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xen-devel
RE: [Xen-devel] RE: new /etc/xen/network script
mylog as your request
ifconfig
netstat -rn
ifdown eth0
netstat -rn
ifconfig
***before**********
eth0 Link encap:Ethernet HWaddr 00:0C:F1:FE:4C:5B
inet addr:172.16.219.40 Bcast:172.16.219.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3989 errors:0 dropped:0 overruns:0 frame:0
TX packets:4719 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:297298 (290.3 KiB) TX bytes:3176564 (3.0 MiB)
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:28 errors:0 dropped:0 overruns:0 frame:0
TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1768 (1.7 KiB) TX bytes:1768 (1.7 KiB)
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
172.16.219.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 172.16.219.241 0.0.0.0 UG 0 0 0 eth0
**after ifdown eth0 **
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
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:28 errors:0 dropped:0 overruns:0 frame:0
TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1768 (1.7 KiB) TX bytes:1768 (1.7 KiB)
Ian Pratt <mailto:m+Ian.Pratt@xxxxxxxxxxxx> scribbled on 2005年8月17日 0:51:
>> I, too, am having network related issues. I am now seeing
>> this problem on a FC3 box, which previously had worked just
>> fine. The networking is working fine before I enter 'xend
>> start'. No changes are made to the network-bridge script that
>> comes with the source, and the machine has only only nic, eth0.
>
> Grrr. Please can you do a 'netstat -rn' before and after.
> What kind of network card is this?
>
> The TX/RX counters for the new eth0 are non zero. Are they going up?
> In what whay does networking not work? Can you use tcpdump on eth0 to
> determine whether packets from the outside world are arriving. If
> not, what about peth0? (Bare in mind that if you only have one-way
> connectivity the only packets you're see are arps, not icmp pings or
> anything else)
>
> Ian
>
>> ifconfig before 'xend start':
>>
>> [root@dbarrera ~]# ifconfig
>> eth0 Link encap:Ethernet HWaddr 00:0D:60:F0:C5:C8
>> inet addr:9.53.94.235 Bcast:9.53.94.255
>> Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST
>> MTU:1500 Metric:1 RX packets:99 errors:0 dropped:0
>> overruns:0 frame:0 TX packets:88 errors:0 dropped:0
>> overruns:0 carrier:0 collisions:0 txqueuelen:1000
>> RX bytes:12299 (12.0 KiB) TX bytes:11426 (11.1 KiB)
>> Base address:0x2000 Memory:e8100000-e8120000
>>
>> 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: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:2216 (2.1 KiB) TX bytes:2216 (2.1 KiB)
>>
>> [root@dbarrera ~]# brctl show
>> bridge name bridge id STP enabled interfaces
>> [root@dbarrera ~]#
>>
>> when 'xend start' is entered, these messages appear on console:
>> store_evtchn = 16 XENBUS xs_read_watch: 0
>>
>> ifconfig AFTER 'xend start'eth0 Link encap:Ethernet
>> HWaddr 00:0D:60:F0:C5:C8
>> inet addr:9.53.94.235 Bcast:9.53.94.255
>> Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST
>> MTU:1500 Metric:1 RX packets:380 errors:0 dropped:0
>> overruns:0 frame:0 TX packets:3 errors:0 dropped:0
>> overruns:0 carrier:0 collisions:0 txqueuelen:0
>> RX bytes:28046 (27.3 KiB) TX bytes:426 (426.0 b)
>>
>> 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: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:2216 (2.1 KiB) TX bytes:2216 (2.1 KiB)
>>
>> peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
>> inet addr:9.53.94.235 Bcast:9.53.94.255
>> Mask:255.255.255.0 UP BROADCAST RUNNING NOARP MULTICAST
>> MTU:1500 Metric:1 RX packets:501 errors:0 dropped:0
>> overruns:0 frame:0 TX packets:111 errors:0 dropped:0
>> overruns:0 carrier:0 collisions:0 txqueuelen:1000
>> RX bytes:44601 (43.5 KiB) TX bytes:12036 (11.7 KiB)
>> Base address:0x2000 Memory:e8100000-e8120000
>>
>> vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>> RX packets:3 errors:0 dropped:0 overruns:0 frame:0
>> TX packets:380 errors:0 dropped:0 overruns:0 carrier:0
>> collisions:0 txqueuelen:0
>> RX bytes:426 (426.0 b) TX bytes:28046 (27.3 KiB)
>>
>> xen-br0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>> RX packets:375 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:22208 (21.6 KiB) TX bytes:0 (0.0 b)
>>
>> [root@dbarrera ~]# brctl show
>> bridge name bridge id STP enabled interfaces
>> xen-br0 8000.feffffffffff no peth0
>> vif0.0
>>
>> xen-br0 is up, but networking is dead. This is different from
>> the previous issues where xen-br0 was not coming up, but when
>> started manually networking resumed.
