<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On 06/08/2010, at 3:30 PM, Nathan Ridge wrote:</div><blockquote type="cite"><div bgcolor="#ffffff" text="#000000"><font class="Apple-style-span" color="#000000"><br></font>
Due to the lack of affordable high bandwidth solutions available up
here in Mackay, I am entertaining the idea of getting a Cisco 2851 and
running 6-10 ADSL WIC modules and bonding Telstra ADSL2 links to create
a 6mbit to 10mbit link. Using a few of NM-2W modules theoretically I
can fit 10 WIC-1ADSL in a 2851 and load-balance them to make
80mbit/10mbit, CEF handling the load-balancing outbound across even
metric routes.<br>
<br>
Ive had good success in the past doing this with 2 x ADSL2 to make a
2mbit service but not more than 2. Has anyone tried with 4 or more ? <br>
<br>
Any past experiences, thoughts, recommendations appreciated.<br>
<br></div></blockquote><div><br></div><div>Be aware that some of the multi-WIC NM cards are not supported on the 2800 platform, which may limit you back to 4x ADSL.</div><div><br></div><div>I've done something similar in the past by putting standard DSL modems into bridge mode, and adding them to a VLAN capable switch back to a single trunk interface on the router. You'll want a separate MAC address per virtual interface to avoid all data coming down one line (as the DSLAM may act like a switch), although I'm not certain that the Cisco PPPoE client will run on a subinterface. The trick is to ensure that you have distinct PPPoE client instances in separate broadcast domains.</div><div><br></div><div>What I would be more concerned about is how you're going to pay for all of the Telstra ADSL2 AGVC bandwidth you're intending on using, assuming that you're talking about L2TP/multilink rather than just interleaving across Bigpond services. Unless you've got a killer deal on TW ADSL2, the monthly cost of getting that 80M aggregation into your CBD POP is going to be more than a TW 100M ethernet service to your location!</div><div><br></div><div>John</div><div><br></div></div></body></html>