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ActiveSync 4.0 passthru interface selection mada 02-27-2006
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Posted by mada on February 27, 2006, 1:12 pm
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Hi all, a question on ActiveSync 4.0 passthru over a usb connection which,
as far as I understand, uses the RNDIS protocol, between a WinXP machine and
a WM5.0 device.

On the mobile device, the RNDIS Host settings are (manually specified):
IP address: 169.254.2.1
Subnet mask: 255.255.0.0
Default gateway: 169.254.2.2
There is also a (mysterious) setting announcing that "My network card
connects to: The Internet" (someone please oh please explain to me what
these mean).

On the WinXP machine, there are two network connections:

1) "Local Area Network"
Settings (manually specified settings for my home lan):
- IP address: 10.0.0.4
- Subnet mask: 255.255.255.0
- Default gateway: 10.0.0.111 (my DSL router on my home lan)

2) "Local Area Network 5"
Settings (this is the DHCP-enabled ActiveSync connection over the RNDIS
protocol):
- IP address: 169.254.2.2
- Subnet mask: 255.255.255.0
- Default gateway: not set

With these settings, of which I had to manually set nothing related to the
ActiveSync stuff neither on the Win XP machine nor on the WM5.0 device, I
can connect to the Internet through Internet Explorer on the WM5.0 device. I
understand that this is achieved thanks to ActiveSync passthru, which uses
the "Local Area Network" interface which can "see" the DSL router to route
packets to and from the "Local Area Network 5" interface, which can "see"
the WM5.0 device.

My question is simple: On what basis does ActiveSync choose which interface
to use for RNDIS passthru? There are other interfaces on the Win XP machine,
such as a dialup interface that is TCP-IP enabled, also I could have more
than one network card installed, so why does ActiveSync choose the interface
it does?

Thanks to all for any time you spend reading my post



Posted by Chris De Herrera on February 27, 2006, 11:14 pm
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Hi,
The network is referring to the network connections built into the device -
not ActiveSync.

You can set ActiveSync to allow the Pocket PC to connect to the internet by
clicking on File - Connection Settings and make sure that This Computer
Connects To has The Internet selected.


--
Chris De Herrera
http://www.pocketpcfaq.com
http://www.tabletpctalk.com
http://www.pocketpctalk.com
http://www.mobilitytalk.com

ActiveSync 4.x Troubleshooting Guide -
http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm

> Hi all, a question on ActiveSync 4.0 passthru over a usb connection which,
> as far as I understand, uses the RNDIS protocol, between a WinXP machine
> and a WM5.0 device.
>
> On the mobile device, the RNDIS Host settings are (manually specified):
> IP address: 169.254.2.1
> Subnet mask: 255.255.0.0
> Default gateway: 169.254.2.2
> There is also a (mysterious) setting announcing that "My network card
> connects to: The Internet" (someone please oh please explain to me what
> these mean).
>
> On the WinXP machine, there are two network connections:
>
> 1) "Local Area Network"
> Settings (manually specified settings for my home lan):
> - IP address: 10.0.0.4
> - Subnet mask: 255.255.255.0
> - Default gateway: 10.0.0.111 (my DSL router on my home lan)
>
> 2) "Local Area Network 5"
> Settings (this is the DHCP-enabled ActiveSync connection over the RNDIS
> protocol):
> - IP address: 169.254.2.2
> - Subnet mask: 255.255.255.0
> - Default gateway: not set
>
> With these settings, of which I had to manually set nothing related to the
> ActiveSync stuff neither on the Win XP machine nor on the WM5.0 device, I
> can connect to the Internet through Internet Explorer on the WM5.0 device.
> I understand that this is achieved thanks to ActiveSync passthru, which
> uses the "Local Area Network" interface which can "see" the DSL router to
> route packets to and from the "Local Area Network 5" interface, which can
> "see" the WM5.0 device.
>
> My question is simple: On what basis does ActiveSync choose which
> interface to use for RNDIS passthru? There are other interfaces on the Win
> XP machine, such as a dialup interface that is TCP-IP enabled, also I
> could have more than one network card installed, so why does ActiveSync
> choose the interface it does?
>
> Thanks to all for any time you spend reading my post
>
>



Posted by mada on February 28, 2006, 11:06 pm
Please log in for more thread options
Hello

> The network is referring to the network connections built into the
> device - not ActiveSync.

I understand this, however I was wondering what is the (exact) difference
between "Work" and "The Internet". From some experimentation, I've been able
to find out that when the network is set to connect to "The Internet" it is
able to resolve addresses that do not only belong to the 169.254.x.x range
but, still, I may be wrong on this. In any case, I am really curious as to
what exactly is the difference between these two settings.

> You can set ActiveSync to allow the Pocket PC to connect to the internet
> by clicking on File - Connection Settings and make sure that This Computer
> Connects To has The Internet selected.

