Re: [load balancing] duplicate mac alteon

From: Ken Thurman <thudinga@yahoo.com>
Date: Wed Jan 25 2006 - 15:11:27 EST

Are there services up on the second vip? You won't be
able to ping it if there is no services up.

Ken

--- Zafer Berber <zafer@prolink.com.tr> wrote:

> hello
> vrid assign solved duplicate mac address and vlan
> information problem
> now i see diffirent mac address and vlan information
> but i can ping first vip address but i cant second
> vip
>
> thanks
>
> Zafer
> ├‡ar┼Ÿamba 25 Ocak 2006 00:12 tarihinde, Ken Thurman
> ┼Ÿunlar─▒ yazm─▒┼Ÿt─▒:
> > Marcel's reply hit it on the head, your new vips
> don't
> > have a VRRP mac address which should
> 00:0c:5e:00:01:xx
> > where xx is the VRID which should be unique per
> vlan.
> > You have to configure a vr for them simular to the
> vr
> > for the .100 address once you do that and sync the
> > configuration to the standby switch it should
> work,
> > what is happening now may be that both switches
> are
> > responding to the arp requests which will cause
> > intermittent connectivity.
> >
> > Ken
> >
> > --- zafer berber <zafer@prolink.com.tr> wrote:
> > > Hi Ken,
> > > we have working configuration containing vrrp,
> vlan,
> > > vip ...
> > > now i add new 2 vip address entry, i can ping
> > > first vip from server and
> > > cisco switch but i cant ping this vip address
> from
> > > alteon and i cant ping
> > > second vip from anywhere.
> > >
> > > i checked tsdump and i saw duplicate mac address
> for
> > > 2 new vip address and
> > > it didnt see vlan information
> > > and tried third vip address and same problem
> again
> > > trible mac etc...
> > >
> > > i know alteon has 256 vip and 256 group limit
> our
> > > configuration has 25-30
> > > vip and group
> > >
> > > On 1/24/06, Ken Thurman <thudinga@yahoo.com>
> wrote:
> > > > If I read this right you just cannot ping the
> vip
> > >
> > > from
> > >
> > > > the Alteon switch but the vip is up and
> pingable
> > >
> > > from
> > >
> > > > the outside. Does the switch have an interface
> > > > configured in same network as the vip? It
> doesn't
> > >
> > > have
> > >
> > > > to have one but you might see this symptom if
> it
> > > > doesn't.
> > > > Also unless you are running vrrp and have a VR
> > > > configured for the VIP's all the VIP's will
> have
> > >
> > > the
> > >
> > > > same mac address. Also all the interfaces will
> > >
> > > have
> > >
> > > > the same mac address, but different from the
> VIP
> > > > mac's.
> > > >
> > > > So if you can access the vip as a client, I
> would
> > >
> > > not
> > >
> > > > worry.
> > > >
> > > > Ken
> > > >
> > > > --- Joni Jachniuk <jonij@taldor.co.il> wrote:
> > > > > I have 2 ideas :
> > > > >
> > > > > 1. try enabling /c/slb/adv/submac ena
> > > > > 2. look if you configured /c/slb/port/client
> e
> > >
> > > on
> > >
> > > > > the corrects ports.
> > > > >
> > > > > Regards.
> > > > >
> > > > >
> > > > > -----Original Message-----
> > > > > From: owner-lb-l@vegan.net
> > > > > [mailto:owner-lb-l@vegan.net] On Behalf Of
> > > > > Jens Brey
> > > > > Sent: Tuesday, January 24, 2006 2:27 PM
> > > > > To: lb-l@vegan.net
> > > > > Subject: Re: [load balancing] duplicate mac
> > >
> > > alteon
> > >
> > > > > Hi,
> > > > >
> > > > > which software version runs in the alteon?
> > > > > Can you post the configuration?
> > > > >
> > > > > hf, Jens
> > > > >
> > > > >
> > > > > Am Dienstag, den 24.01.2006, 14:02 +0200
> schrieb
> > > > >
> > > > > Zafer Berber:
> > > > > > Hello,
> > > > > >
> > > > > > we use Alteon Ad3 switch ;
> > > > > > i created new 2 vip address and have
> problem
> > > > >
> > > > > communications to vip
> > > > >
> > > > > > i can ping from server and from cisco
> switch
> > >
> > > to
> > >
> > > > > vip but dont ping
> > > > > alteon to
> > > > >
> > > > > > vip address and i cannot ping another vip
> > >
> > > address
> > >
> > > > > have problem new
> > > > > entry
> > > > >
> > > > > > i saw duplicate mac address on arp cache
> table
> > >
> > > and
> > >
> > > > > dont see the vlan
> > > > >
> > > > > > information
> > > > > >
> > > > > > can u help me somebody
> > > > > > thanks
> > > > >
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Received on Wed Jan 25 19:52:40 2006

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