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xen-users
RE: [Xen-users] network connectivity problem
James Harper wrote:
>
>>
>> [root@hadoop1 hadoop-0.18.3]# ssh xentry21 "rm -rf /opt/tmp/*"
>> ssh: connect to host xentry21 port 22: No route to host
>> [root@hadoop1 hadoop-0.18.3]# ssh xentry21 "rm -rf /opt/tmp/*"
>> ssh: connect to host xentry21 port 22: No route to host
>> [root@hadoop1 hadoop-0.18.3]# ssh xentry21 "rm -rf /opt/tmp/*"
>> [root@hadoop1 hadoop-0.18.3]# bin/hadoop namenode -format
>>
>>
>> first when i tried to ssh xentry21 it shows 'no route to host'.When i
> try
>> this two more time it works.Why this happens?.I have 3 physcical
> machines
>> and 2 virtual machines in each.And this happens randomly in any of the
>> virtual machines.
>
> That's the sort of behaviour I would expect if you had duplicate MAC
> addresses or other ARP related problems. Does a ping also give you
> similar behaviour?
>
> When you do 'brctl showmacs <name of bridge device>' do the MAC
> addresses match against the number of the port as listed by 'brctl
> show'? (I think port numbers are 1 based).
>
> James
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
>
Yes, the ping also gives the same behavior.
[root@hadoop1 Documents]# brctl show macs xenbr0
bridge name bridge id STP enabled interfaces
eth0 8000.001ec9cf964d no peth0
vif1.0
virbr0 8000.000000000000 no
[root@hadoop1 Documents]# brctl show
bridge name bridge id STP enabled interfaces
eth0 8000.001ec9cf964d no peth0
vif1.0
virbr0 8000.000000000000 no
--
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http://www.nabble.com/network-connectivity-problem-tp24387855p24388828.html
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