Again, I can understand this, from a functional point of view, however I
would like to be able to understand from a technical point of view, too. I
am a computer professional for about 15 years and, still, I find it hard to
understand settings as ambiguous as "Work" and "The Internet" :)

Thank you for yout reply, Chris

mada

> --
> Chris De Herrera
> http://www.pocketpcfaq.com
> http://www.tabletpctalk.com
> http://www.pocketpctalk.com
> http://www.mobilitytalk.com
>
> ActiveSync 4.x Troubleshooting Guide -
> http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm
>
>> Hi all, a question on ActiveSync 4.0 passthru over a usb connection
>> which, as far as I understand, uses the RNDIS protocol, between a WinXP
>> machine and a WM5.0 device.
>>
>> On the mobile device, the RNDIS Host settings are (manually specified):
>> IP address: 169.254.2.1
>> Subnet mask: 255.255.0.0
>> Default gateway: 169.254.2.2
>> There is also a (mysterious) setting announcing that "My network card
>> connects to: The Internet" (someone please oh please explain to me what
>> these mean).
>>
>> On the WinXP machine, there are two network connections:
>>
>> 1) "Local Area Network"
>> Settings (manually specified settings for my home lan):
>> - IP address: 10.0.0.4
>> - Subnet mask: 255.255.255.0
>> - Default gateway: 10.0.0.111 (my DSL router on my home lan)
>>
>> 2) "Local Area Network 5"
>> Settings (this is the DHCP-enabled ActiveSync connection over the RNDIS
>> protocol):
>> - IP address: 169.254.2.2
>> - Subnet mask: 255.255.255.0
>> - Default gateway: not set
>>
>> With these settings, of which I had to manually set nothing related to
>> the ActiveSync stuff neither on the Win XP machine nor on the WM5.0
>> device, I can connect to the Internet through Internet Explorer on the
>> WM5.0 device. I understand that this is achieved thanks to ActiveSync
>> passthru, which uses the "Local Area Network" interface which can "see"
>> the DSL router to route packets to and from the "Local Area Network 5"
>> interface, which can "see" the WM5.0 device.
>>
>> My question is simple: On what basis does ActiveSync choose which
>> interface to use for RNDIS passthru? There are other interfaces on the
>> Win XP machine, such as a dialup interface that is TCP-IP enabled, also I
>> could have more than one network card installed, so why does ActiveSync
>> choose the interface it does?
>>
>> Thanks to all for any time you spend reading my post
>>
>>
>
>



Posted by Chris De Herrera on February 28, 2006, 11:33 pm
Please log in for more thread options
Hi,
The difference is how the Pocket PC accesses hosts. Work hosts do not have
periods in the name while the internet hosts do.


--
Chris De Herrera
http://www.pocketpcfaq.com
http://www.tabletpctalk.com
http://www.pocketpctalk.com
http://www.mobilitytalk.com

ActiveSync 4.x Troubleshooting Guide -
http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm

> Hello
>
>> The network is referring to the network connections built into the
>> device - not ActiveSync.
>
> I understand this, however I was wondering what is the (exact) difference
> between "Work" and "The Internet". From some experimentation, I've been
> able to find out that when the network is set to connect to "The Internet"
> it is able to resolve addresses that do not only belong to the 169.254.x.x
> range but, still, I may be wrong on this. In any case, I am really curious
> as to what exactly is the difference between these two settings.
>
>> You can set ActiveSync to allow the Pocket PC to connect to the internet
>> by clicking on File - Connection Settings and make sure that This
>> Computer Connects To has The Internet selected.
>
> Again, I can understand this, from a functional point of view, however I
> would like to be able to understand from a technical point of view, too. I
> am a computer professional for about 15 years and, still, I find it hard
> to understand settings as ambiguous as "Work" and "The Internet" :)
>
> Thank you for yout reply, Chris
>
> mada
>
>> --
>> Chris De Herrera
>> http://www.pocketpcfaq.com
>> http://www.tabletpctalk.com
>> http://www.pocketpctalk.com
>> http://www.mobilitytalk.com
>>
>> ActiveSync 4.x Troubleshooting Guide -
>> http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm
>>
>>> Hi all, a question on ActiveSync 4.0 passthru over a usb connection
>>> which, as far as I understand, uses the RNDIS protocol, between a WinXP
>>> machine and a WM5.0 device.
>>>
>>> On the mobile device, the RNDIS Host settings are (manually specified):
>>> IP address: 169.254.2.1
>>> Subnet mask: 255.255.0.0
>>> Default gateway: 169.254.2.2
>>> There is also a (mysterious) setting announcing that "My network card
>>> connects to: The Internet" (someone please oh please explain to me what
>>> these mean).
>>>
>>> On the WinXP machine, there are two network connections:
>>>
>>> 1) "Local Area Network"
>>> Settings (manually specified settings for my home lan):
>>> - IP address: 10.0.0.4
>>> - Subnet mask: 255.255.255.0
>>> - Default gateway: 10.0.0.111 (my DSL router on my home lan)
>>>
>>> 2) "Local Area Network 5"
>>> Settings (this is the DHCP-enabled ActiveSync connection over the RNDIS
>>> protocol):
>>> - IP address: 169.254.2.2
>>> - Subnet mask: 255.255.255.0
>>> - Default gateway: not set
>>>
>>> With these settings, of which I had to manually set nothing related to
>>> the ActiveSync stuff neither on the Win XP machine nor on the WM5.0
>>> device, I can connect to the Internet through Internet Explorer on the
>>> WM5.0 device. I understand that this is achieved thanks to ActiveSync
>>> passthru, which uses the "Local Area Network" interface which can "see"
>>> the DSL router to route packets to and from the "Local Area Network 5"
>>> interface, which can "see" the WM5.0 device.
>>>
>>> My question is simple: On what basis does ActiveSync choose which
>>> interface to use for RNDIS passthru? There are other interfaces on the
>>> Win XP machine, such as a dialup interface that is TCP-IP enabled, also
>>> I could have more than one network card installed, so why does
>>> ActiveSync choose the interface it does?
>>>
>>> Thanks to all for any time you spend reading my post
>>>
>>>
>>
>>
>
>