>>
>> On 2 other machines, networking is up and working, Dom0 has
>> networking running correctly, but when I start a domU, it
>> does not have networking. I have 3 similar machines, only one
>> of which has a domU with working network; the other two
>> don't, even though they have very similar setups. This *may*
>> end up being a setup issue (although these same setups worked
>> before), but I can't figure out what that could
>> be--everything looks like it is supposed to be.
>>
>>> So, ifdown does succeed in taking the interface down. I
>> wander why the routes aren't getting removed?
>>>
>>> Could you do:
>>> ifconfig
>>> netstat -rn
>>> ifdown eth0
>>> netstat -rn
>>> ifconfig
>>>
>>> Thanks,
>>> Ian
>>>
>>>
>>>> -----Original Message-----
>>>> From: Zhai, Edwin [mailto:edwin.zhai@xxxxxxxxx]
>>>> Sent: 16 August 2005 16:57
>>>> To: Ian Pratt
>>>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; ian.pratt@xxxxxxxxxxxx
>>>> Subject: RE: new /etc/xen/network script
>>>>
>>>>
>>>> ***Before***
>>>> [root@vt-edwin ~]# ifconfig
>>>>
>>>> eth0 Link encap:Ethernet HWaddr 00:0C:F1:FE:4C:5B
>>>>
>>>> inet addr:172.16.219.31 Bcast:172.16.219.255
>>>> Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST
>>>> MTU:1500 Metric:1
>>>>
>>>> RX packets:127 errors:0 dropped:0 overruns:0
>>>> frame:0
>>>> TX packets:65 errors:0 dropped:0 overruns:0 carrier:0
>>>> collisions:0 txqueuelen:1000
>>>>
>>>> RX bytes:18387 (17.9 KiB) TX bytes:6072 (5.9 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:16 errors:0 dropped:0 overruns:0 frame:0
>>>>
>>>> TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
>>>> collisions:0 txqueuelen:0
>>>>
>>>> RX bytes:1168 (1.1 KiB) TX bytes:1168 (1.1 KiB)
>>>>
>>>> ***After ifdown eth0 ***
>>>> [root@vt-edwin ~]# ifconfig
>>>>
>>>> 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:16 errors:0 dropped:0 overruns:0 frame:0
>>>>
>>>> TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
>>>> collisions:0 txqueuelen:0
>>>>
>>>> RX bytes:1168 (1.1 KiB) TX bytes:1168 (1.1 KiB)
>>>>
>>>>
>>>> but
>>>> [root@vt-edwin ~]# ifconfig -a
>>>> eth0 Link encap:Ethernet HWaddr 00:0C:F1:FE:4C:5B
>>>> inet addr:172.16.219.31 Bcast:172.16.219.255
>>>> Mask:255.255.255.0 BROADCAST MULTICAST MTU:1500
>>>> Metric:1 RX packets:182 errors:0 dropped:0 overruns:0
>>>> frame:0 TX packets:66 errors:0 dropped:0 overruns:0
>>>> carrier:0 collisions:0 txqueuelen:1000
>>>> RX bytes:25284 (24.6 KiB) TX bytes:6196 (6.0 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:16 errors:0 dropped:0 overruns:0 frame:0
>>>> TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
>>>> collisions:0 txqueuelen:0
>>>> RX bytes:1168 (1.1 KiB) TX bytes:1168 (1.1 KiB)
>>>>
>>>> veth0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
>>>> 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)
>>>>
>>>> vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
>>>> 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)
>>>>
>>>> Ian Pratt <mailto:m+Ian.Pratt@xxxxxxxxxxxx> scribbled on
>>>> 2005年8月16日 23:41:
>>>>
>>>>>> ian,
>>>>>> as the discussion in this thread, service os netwok will break
>>>>>> after xend start. this simple patch can work on my mahine.
>>>>>> but strange error still occur in xend.log and xend start takes
>>>>>> more time with ifdown/ifup.
>>>>>
>>>>> I guess the patch can't do any harm, but why doesn't ifdown
>>>>> remove the routes?
