I am not sure what went wrong but the system no longer gets an IP. I did
exactly as I posted here.
Time for some console.
Any ideas how I can fix it from console?
Thank You,
Fernando Fuentes
DIGITALVOIPNET.COM
On Thu, Nov 15, 2012 at 10:52 AM, James Babiak <[email protected]> wrote:
> Fernando,
>
> Yes,
> BRIDGE0="eth0 eth1 eth2"
> will bridge those three interfaces and create the virtual br0 interface,
> which you can then assign as the external (or internal) interface.
>
> One question - is your astlinux box only connected to your LAN and is it
> using that as it's external/WAN interface? If so, then yes, you will setup
> EXTIF=br0 as you specified. However, if you have your box setup to use a
> different interface for external/WAN access (ie: eth4), then you would
> still use that as EXTIF and specify INTIF=br0 (or INT2IF, etc.).
>
> I'm still a little confused with what you are trying to accomplish, and
> why you want to use bridge mode over other options.
>
> Remember, if you setup your interfaces as a bridge, the astlinux box will
> not be routing the packets between the two (or more) interfaces. It will
> simply forward them just like a switch (sort of). So you wouldn't be able
> to do any NAT'ing or port forwarding on the astlinux box, that would have
> to be done on the primary gateway device.
>
> -James
>
>
> On 11/15/2012 11:37 AM, Fernando F. wrote:
>
> Thank you all for the help, links, doc, and advices.
> To make sure I am in the right track for me to have the devices in eth1
> and eth2 get an IP from my LAN which is connected to eth0 I do:
>
>
> BRIDGE0=“eth0 eth1 eth2”
> EXTIF="br0"
>
>
> The end goal is to have access to the web interfaces of my phones and
> devices behind the Astlinux router.
> I can also enable dhcp on the ports and just map those ports to a iptables
> rule to map the ports...
> Any thoughts?
>
> Thank you all for the help!
>
> Thank You,
>
> Fernando Fuentes
> DIGITALVOIPNET.COM
>
>
>
>
> On Thu, Nov 15, 2012 at 8:58 AM, James Babiak <[email protected]> wrote:
>
>> Fernando,
>>
>> I've used bridge mode before numerous times, but only on two physical
>> interfaces. According to the network init script, it looks like having >2
>> would work, but I don't know if anyone has ever actually tried that.
>>
>> With two interfaces bridged, I never really saw any noticeable
>> performance hit, even after doing some stress testing. On a fairly low
>> powered board, I was able to simulate about 30mbps of bandwidth to transit
>> the bridge without disrupting call quality or causing any significant load
>> to the box. However, as always, YMMV. One thing that we did have an issue
>> with was traffic shaping. Please note that we did this on a very customized
>> (and older) version of Astlinux, so the current mainstream version might
>> not be affected, but basically it would throttle traffic symmetrically and
>> at the lowest value. What I mean by this is that if you set the circuit
>> speeds to, say, 1500 up and 6000 down, it would throttle both up- and
>> down-stream traffic by the lower 1500 value. Therefore, while we did use
>> this on occasion, it would only be viable for symmetric speed circuits.
>> Obviously if you aren't using traffic shaping then that issue is moot
>> anyway.
>>
>> We used this configuration when we had a customer that had multiple IP
>> addresses, but wanted our device to sit between the ISP CPE and their
>> router/firewall. Using 'bridge mode', we were able to pass the extra public
>> IP address(es) internally, while still providing a level of QoS and
>> manageability. The configuration is easy and straightforward. Note however
>> that once an interface is included in a bridge (ie: br0), you can only
>> apply configuration changes to that virtual interface and not the
>> individual bridge members. So if you only have four physical interfaces,
>> and all four are in this bridge, your system will effectively only have a
>> single interface. This means you won't have any routing capabilities, as
>> everything will appear to be external. Though you might be able to setup
>> some crazy VLANs to circumvent this...
>>
>> Anyway, putting four interfaces into a bridge might have a greater impact
>> to performance - I couldn't really say. You could always test it out and
>> see what happens. But I would probably recommend using only two at most,
>> and putting the second interface into a switch.
>>
>> -James
>>
>>
>> On 11/15/2012 09:10 AM, Fernando F. wrote:
>>
>> David,
>>
>> Thanks for the reply. I am a bit nervous on how bad the performance
>> impact will be...
>> I am trying to move all of my telecom gear to it without the need of
>> another switch.
>> Is any body out there actively using their system in bridge mode? How bad
>> is the performance impact?
>>
>>
>> Thank You,
>>
>> Fernando Fuentes
>> DIGITALVOIPNET.COM
>>
>>
>>
>>
>> On Thu, Nov 15, 2012 at 7:08 AM, David Kerr <[email protected]> wrote:
>>
>>> At the bottom of the "Network" tab click on edit user variables and add
>>> a line like this into the file...
>>>
>>> BRIDGE1="eth1 eth2"
>>>
>>> After reboot, a new interface br1 will be visible in the Network tab
>>> of the user interface. As far as I know you can add multiple eth
>>> interfaces to the bridge.
>>>
>>> David
>>>
>>>
>>> On Thu, Nov 15, 2012 at 12:24 AM, Fernando F.
>>> <[email protected]>wrote:
>>>
>>>> Darrick,
>>>>
>>>> Thanks for the advice.
>>>>
>>>> Thank You,
>>>>
>>>> Fernando Fuentes
>>>> DIGITALVOIPNET.COM
>>>>
>>>>
>>>>
>>>>
>>>> On Wed, Nov 14, 2012 at 11:21 PM, Darrick Hartman <
>>>> [email protected]> wrote:
>>>>
>>>>> Fernando,
>>>>>
>>>>>
>>>>>
>>>>> Yes, this is possible, but that sounds a lot like a switch with poor
>>>>> performance ;). Take a look at the examples in /stat/etc/rc.conf. You’ll
>>>>> need to have the appropriate variables added to user.conf, but it should
>>>>> be
>>>>> pretty straightforward. Again, use /stat/etc/rc.conf as an example, do
>>>>> NOT
>>>>> edit that file.
>>>>>
>>>>>
>>>>>
>>>>> If you can’t figure it out by tomorrow, I’m sure someone else can
>>>>> respond with the exact variables. Once you have the bridge (br0) created,
>>>>> it should show up in the web interface and allow you to manipulate
>>>>> settings
>>>>> on that interface.
>>>>>
>>>>>
>>>>>
>>>>> Again, I really think you’d be better off with a 5 port switch because
>>>>> bridging those eth devices will come with a penalty in performance.
>>>>>
>>>>>
>>>>>
>>>>> Darrick
>>>>>
>>>>>
>>>>>
>>>>> *From:* Fernando F. [mailto:[email protected]]
>>>>> *Sent:* Wednesday, November 14, 2012 11:14 PM
>>>>> *To:* AstLinux Users Mailing List
>>>>> *Subject:* [Astlinux-users] Bridging eth ports
>>>>>
>>>>>
>>>>>
>>>>> Is it possible to bridge the eth ports on astlinux?
>>>>>
>>>>> I am trying to bridge eth1,2,3 to eth0
>>>>>
>>>>>
>>>>> Thank You,
>>>>>
>>>>> Fernando Fuentes
>>>>> DIGITALVOIPNET.COM
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>>
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>>
>>
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>
>
>
> ------------------------------------------------------------------------------
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>
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> [email protected].
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>
>
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