[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-users] SSH ping etc not working between dom0 and domU's
> -----Original Message----- > From: Ilari Mäkelä [mailto:ilari@xxxxxx] > Sent: woensdag 28 mei 2008 17:21 > To: Jeroen Torrekens > Cc: xen-users@xxxxxxxxxxxxxxxxxxx > Subject: Re: [Xen-users] SSH ping etc not working between dom0 and domU's > > Jeroen Torrekens wrote: > > Ilari Mäkelä wrote: > >> Jeroen Torrekens wrote: > >>> Hi, > >>> > >>> I think you might want to check this: > >>> > >>> Here is ifconfig from dom0: > >>> > >>> eth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > >>> inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0 > >>> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link > >>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >>> RX packets:3422 errors:0 dropped:0 overruns:0 frame:0 > >>> TX packets:2133 errors:0 dropped:0 overruns:0 carrier:0 > >>> collisions:0 txqueuelen:1000 > >>> RX bytes:347388 (339.2 KiB) TX bytes:417210 (407.4 KiB) > >>> Interrupt:16 Base address:0x6000 > >>> > >>> Especially the hardware address. > >>> > >>> Jeroen > >> Hi, > >> > >> Thanks for the reply. That is the hardware address that was setup > >> when I installed Debian. If I try to change that hardware address in > >> /etc/network/interface config file I can't ssh to my dom0 machine > >> anymore from other computers in my network. I know it looks weird but > >> if I change it my network on eth0 dies. Now I changed my > >> configuration a bit and it looks like this now: > >> > >> This is my network script at the moment, found this one from this list: > >> > >> #!/bin/sh > >> > >> brctl addbr xenbr0 > >> brctl setfd xenbr0 0 > >> brctl sethello xenbr0 0 > >> brctl stp xenbr0 off > >> ifconfig eth2 0.0.0.0 down > >> ifconfig eth2 0.0.0.0 up > >> brctl addif xenbr0 eth2 > >> ifconfig xenbr0 10.0.0.1 netmask 255.255.255.0 > >> > >> sleep 5 > >> > >> brctl addbr xenbr1 > >> brctl setfd xenbr1 0 > >> brctl sethello xenbr1 0 > >> brctl stp xenbr1 off > >> ifconfig eth3 0.0.0.0 down > >> ifconfig eth3 0.0.0.0 up > >> brctl addif xenbr1 eth3 > >> ifconfig xenbr1 10.0.1.2 netmask 255.255.255.0 > >> > >> sleep 5 > >> > >> ifconfig eth2 0.0.0.0 > >> ifconfig eth3 0.0.0.0 > >> exit 0 > >> > >> > >> ifconfig on dom0: > >> > >> eth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > >> inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0 > >> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:296 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:267 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:1000 > >> RX bytes:29514 (28.8 KiB) TX bytes:33556 (32.7 KiB) > >> Interrupt:16 Base address:0x6000 > >> > >> > >> eth2 Link encap:Ethernet HWaddr 00:1C:F0:5B:69:F8 > >> inet6 addr: fe80::21c:f0ff:fe5b:69f8/64 Scope:Link > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:90 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:14 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:1000 > >> RX bytes:7356 (7.1 KiB) TX bytes:1056 (1.0 KiB) > >> Interrupt:22 Base address:0xe000 > >> > >> eth3 Link encap:Ethernet HWaddr 00:1C:F0:5A:5D:72 > >> inet6 addr: fe80::21c:f0ff:fe5a:5d72/64 Scope:Link > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:253 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:159 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:1000 > >> RX bytes:22429 (21.9 KiB) TX bytes:17327 (16.9 KiB) > >> Interrupt:17 > >> > >> 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:16436 Metric:1 > >> RX packets:26 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:26 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:0 > >> RX bytes:2360 (2.3 KiB) TX bytes:2360 (2.3 KiB) > >> > >> vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > >> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link > >> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 > >> RX packets:9 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:74 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:0 > >> RX bytes:252 (252.0 b) TX bytes:6114 (5.9 KiB) > >> > >> vif2.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > >> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link > >> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 > >> RX packets:174 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:242 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:0 > >> RX bytes:14867 (14.5 KiB) TX bytes:21373 (20.8 KiB) > >> > >> xenbr0 Link encap:Ethernet HWaddr 00:1C:F0:5B:69:F8 > >> inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0 > >> inet6 addr: fe80::21c:f0ff:fe5b:69f8/64 Scope:Link > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:99 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:0 > >> RX bytes:6348 (6.1 KiB) TX bytes:552 (552.0 b) > >> > >> xenbr1 Link encap:Ethernet HWaddr 00:1C:F0:5A:5D:72 > >> inet addr:10.0.1.2 Bcast:10.0.1.255 Mask:255.255.255.0 > >> inet6 addr: fe80::21c:f0ff:fe5a:5d72/64 Scope:Link > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:111 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:9 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:0 > >> RX bytes:6642 (6.4 KiB) TX bytes:594 (594.0 b) > >> > >> and kernel routing table on dom0: > >> > >> Kernel IP routing table > >> Destination Gateway Genmask Flags MSS Window > >> irtt Iface > >> 10.0.0.0 0.0.0.0 255.255.255.0 U 0 > >> 0 0 xenbr0 > >> 10.0.1.0 0.0.0.0 255.255.255.0 U 0 > >> 0 0 xenbr1 > >> 192.168.1.0 0.0.0.0 255.255.255.0 U 0 > >> 0 0 eth0 > >> 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 > >> 0 0 eth0 > >> > >> Now I can ping my dom0 from domU's but everything else is still > >> failing. Can't ping my domU's from dom0 and ssh doesn't work at all. > >> So there is little progress because ping wasn't working at all before > >> and now it works from domU to dom0. > >> > >> Ilari Mäkelä > > Could you provide me with the output of 'brctl show' ? > > Thanks! > Hi, > > This is a bit strange. I changed my hardware address in > /etc/network/interfaces file and booted my computer. Now I can access my > dom0 from my domU with ssh but now I can't access my dom0 from other > computers in my network like I used to before changing that hardware > address. But here is the output you asked: > > bridge name bridge id STP enabled interfaces > xenbr0 8000.001cf05b69f8 no eth2 > vif1.0 > xenbr1 8000.001cf05a5d72 no eth3 > vif2.0 > > > Ilari Mäkelä Why do you change the MAC address of you eth0? And what is the value now? Just leave it. It is called Hardware Address for a reason; just let it have its original value. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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