Posted by mada on March 1, 2006, 3:52 am
Please log in for more thread options
Right, it makes sense now :)

Thanks

mada

> Hi,
> The difference is how the Pocket PC accesses hosts. Work hosts do not have
> periods in the name while the internet hosts do.
>
>
> --
> Chris De Herrera
> http://www.pocketpcfaq.com
> http://www.tabletpctalk.com
> http://www.pocketpctalk.com
> http://www.mobilitytalk.com
>
> ActiveSync 4.x Troubleshooting Guide -
> http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm
>
>> Hello
>>
>>> The network is referring to the network connections built into the
>>> device - not ActiveSync.
>>
>> I understand this, however I was wondering what is the (exact) difference
>> between "Work" and "The Internet". From some experimentation, I've been
>> able to find out that when the network is set to connect to "The
>> Internet" it is able to resolve addresses that do not only belong to the
>> 169.254.x.x range but, still, I may be wrong on this. In any case, I am
>> really curious as to what exactly is the difference between these two
>> settings.
>>
>>> You can set ActiveSync to allow the Pocket PC to connect to the internet
>>> by clicking on File - Connection Settings and make sure that This
>>> Computer Connects To has The Internet selected.
>>
>> Again, I can understand this, from a functional point of view, however I
>> would like to be able to understand from a technical point of view, too.
>> I am a computer professional for about 15 years and, still, I find it
>> hard to understand settings as ambiguous as "Work" and "The Internet" :)
>>
>> Thank you for yout reply, Chris
>>
>> mada
>>
>>> --
>>> Chris De Herrera
>>> http://www.pocketpcfaq.com
>>> http://www.tabletpctalk.com
>>> http://www.pocketpctalk.com
>>> http://www.mobilitytalk.com
>>>
>>> ActiveSync 4.x Troubleshooting Guide -
>>> http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm
>>>
>>>> Hi all, a question on ActiveSync 4.0 passthru over a usb connection
>>>> which, as far as I understand, uses the RNDIS protocol, between a WinXP
>>>> machine and a WM5.0 device.
>>>>
>>>> On the mobile device, the RNDIS Host settings are (manually specified):
>>>> IP address: 169.254.2.1
>>>> Subnet mask: 255.255.0.0
>>>> Default gateway: 169.254.2.2
>>>> There is also a (mysterious) setting announcing that "My network card
>>>> connects to: The Internet" (someone please oh please explain to me what
>>>> these mean).
>>>>
>>>> On the WinXP machine, there are two network connections:
>>>>
>>>> 1) "Local Area Network"
>>>> Settings (manually specified settings for my home lan):
>>>> - IP address: 10.0.0.4
>>>> - Subnet mask: 255.255.255.0
>>>> - Default gateway: 10.0.0.111 (my DSL router on my home lan)
>>>>
>>>> 2) "Local Area Network 5"
>>>> Settings (this is the DHCP-enabled ActiveSync connection over the RNDIS
>>>> protocol):
>>>> - IP address: 169.254.2.2
>>>> - Subnet mask: 255.255.255.0
>>>> - Default gateway: not set
>>>>
>>>> With these settings, of which I had to manually set nothing related to
>>>> the ActiveSync stuff neither on the Win XP machine nor on the WM5.0
>>>> device, I can connect to the Internet through Internet Explorer on the
>>>> WM5.0 device. I understand that this is achieved thanks to ActiveSync
>>>> passthru, which uses the "Local Area Network" interface which can "see"
>>>> the DSL router to route packets to and from the "Local Area Network 5"
>>>> interface, which can "see" the WM5.0 device.
>>>>
>>>> My question is simple: On what basis does ActiveSync choose which
>>>> interface to use for RNDIS passthru? There are other interfaces on the
>>>> Win XP machine, such as a dialup interface that is TCP-IP enabled, also
>>>> I could have more than one network card installed, so why does
>>>> ActiveSync choose the interface it does?
>>>>
>>>> Thanks to all for any time you spend reading my post
>>>>
>>>>
>>>
>>>
>>
>>
>
>



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