I'm lost.
Let me formulate what I understand:
ipmitool is a tool to connect to any (most?) baseboard management
controller, to get/set system settings.
ipmitool with default settings connects on port 623/UDP
This was the easiest part :D And to this point all is going well WITH or
without PNAT (I can use "chassis" commands etc)
now SOL. Something different is happening when ipmitool ask a SOL
session. (thru lanplus interface)
Do I have to understand that ipmitool "sol" arg simply doesn't take the
given command line "-p <port>" arg into account ?
I tried to read IPMI specification but I have to say this is a little
complex to eat it like this, at least for me :)
If someone can briefly explain me what's happen when asking a SOL
session thru IPMI (what is "this" trying to connect to "that", on which
(random) port)
Maybe I could find a workaround then (other than SOLProxy ^^ ) to get to
my BMC interface / console redirection from the internet
Thanks again !!
-
Le 30/12/2011 16:41, Al Chu a écrit :
> I think this is what Hank is talking about. SOL connects at port 623,
> but it may communicate over a different port later in the session.
>
> However, ipmitool doesn't support communication over any port other than
> 623. So if SOL works for you w/o port forwarding, then this isn't your
> issue.
>
> Al
>
> On Fri, 2011-12-30 at 04:27 -0800, Martin Hamant wrote:
>> Hi Hank,
>>
>> Thanks for you reply, but I'm still not sure we speak about the same
>> thing :/
>>
>> I also have discovered in ipmi_sol.c / ipmitool :
>>
>> (...)
>> /* NOTE: the spec does allow for SOL traffic to be sent on
>> * a different port. we do not yet support that feature. */
>> if (intf->session->sol_data.port != intf->session->port)
>> {
>> /* try byteswapping port in case BMC sent it incorrectly */
>> uint16_t portswap = BSWAP_16(intf->session->sol_data.port);
>>
>> if (portswap == intf->session->port) {
>> intf->session->sol_data.port = portswap;
>> }
>> else {
>> lprintf(LOG_ERR, "Error: BMC requests SOL session on
>> different port");
>> return -1;
>> }
>> }
>> (...)
>>
>> the comment seems to explains why I get this message...
>>
>> Le 30/12/2011 13:12, Hank Bruning a écrit :
>>> The RMCP server can use any UDP port it wants to for a SOL session.
>>> Some implementations use port 623. If you have more than two SOL
>>> sessions open on a single RMCP server at least one will be on a port
>>> other than 623. Each of the SOL sessions may be encrypted
>>> differently using separate cipher suites(or none at all).
>>> Hank
>>> JBlade
>>>
>>> On Fri, Dec 30, 2011 at 6:34 AM, Martin Hamant<[email protected]>
>>> wrote:
>>> Hi !!!
>>>
>>> I have a BMC configured with a local IP adress (192.168.X.X)
>>> listening
>>> on default port (623).
>>>
>>> I want to access it from the outside world. For that I have
>>> set a port
>>> forwarding rules on the router to the port 623 of this local
>>> IP.
>>>
>>> every ipmitool commands works well BUT not SOL.
>>>
>>> # ipmitool -I lanplus -p (external_port) -U (...) -P (...)
>>> -H (external
>>> IP) sol activate
>>>
>>> I get the message: "Error: BMC requests SOL session on
>>> different port"
>>>
>>> I'm not sure to understand exactly what it means ? What I
>>> need to do to
>>> make this work ?
>>>
>>> Thanks !!
>>>
>>>
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