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Wireless Networking - Combine WLAN and ICS

 
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Old 12-29-2005, 11:11 AM   #1
Default Combine WLAN and ICS


I have a WLAN with a router and 5 computers. Now I want to connect a laptop
to one of the WLAN desktops with a cable, because I don't have a WLAN card on
the laptop. I have a free LAN card on the desktop, and the laptop as well.
So, is it possible to set up the desktop as an XP ICS host even though it is
a WLAN client itself? Will I be able to reach Internet from the laptop?


=?Utf-8?B?QXhicmluaw==?=
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Old 12-29-2005, 03:19 PM   #2
Doug Sherman [MVP]
 
Posts: n/a
Default Re: Combine WLAN and ICS
Yes - use a cross over cable if you do not have a switch or hub. Be aware
that sometimes a double NAT configuration (ICS + router) does not work well
or at all. However, the configuration is theoretically sound and usually it
works fine.

Doug Sherman
MCSE, MCSA, MCP+I, MVP

"Axbrink" <> wrote in message
news:287F4D8E-27AA-476A-8012-...
> I have a WLAN with a router and 5 computers. Now I want to connect a

laptop
> to one of the WLAN desktops with a cable, because I don't have a WLAN card

on
> the laptop. I have a free LAN card on the desktop, and the laptop as well.
> So, is it possible to set up the desktop as an XP ICS host even though it

is
> a WLAN client itself? Will I be able to reach Internet from the laptop?





Doug Sherman [MVP]
  Reply With Quote
Old 12-30-2005, 08:17 AM   #3
=?Utf-8?B?QXhicmluaw==?=
 
Posts: n/a
Default Re: Combine WLAN and ICS
Thanks for the advice, I'm afraid I wasn't clear. I have the cross over cable
connected alright, the question is the setup.
The wireless router runs DHCP, can't change that. I did some further
searching and it seems to me that setting up XP ICS may be tricky in this
case because the router is 192.168.2.1 and the ICS will want to be
192.168.0.1?

Could bridging be a way? If so, how do I set up the two different NIC's?
When using the XP networking wizard, it acts as if there is only one adapter,
hence only lets me set up one network? How can I set them up separately?
Should the wired computer address be static or dynamic and so on? Can't find
a tech doc describing this.

Both computers are running XP Pro


"Doug Sherman [MVP]" wrote:

> Yes - use a cross over cable if you do not have a switch or hub. Be aware
> that sometimes a double NAT configuration (ICS + router) does not work well
> or at all. However, the configuration is theoretically sound and usually it
> works fine.
>
> Doug Sherman
> MCSE, MCSA, MCP+I, MVP
>
> "Axbrink" <> wrote in message
> news:287F4D8E-27AA-476A-8012-...
> > I have a WLAN with a router and 5 computers. Now I want to connect a

> laptop
> > to one of the WLAN desktops with a cable, because I don't have a WLAN card

> on
> > the laptop. I have a free LAN card on the desktop, and the laptop as well.
> > So, is it possible to set up the desktop as an XP ICS host even though it

> is
> > a WLAN client itself? Will I be able to reach Internet from the laptop?

>
>
>



=?Utf-8?B?QXhicmluaw==?=
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Old 12-30-2005, 06:49 PM   #4
Doug Sherman [MVP]
 
Posts: n/a
Default Re: Combine WLAN and ICS
You want to enable ICS on the XP's local area connection for the wireless
adapter. This will cause the LAN NIC to be 192.168.0.1 (provided it is set
to obtain an address automatically), and the the laptop will also acquire a
192.168.0.x address. DHCP on the router is not an issue as long as the
subnet is not 192.168.0.x; and bridging will not be useful in this scenario.

