> 

> Sorry, didn't mean to send unfinished. My assumption is that it was icmp 
> redirect, but I couldn't stop it by disabling them??
> 
> I'm sure I was missing something.
> 
> Sent from my iPhone
> 
> On 8 Jan 2011, at 22:38, Mark Beynon <[email protected]> wrote:
> 
>> I was toying around with a topology that I created to experiment with OER. I 
>> had a Y shaped topology, with a central router that had three spokes. The 
>> bottom router would originate pings to a Loopback address that was 
>> configured on both the other spoke routers. The central router had a default 
>> route via spoke 1 and a default route with a worse AD via spoke 2. pings 
>> responded fine and debug ip packet showed all packets going to router on 
>> spoke 1 as expected. I downed the Loopback interface expecting pings to 
>> fail, with the idea being I could then set up oer to fix this. However the 
>> pings failed over seamlessly. I had not configured any thing clever to 
>> achieve this.
>> 
>> Experimenting more I re-enabled the Loopback, I set the default routes to 
>> the same AD. No load balancing was observed but I assumed  this was due to 
>> it load balancing via src and dst ip that were consistent.  It still however 
>> failed over seamlessly.
>> 
>> Where is this intelligence coming from?
>> 
>> 
>> O bi c c
>> 
>> 
>> Sent from my iPhone
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