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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

FireBrick 2700 Configuration run-through: Difference between revisions

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=Other Things=
== Accessing the Modem ==
 
The modem, or ADSL router in bridge mode, will also have a LAN IP that you can use to get to it's config pages etc. eg, the ZyXEL P660-R will still have a LAN setting, with an IP set. For the purpose of this example, let's assume the P-660R is on 192.168.1.2 mask 255.255.255.0.
 
In order to talk to the Modem from the LAN side of the FireBrick, a Subnet on the FireBrick needs to be made. This subnet would be on the WAN Interface, eg:
 
<div style="text-align: left" dir="ltr" class="mw-geshi"><div class="xml source-xml"><pre class="de1"> <span class="sc3"><span class="re1">&lt;interface</span> <span class="re0">name</span>=<span class="st0">"WAN"</span> <span class="re0">port</span>=<span class="st0">"WAN1"</span><span class="re2">&gt;</span></span>
<interface name="WAN" port="WAN1">
<span class="sc3"><span class="re1">&lt;subnet</span> <span class="re0">ip</span>=<span class="st0">"192.168.1.1/24"</span><span class="re2">/&gt;</span></span>
<subnet ip="192.168.2.1/24" comment="IP subnet on WAN for router config"/>
<span class="sc3"><span class="re1">&lt;/interface<span class="re2">&gt;</span></span></span></pre></div></div>
</interface>
<br>'''Static routes'''
 
The previous config will put the FB on 192.168.1.1, and allow the FB to route IP packets between your LAN subnet and the 192.168.1 subnet. However, at this stage, you may find you are still unable to ping the modem on the WAN port. THis is because although packets from your 81.x.x.x address are correctly routed to the modem, the modem itself knows no route back to 81.x.x.x. It know nothing of the FB. SO we need to tell it by setting a static route.
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