Doug Sherman
MCSE, MCSA, MCP+I, MVP

"Axbrink" <> wrote in message
news:8020CB4E-FA62-4DEF-83CF-...
> Thanks for the advice, I'm afraid I wasn't clear. I have the cross over

cable
> connected alright, the question is the setup.
> The wireless router runs DHCP, can't change that. I did some further
> searching and it seems to me that setting up XP ICS may be tricky in this
> case because the router is 192.168.2.1 and the ICS will want to be
> 192.168.0.1?
>
> Could bridging be a way? If so, how do I set up the two different NIC's?
> When using the XP networking wizard, it acts as if there is only one

adapter,
> hence only lets me set up one network? How can I set them up separately?
> Should the wired computer address be static or dynamic and so on? Can't

find
> a tech doc describing this.
>
> Both computers are running XP Pro
>
>
> "Doug Sherman [MVP]" wrote:
>
> > Yes - use a cross over cable if you do not have a switch or hub. Be

aware
> > that sometimes a double NAT configuration (ICS + router) does not work

well
> > or at all. However, the configuration is theoretically sound and

usually it
> > works fine.
> >
> > Doug Sherman
> > MCSE, MCSA, MCP+I, MVP
> >
> > "Axbrink" <> wrote in message
> > news:287F4D8E-27AA-476A-8012-...
> > > I have a WLAN with a router and 5 computers. Now I want to connect a

> > laptop
> > > to one of the WLAN desktops with a cable, because I don't have a WLAN

card
> > on
> > > the laptop. I have a free LAN card on the desktop, and the laptop as

well.
> > > So, is it possible to set up the desktop as an XP ICS host even though

it
> > is
> > > a WLAN client itself? Will I be able to reach Internet from the

laptop?
> >
> >
> >





Doug Sherman [MVP]
  Reply With Quote
Old 01-01-2006, 02:40 PM   #5
=?Utf-8?B?QXhicmluaw==?=
 
Posts: n/a
Default Re: Combine WLAN and ICS
I don't know if I confused you, but the laptop was to be wired only...
However, I actually tried bridging, which worked beautifully. Now all
computers are on the same subnet (DHCP from the wireless router).
Had a bit of problem though, the bridging didn't work to start with. Finally
I found an article that may be of use to others who struggle with bridging. I
found that my wireless NIC (Netgear MA311) wouldn't run in "promiscuous mode"
(don't ask me to explain...)

http://www.microsoft.com/windowsxp/u...02april22.mspx

Anyways Doug, thanks a lot for taking your time to answer. I haven't looked
in these newsgroups before, and they are great!


"Doug Sherman [MVP]" wrote:

> You want to enable ICS on the XP's local area connection for the wireless
> adapter. This will cause the LAN NIC to be 192.168.0.1 (provided it is set
> to obtain an address automatically), and the the laptop will also acquire a
> 192.168.0.x address. DHCP on the router is not an issue as long as the
> subnet is not 192.168.0.x; and bridging will not be useful in this scenario.
>
> Doug Sherman
> MCSE, MCSA, MCP+I, MVP
>
> "Axbrink" <> wrote in message
> news:8020CB4E-FA62-4DEF-83CF-...
> > Thanks for the advice, I'm afraid I wasn't clear. I have the cross over

> cable
> > connected alright, the question is the setup.
> > The wireless router runs DHCP, can't change that. I did some further
> > searching and it seems to me that setting up XP ICS may be tricky in this
> > case because the router is 192.168.2.1 and the ICS will want to be
> > 192.168.0.1?
> >
> > Could bridging be a way? If so, how do I set up the two different NIC's?
> > When using the XP networking wizard, it acts as if there is only one

> adapter,
> > hence only lets me set up one network? How can I set them up separately?
> > Should the wired computer address be static or dynamic and so on? Can't

> find
> > a tech doc describing this.
> >
> > Both computers are running XP Pro
> >
> >
> > "Doug Sherman [MVP]" wrote:
> >
> > > Yes - use a cross over cable if you do not have a switch or hub. Be

> aware
> > > that sometimes a double NAT configuration (ICS + router) does not work

> well
> > > or at all. However, the configuration is theoretically sound and

> usually it
> > > works fine.
> > >
> > > Doug Sherman
> > > MCSE, MCSA, MCP+I, MVP
> > >
> > > "Axbrink" <> wrote in message
> > > news:287F4D8E-27AA-476A-8012-...
> > > > I have a WLAN with a router and 5 computers. Now I want to connect a
> > > laptop
> > > > to one of the WLAN desktops with a cable, because I don't have a WLAN

