Wireless Networking router -> bridge

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Subject Author Date
router -> bridge Hactar 06-02-08
---> Re: router -> bridge Airman Thunderb...06-02-08
Posted by Hactar on June 2, 2008, 5:07 pm
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I have a device I want to put on the LAN (an Xbox v. 1), so it can get
RSS feeds from outside as well as access my SMB shares locally. It only
has a hardwore ethernet jack and no slots. It also would be impractical
to run an ethernet cable to it, so it'll have to be a wireless <->
ethernet bridge. To that end, I got a router which supports "bridge"
mode, an Actiontec MI424WR (revision D). There's another one in the house
(earlier revision though), so the interface is familiar.

The manual says that to make it an IP bridge, I need to set it to have
no IP address. (Actually, it says that having no IP address is useful
when configuring it as a bridge.) Fair enough. However, the message
it pops up before it does that scares me. It says: "Configuring an
internal connection to have no IP address will make it inaccessible".
I can see that.

1. Is that step necessary? Can't I do this:

NAT NAT
(( net )) -- router #1 -- 192.168.1.x (router #2) -- 192.168.2.x (xbox)
`- 192.168.1.x ( ... )
`- ...

2. If it is necessary, how do I access the router afterward?

--
-eben QebWenE01R@vTerYizUonI.nOetP http://royalty.mine.nu:81
An ASCII character walks into a bar and orders a double. "Having a bad
day?" asks the barman. "Yeah, I have a parity error," replies the ASCII
chrcter. The barman says, "Yeah, I thought you looked a bit off." - Skud

Posted by Airman Thunderbird on June 2, 2008, 9:11 pm
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That's what you're trying to do is make it transparent to the rest of
the network. It would still be visible if you know the IP address. In
the worst case, you could physically reset the device to default specs.
You don't HAVE to let DHCP handle the bridge IP.I have a bridge set to a
fixed IP address and it works fine in my network, just make sure the
number won't conflict with your DHCP server. For example, I have my
access points and router set at 192.168.1.1, 192.168.1.2, etc.: then
have the DHCP serving router start at 192.168.1.100: no worries.

Hactar wrote:
> I have a device I want to put on the LAN (an Xbox v. 1), so it can get
> RSS feeds from outside as well as access my SMB shares locally. It only
> has a hardwore ethernet jack and no slots. It also would be impractical
> to run an ethernet cable to it, so it'll have to be a wireless <->
> ethernet bridge. To that end, I got a router which supports "bridge"
> mode, an Actiontec MI424WR (revision D). There's another one in the house
> (earlier revision though), so the interface is familiar.
>
> The manual says that to make it an IP bridge, I need to set it to have
> no IP address. (Actually, it says that having no IP address is useful
> when configuring it as a bridge.) Fair enough. However, the message
> it pops up before it does that scares me. It says: "Configuring an
> internal connection to have no IP address will make it inaccessible".
> I can see that.
>
> 1. Is that step necessary? Can't I do this:
>
> NAT NAT
> (( net )) -- router #1 -- 192.168.1.x (router #2) -- 192.168.2.x (xbox)
> `- 192.168.1.x ( ... )
> `- ...
>
> 2. If it is necessary, how do I access the router afterward?
>

Posted by Hactar on June 2, 2008, 10:07 pm
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> Hactar wrote:
> >
> > The manual says that to make it an IP bridge, I need to set it to have
> > no IP address. (Actually, it says that having no IP address is useful
> > when configuring it as a bridge.) Fair enough. However, the message
> > it pops up before it does that scares me. It says: "Configuring an
> > internal connection to have no IP address will make it inaccessible".
> > I can see that.
> >
> > 1. Is that step necessary? Can't I do this:

snip

> > 2. If it is necessary, how do I access the router afterward?

> That's what you're trying to do is make it transparent to the rest of
> the network. It would still be visible if you know the IP address.

IP address of what? The attached device? At port 80 (www) still? And
does it go in the WAN port or one of the LAN ports, or does it matter?

> You don't HAVE to let DHCP handle the bridge IP.

For most of the other devices around here I have DHCP assign a fixed
address. DHCP doesn't require a dynamic address after all.

> I have a bridge set to a
> fixed IP address and it works fine in my network, just make sure the
> number won't conflict with your DHCP server. For example, I have my
> access points and router set at 192.168.1.1, 192.168.1.2, etc.: then
> have the DHCP serving router start at 192.168.1.100: no worries.

Sure.

Also, I think I have a decent handle on what needs to happen
theoretically. Any idea how I configure the router to make that happen
actually?

--
-eben QebWenE01R@vTerYizUonI.nOetP royalty.mine.nu:81

My parents went to a planet where the inhabitants have no
bilateral symmetry, and all I got was this lousy F-shirt.

Posted by Airman Thunderbird on June 3, 2008, 9:31 pm
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If you use a DHCP address from your server, you won't know what the
address is, hence the "Configuring an internal connection to have no IP
address will make it inaccessible". Give it a fixed address and plug
your Xbox in after configuring the bridge.


Hactar wrote:
>> Hactar wrote:
>>> The manual says that to make it an IP bridge, I need to set it to have
>>> no IP address. (Actually, it says that having no IP address is useful
>>> when configuring it as a bridge.) Fair enough. However, the message
>>> it pops up before it does that scares me. It says: "Configuring an
>>> internal connection to have no IP address will make it inaccessible".
>>> I can see that.
>>>
>>> 1. Is that step necessary? Can't I do this:
>
> snip
>
>>> 2. If it is necessary, how do I access the router afterward?
>
>> That's what you're trying to do is make it transparent to the rest of
>> the network. It would still be visible if you know the IP address.
>
> IP address of what? The attached device? At port 80 (www) still? And
> does it go in the WAN port or one of the LAN ports, or does it matter?
>
>> You don't HAVE to let DHCP handle the bridge IP.
>
> For most of the other devices around here I have DHCP assign a fixed
> address. DHCP doesn't require a dynamic address after all.
>
>> I have a bridge set to a
>> fixed IP address and it works fine in my network, just make sure the
>> number won't conflict with your DHCP server. For example, I have my
>> access points and router set at 192.168.1.1, 192.168.1.2, etc.: then
>> have the DHCP serving router start at 192.168.1.100: no worries.
>
> Sure.
>
> Also, I think I have a decent handle on what needs to happen
> theoretically. Any idea how I configure the router to make that happen
> actually?
>

Posted by Hactar on June 3, 2008, 11:07 pm
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>
> >> Hactar wrote:
> >>> The manual says that to make it an IP bridge, I need to set it to have
> >>> no IP address. (Actually, it says that having no IP address is useful
> >>> when configuring it as a bridge.) Fair enough. However, the message
> >>> it pops up before it does that scares me. It says: "Configuring an
> >>> internal connection to have no IP address will make it inaccessible".
> >>> I can see that.
>
> If you use a DHCP address from your server, you won't know what the
> address is, hence the "Configuring an internal connection to have no IP
> address will make it inaccessible". Give it a fixed address and plug
> your Xbox in after configuring the bridge.

OK. I don't see an obvious way of having the wifi circuitry be just
another device on router #1's net and not broadcast its own SSID. Any
clues?

--
-eben QebWenE01R@vTerYizUonI.nOetP royalty.mine.nu:81
> A: It's annoying as hell
> Q: Why do most people hate top-posting? -- Lots42 The Library Avenger
http://www.fscked.co.uk/writing/top-posting-cuss.html

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