Hello, i have an issue a gentoo xen domu. It has got correct IP addresses configured. ============================================sh-4.0# ifconfig eth0 Link encap:Ethernet HWaddr aa:00:86:3d:64:01 inet addr:XXX.XXX.XXX.100 Bcast:XXX.XXX.XXX.255 Mask:255.255.255.0 UP BROADCAST RUNNING MTU:1500 Metric:1 RX packets:146301 errors:0 dropped:0 overruns:0 frame:0 TX packets:571 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:45320764 (43.2 MiB) TX bytes:23982 (23.4 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:648 errors:0 dropped:0 overruns:0 frame:0 TX packets:648 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:111559 (108.9 KiB) TX bytes:111559 (108.9 KiB) sh-4.0# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface XXX.XXX.XXX.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 XXX.XXX.XXX.1 0.0.0.0 UG 0 0 0 eth0 sh-4.0# ============================================ But, I am not able to reach gateway from VPS. ================sh-4.0# ping -c 3 XXX.XXX.XXX.1 PING XXX.XXX.XXX.1 (XXX.XXX.XXX.1) 56(84) bytes of data.>From XXX.XXX.XXX.100 icmp_seq=1 Destination Host Unreachable >From XXX.XXX.XXX.100 icmp_seq=2 Destination Host Unreachable >From XXX.XXX.XXX.100 icmp_seq=3 Destination Host Unreachable--- XXX.XXX.XXX.1 ping statistics --- 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2001ms ================ Gateway is accessible from dom0 ====================[root@dom0 ~]# ping -c 3 XXX.XXX.XXX.1 PING XXX.XXX.XXX.1 (XXX.XXX.XXX.1) 56(84) bytes of data. 64 bytes from XXX.XXX.XXX.1: icmp_seq=1 ttl=255 time=0.466 ms 64 bytes from XXX.XXX.XXX.1: icmp_seq=2 ttl=255 time=0.537 ms 64 bytes from XXX.XXX.XXX.1: icmp_seq=3 ttl=255 time=0.471 ms --- XXX.XXX.XXX.1 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.466/0.491/0.537/0.037 ms ==================== I have verified that bridge configuration and is fine. I am able to reach gateway from other VPS servers. So, the issue is quite puzzling to me. I will be extremely grateful for any advise you can offer in troubleshooting this problem. Note: I replaced first three octets due to privacy reasons -- Thanks, Sherin _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Fajar A. Nugraha
2010-Jan-04 08:30 UTC
Re: [Xen-users] Unable to reach gateway from a xen domu
On Sun, Jan 3, 2010 at 10:46 PM, Sherin George <list@sheringeorge.co.cc> wrote:> But, I am not able to reach gateway from VPS.> Gateway is accessible from dom0What is "brctl show" output? Can dom0 ping vps? -- Fajar _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Sherin George
2010-Jan-04 09:38 UTC
Re: [Xen-users] Unable to reach gateway from a xen domu
Hello Fajar, Thanks for taking time to review the mail and to reply. In "brctl show", virtual interfaces were showing as attached to xenbr0. Other VPS servers attached to xenbr0 were also working fine But, it turned out to be a weird problem within the vps at last. I am sure it was not firewall or an issue with TCP stack. As a last resort, I replaced some files in "/etc" with default files from vps template and that fixed it. I am still trying to find what was the actual problem. Thanks again. -- Best Regards, Sherin On Mon, Jan 4, 2010 at 2:00 PM, Fajar A. Nugraha <fajar@fajar.net> wrote:> On Sun, Jan 3, 2010 at 10:46 PM, Sherin George <list@sheringeorge.co.cc> > wrote: > > But, I am not able to reach gateway from VPS. > > > Gateway is accessible from dom0 > > What is "brctl show" output? > Can dom0 ping vps? > > -- > Fajar >_______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users