> card
> > > on
> > > > the laptop. I have a free LAN card on the desktop, and the laptop as

> well.
> > > > So, is it possible to set up the desktop as an XP ICS host even though

> it
> > > is
> > > > a WLAN client itself? Will I be able to reach Internet from the

> laptop?
> > >
> > >
> > >

>
>
>



=?Utf-8?B?QXhicmluaw==?=
  Reply With Quote
Old 01-04-2006, 11:29 PM   #6
Doug Sherman [MVP]
 
Posts: n/a
Default Re: Combine WLAN and ICS
I guess I should have said bridging would not be useful if you were going to
use ICS - anyway glad you got it working.

Doug Sherman
MCSE, MCSA, MCP+I, MVP

"Axbrink" <> wrote in message
news:792C71D4-2566-45F4-847A-...
> I don't know if I confused you, but the laptop was to be wired only...
> However, I actually tried bridging, which worked beautifully. Now all
> computers are on the same subnet (DHCP from the wireless router).
> Had a bit of problem though, the bridging didn't work to start with.

Finally
> I found an article that may be of use to others who struggle with

bridging. I
> found that my wireless NIC (Netgear MA311) wouldn't run in "promiscuous

mode"
> (don't ask me to explain...)
>
>

http://www.microsoft.com/windowsxp/u...wford_02april2
2.mspx
>
> Anyways Doug, thanks a lot for taking your time to answer. I haven't

looked
> in these newsgroups before, and they are great!
>
>
> "Doug Sherman [MVP]" wrote:
>
> > You want to enable ICS on the XP's local area connection for the

wireless
> > adapter. This will cause the LAN NIC to be 192.168.0.1 (provided it is

set
> > to obtain an address automatically), and the the laptop will also

acquire a
> > 192.168.0.x address. DHCP on the router is not an issue as long as the
> > subnet is not 192.168.0.x; and bridging will not be useful in this

scenario.
> >
> > Doug Sherman
> > MCSE, MCSA, MCP+I, MVP
> >
> > "Axbrink" <> wrote in message
> > news:8020CB4E-FA62-4DEF-83CF-...
> > > Thanks for the advice, I'm afraid I wasn't clear. I have the cross

over
> > cable
> > > connected alright, the question is the setup.
> > > The wireless router runs DHCP, can't change that. I did some further
> > > searching and it seems to me that setting up XP ICS may be tricky in

this
> > > case because the router is 192.168.2.1 and the ICS will want to be
> > > 192.168.0.1?
> > >
> > > Could bridging be a way? If so, how do I set up the two different

NIC's?
> > > When using the XP networking wizard, it acts as if there is only one

> > adapter,
> > > hence only lets me set up one network? How can I set them up

separately?
> > > Should the wired computer address be static or dynamic and so on?

Can't
> > find
> > > a tech doc describing this.
> > >
> > > Both computers are running XP Pro
> > >
> > >
> > > "Doug Sherman [MVP]" wrote:
> > >
> > > > Yes - use a cross over cable if you do not have a switch or hub. Be

> > aware
> > > > that sometimes a double NAT configuration (ICS + router) does not

work
> > well
> > > > or at all. However, the configuration is theoretically sound and

> > usually it
> > > > works fine.
> > > >
> > > > Doug Sherman
> > > > MCSE, MCSA, MCP+I, MVP
> > > >
> > > > "Axbrink" <> wrote in message
> > > > news:287F4D8E-27AA-476A-8012-...
> > > > > I have a WLAN with a router and 5 computers. Now I want to connect

a
> > > > laptop
> > > > > to one of the WLAN desktops with a cable, because I don't have a

WLAN
> > card
> > > > on
> > > > > the laptop. I have a free LAN card on the desktop, and the laptop

as
> > well.
> > > > > So, is it possible to set up the desktop as an XP ICS host even

though
> > it
> > > > is
> > > > > a WLAN client itself? Will I be able to reach Internet from the

> > laptop?
> > > >
> > > >
> > > >

> >
> >
> >





Doug Sherman [MVP]
  Reply With Quote
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