If they are, in fact, bridged segments (RFC1483), spanning tree will
likely shut one of the links down for loop protection.
Bridging loops are nasty business.
-Dennis
On Mon, 19 Mar 2001, Krzysztof Adamski wrote:
> I have a customer that wants to "bond" two ADSL connections to increase
> his bandwidth. He is to far from the CO to get the high-high speed ADSL.
>
> This is the setup:
>
> Customer runs PPPoE software, ADSL modem is connected through the ethernet
> NIC. This gets encapsulated as a L2TP tunnel and shows up on my cisco
> router, here the tunnel is deencapsulated, then the PPP is authenticated
> (I'm using RADIUS).
>
> So, would it be possible to put a cisco 1605 at the customer site, have
> one ethernet connect to his internal network. The other ethernet port
> connected to a hub and have two (or more) ADSL modems connect to this hub.
> Setup the 1605 to create two PPPoE sessions and have two default routes.
>
> On my router assign the same network to the two connections.
>
>
> I can see some problems, one is how would the 1605 know which ADSL modem
> to talk to, after all the modems are just bridges. Would this be solved by
> having a separate ethernet port per modem?
>
> Are there any other ways for bonding ADSL connections?
>
> K
>
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:12:32 EDT