/sbin/dnsmasq -u libvirt-dnsmasq --strict-order --bind-interfaces --pid-file=/var/run/libvirt/network/default.pid --conf-file= > --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override > 134 2807 0.0 0.0 33024 1028 ? S 16:16 0:00 /usr/sbin/dnsmasq -u libvirt-dnsmasq --strict-order --bind-interfaces --pid-file=/var/run/libvirt/network/default.pid --conf-file= > --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override > root 3137 0.0 0.0 13588 928 pts/0 S+ 16:20 0:00 grep --color=auto dns > root@myhome:~# pkill -9 dnsmasq > root@myhome:~# ps aux | grep dns > root 3140 0.0 0.0 13584 928 pts/0 S+ 16:20 0:00 grep --color=auto dns > root@myhome:~# virsh net-start default > Network default started > > root@myhome:~# ifconfig > br0 Link encap:Ethernet HWaddr 4c:72:b9:32:32:86 > inet addr:10.0.0.12 Bcast:10.0.0.255 Mask:255.255.255.0 > inet6 addr: fe80::4e72:b9ff:fe32:3286/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:1428 errors:0 dropped:0 overruns:0 frame:0 > TX packets:1517 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:1400480 (1.4 MB) TX bytes:194878 (194.8 KB) > > eth0 Link encap:Ethernet HWaddr 4c:72:b9:32:32:86 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:1847 errors:0 dropped:0 overruns:0 frame:0 > TX packets:1525 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:1496510 (1.4 MB) TX bytes:203001 (203.0 KB) > Interrupt:20 Memory:f7c00000-f7c20000 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:65536 Metric:1 > RX packets:4 errors:0 dropped:0 overruns:0 frame:0 > TX packets:4 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:240 (240.0 B) TX bytes:240 (240.0 B) > > virbr0 Link encap:Ethernet HWaddr 16:ea:84:8f:53:c8 > inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 > UP BROADCAST MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > > root@myhome:~# update-rc.d -f dnsmasq remove > Removing any system startup links for /etc/init.d/dnsmasq ... > /etc/rc0.d/K85dnsmasq > /etc/rc1.d/K85dnsmasq > /etc/rc2.d/S15dnsmasq > /etc/rc3.d/S15dnsmasq > /etc/rc4.d/S15dnsmasq > /etc/rc5.d/S15dnsmasq > /etc/rc6.d/K85dnsmasq > root@myhome:~# > > Thank you for your help. > You are welcome :) _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