>>>>>
>>>>> Before starting xend, please can you post the output of the
>>>>> following sequence:
>>>>>
>>>>> ifconfig
>>>>> ifdown eth0
>>>>> ifconfig
>>>>>
>>>>> Thanks,
>>>>> Ian
>>>>>
>>>>>
>>>>>> @@ -192,6 +192,7 @@
>>>>>> ifconfig p${netdev} -arp down
>>>>>> ifconfig p${netdev} hw ether fe:ff:ff:ff:ff:ff
>>>>>> ifconfig ${netdev} hw ether ${mac}
>>>>>> + del_addrs p${netdev}
>>>>>> add_to_bridge ${bridge} vif0.0
>>>>>> add_to_bridge ${bridge} p${netdev}
>>>>>> ip link set vif0.0 up
>>>>>>
>>>>>>
>>>>>> --------------xend.log------------------------
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + set -e [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + OP=start [2005-08-16 23:14:19 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + shift [2005-08-16 23:14:19
>>>>>> xend] ERROR (__init__:988) [network-bridge] + for arg in '"$@"'
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + export bridge=xen-br0 [2005-08-16 23:14:19 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + bridge=xen-br0 [2005-08-16
>>>>>> 23:14:19 xend] ERROR (__init__:988) [network-bridge] + for arg
>>>>>> in '"$@"' [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + export antispoof=no [2005-08-16 23:14:19
>>>>>> xend] ERROR (__init__:988) [network-bridge] + antispoof=no
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + bridge=xen-br0 [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + netdev=eth0 [2005-08-16 23:14:19 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + antispoof=no [2005-08-16
>>>>>> 23:14:19 xend] ERROR (__init__:988) [network-bridge] + echo
>>>>>> '*network start bridge=xen-br0 netdev=eth0 antispoof=no'
>>>>>> [2005-08-16 23:14:19 xend] INFO (__init__:988) [network-bridge]
>>>>>> network start bridge=xen-br0 netdev=eth0 antispoof=no
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + case ${OP} in [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + op_start [2005-08-16 23:14:19 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + '[' xen-br0 == null ']'
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + create_bridge xen-br0 [2005-08-16 23:14:19 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + local bridge=xen-br0
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + brctl show [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + grep -q xen-br0 [2005-08-16 23:14:19 xend]
>>>>>> INFO (__init__:988) EVENT> xend.start 0 [2005-08-16 23:14:19
>>>>>> xend] ERROR (__init__:988) [network-bridge] + brctl addbr
>>>>>> xen-br0 [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + brctl stp xen-br0 off [2005-08-16 23:14:19
>>>>>> xend] ERROR (__init__:988) [network-bridge] + brctl setfd
>>>>>> xen-br0 0 [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + ifconfig xen-br0 up [2005-08-16 23:14:19
>>>>>> xend] ERROR (__init__:988) [network-bridge] + ifconfig
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + grep -q veth0 [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + ifconfig veth0 [2005-08-16 23:14:19 xend]
>>>>>> ERROR (__init__:988) [network-bridge] + grep -q veth0
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> ++ ifconfig eth0 [2005-08-16 23:14:19 xend] ERROR (__init__:988)
>>>>>> [network-bridge] ++ grep HWadd [2005-08-16 23:14:19 xend] ERROR
>>>>>> (__init__:988) [network-bridge] ++ sed -e
>>>>>> 's/.*\(..:..:..:..:..:..\).*/\1/' [2005-08-16 23:14:19 xend]
>>>>>> ERROR (__init__:988) [network-bridge] + mac=00:0C:F1:FE:4C:5B
>>>>>> [2005-08-16 23:14:19 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + ifdown eth0 [2005-08-16 23:14:20 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + ip link set eth0 name peth0 [2005-08-16
>>>>>> 23:14:20 xend] ERROR (__init__:988) [network-bridge] + ip link
>>>>>> set veth0 name eth0 [2005-08-16 23:14:20 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + ifconfig peth0 -arp down
>>>>>> [2005-08-16 23:14:20 xend] ERROR (__init__:988) [network-bridge]
>>>>>> + ifconfig peth0 hw ether fe:ff:ff:ff:ff:ff [2005-08-16 23:14:20
>>>>>> xend] ERROR (__init__:988) [network-bridge] + ifconfig eth0 hw
>>>>>> ether 00:0C:F1:FE:4C:5B [2005-08-16 23:14:20 xend] ERROR
>>>>>> (__init__:988) [network-bridge] + del_addrs peth0 [2005-08-16
>>>>>> 23:14:20 xend] ERROR (__init__:988) [network-bridge] + local
>>>>>> src=peth0 [2005-08-16 23:14:20 xend] ERROR (__init__:988)
>>>>>> [network-bridge] + ip addr show dev peth0 [2005-08-16 23:14:20
>>>>>> xend] ERROR (__init__:988) [network-bridge] + egrep '^ *inet '
>>>>>>
>>>>>> Best Rgds
>>>>>> Edwin
>>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
>> --
>> Regards,
>>
>> David F Barrera
>> Linux Technology Center
>> Systems and Technology Group, IBM
>>
>> "The wisest men follow their own direction. "
>> Euripides
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- Re: [Xen-devel] RE: new /etc/xen/network script, (continued)
RE: [Xen-devel] RE: new /etc/xen/network script, Ian Pratt
RE: [Xen-devel] RE: new /etc/xen/network script, Ian Pratt
RE: [Xen-devel] RE: new /etc/xen/network script, Ian Pratt
RE: [Xen-devel] RE: new /etc/xen/network script,
Zhai, Edwin <=
RE: [Xen-devel] RE: new /etc/xen/network script, Ian Pratt
RE: [Xen-devel] RE: new /etc/xen/network script, Zhai, Edwin
RE: [Xen-devel] RE: new /etc/xen/network script, Zhai, Edwin
RE: [Xen-devel] RE: new /etc/xen/network script, Ian Pratt
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