[ale] ARP and KVM

Jim Kinney jim.kinney at gmail.com
Mon May 4 17:15:13 EDT 2015


On Mon, 2015-05-04 at 17:07 -0400, Chuck Payne wrote:
> Jim, 
> 
> 
> Thanks, that start to look at. I have read about 10 site on bridge
> control. Almost as fun as reading a IRS taxes codes. 

Ha! The cure for insomnia is the HIPAA regulations!
> 
> 
> 
> 
> 
> On Mon, May 4, 2015 at 4:57 PM, Jim Kinney <jkinney at jimkinney.us>
> wrote:
>         Sounds like the bridge is being squirrelly. It _SHOULD_ be
>         keeping track
>         of the MACs it's assigned but it sound like it's reusing them.
>         Check
>         bridge config for MAC table size and make it larger.
>         
>         On Mon, 2015-05-04 at 16:53 -0400, Chuck Payne wrote:
>         > Jim,
>         >
>         >
>         > They do have assign mac address, in face mac address changes
>         in the
>         > config files, then virt does come up.
>         >
>         >
>         > I am thinking it the bridge.
>         >
>         > On Mon, May 4, 2015 at 4:15 PM, Jim Kinney
>         <jkinney at jimkinney.us>
>         > wrote:
>         >         Can you set the vm to use a specified mac? Look at
>         the conf
>         >         file for the vm for a line
>         >
>         >         Vlan0: rtl8139=
>         >
>         >         and put your fixed mac in the line after the =.
>         >
>         >         Also use a 2,6,A, or E as the second number in the
>         address to
>         >         indicate a locally administered mac. So
>         >
>         >         x2:xx:xx:xx:xx:xx
>         >
>         >         On May 4, 2015 4:08:26 PM EDT, Chuck Payne
>         >         <terrorpup at gmail.com> wrote:
>         >                 Guys,
>         >
>         >
>         >                 Need help. I am running KVM (QEMU)/Xen  and
>         we have
>         >                 two NAS Servers (FreeNAS). The NAS server
>         kept
>         >                 reporting in dmesg, that Server A moved mac
>         address to
>         >                 mac address for  the same ip.
>         >
>         >
>         >                 arp: 10.0.0.133 moved from 1a:be:ae:2d:d9:6d
>         to
>         >                 be:b3:a8:f4:1a:8e on igb0
>         >                 arp: 10.0.0.133 moved from be:b3:a8:f4:1a:8e
>         to
>         >                 1a:be:ae:2d:d9:6d on igb0
>         >
>         >                 Now what strange is those mac address are
>         for two
>         >                 different nic on the guest server, two
>         different
>         >                 address
>         >
>         >
>         >                 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP>
>         mtu 1500
>         >                 qdisc pfifo_fast qlen 1000
>         >                     link/ether be:b3:a8:f4:1a:8e brd
>         ff:ff:ff:ff:ff:ff
>         >                     inet 10.0.0.27/16 brd 10.0.255.255 scope
>         global
>         >                 eth0
>         >                     inet 10.0.0.133/24 brd 10.0.0.255 scope
>         global
>         >                 eth0:1
>         >                 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP >
>         mtu 1500
>         >                 qdisc pfifo_fast qlen 1000
>         >                     link/ether 1a:be:ae:2d:d9:6d brd
>         ff:ff:ff:ff:ff:ff
>         >                     inet 10.2.0.27/24 brd 10.2.0.255 scope
>         global eth1
>         >
>         >
>         >                 I know know that Virtual server has issues
>         with ICMP,
>         >                 but why is this happening. Is there anything
>         I can
>         >                 check or config to stop this.
>         >
>         >
>         >                 Thanks in advice for any help.
>         >
>         >
>         >
>         >                 --
>         >                 Terror PUP a.k.a
>         >                 Chuck "PUP" Payne
>         >
>         >                 678 636 9678
>         >                 -----------------------------------------
>         >                 Discover it! Enjoy it! Share it! openSUSE
>         Linux.
>         >                 -----------------------------------------
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>         >
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>         or create
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>         try.
>         >
>         >
>         >
>         
>         >
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> 
> 
> 
> 
> -- 
> Terror PUP a.k.a
> Chuck "PUP" Payne
>  
> 678 636 9678
> -----------------------------------------
> Discover it! Enjoy it! Share it! openSUSE Linux.
> -----------------------------------------
> openSUSE -- Terrorpup
> openSUSE Ambassador/openSUSE Member
> skype,twiiter,identica,friendfeed -- terrorpup
> freenode(irc) --terrorpup/lupinstein
> Register Linux Userid: 155363
>  
> Have you tried SUSE Studio? Need to create a Live CD,  an app you want
> to package and distribute , or create your own linux distro. Give SUSE
> Studio a try.
> 
> 
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-- 
James P. Kinney III

Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain

http://heretothereideas.blogspot.com/



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