Re: [Ipmitool-devel] Error: Unable to establish LAN session

[venkata k. <ven...@gm...>]

Dmitry,

     Thanks for the explanation. In our case we use Sun's v20z boxes which
has the service processors out side the actual hardware and the processor,
we have separate network card for the service processor. Will this case you
mentioned applies here also?

Thanks,
Kishore

On 3/5/07, Dmitry Frolov <fr...@ri...> wrote:
>
> * venkata kishore <ven...@gm...> [05.03.2007 12:59]:
>
> > Hi Dmitry,
> >
> >   Thanks a lot for the reply. My case falls into the first case where I
> am
> > trying to connect to the local machine's BMC with Out-of-band IPMI
> > interface. Is this not allowed?
>
> For out-of-band interface packets sent to the BMC (UDP port 623) are
> intercepted on entrance by the network card and routed to the BMC
> in hardware. They didn't reach operating system. So for out-of-band
> communication to work You need to send packets from _outside_ of the
> machine.
>
> Try to use in-band interface, e.g "ipmitool -I open".
>
> >
> > Thanks,
> > Kishore
> >
> > On 3/2/07, Dmitry Frolov <fr...@ri...> wrote:
> > >
> > >* venkata kishore <ven...@gm...> [02.03.2007 11:51]:
> > >
> > >> >> Hi,
> > >> >>
> > >> >>    I am using ipmitool version 1.8.8. I am getting the following
> > >error
> > >> >> message when I am trying to execute the command "ipmitool -l lan
> -H
> > ><IP>
> > >> >-P
> > >> >> password chassis power status"
> > >> >>
> > >> >> Error: Unable to establish LAN session
> > >> >> ipmi_lan_send_cmd failed to open intf
> > >> >> Unable to get Chassis Power Status
> > >> >>
> > >> >>   Here is the output of the strace
> > >> >>
> > >[...]
> > >> >> recvfrom(3, 0x60f9e1, 1024, 0, 0, 0)    = -1 ECONNREFUSED
> (Connection
> > >
> > >ECONNREFUSED means ICMP unreachable was received from target system.
> > >
> > >Most probable reasons are:
> > >
> > >1. You are trying to communicate with the local machine's BMC trough
> > >out-of-band (lan) IPMI interface. This will not work by design.
> > >
> > >2. You did not configured out-of-band communication on the target
> > >machine's BMC. You will need to do this using in-band interface (e.g
> > >ipmitool -I open).
> > >
> > >3. Firewall between source and target prevents communications.
> > >
> > >    wbr&w, dmitry.
> > >--
> > >Dmitry Frolov <fr...@ri...>
> > >RISS-Telecom Network, Novosibirsk, Russia
> > >66415911@ICQ, +7 383 2278800, DVF-RIPE
> > >
>
> >
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>
>     wbr&w, dmitry.
> --
> Dmitry Frolov <fr...@ri...>
> RISS-Telecom Network, Novosibirsk, Russia
> 66415911@ICQ, +7 383 2278800, DVF-RIPE
>