[c-nsp] Converting OSPF backbone to iBGP

[Dan Armstrong]

Unfortunately our access network is highly distributed, consequently our 
address space is highly de-aggregated at the access layer.  We shove our 
Supernets into iBGP regionally and currently let our IGP sort out the 
lower layers... which is what I want to get away from.



Mark Tinka wrote:
> On Tuesday 30 September 2008 22:59:34 Dan Armstrong wrote:
>
>   
>> In an "all iBGP" network - what do you do with customer's
>> that are using your address space?   Do you redistribute
>> Connected (& static routes) on your access routers into
>> iBGP?  I assume that's about all you can do, right?
>>     
>
> You can originate prefixes off the edge router in question 
> via the 'network' statement. This is what we prefer to do.
>
> We only consider redistribution when doing l3vpn's, as the 
> scope that needs to be addressed (no pun intended) is much, 
> much smaller and more predictable.
>
> Mark.
>