[nsp] BGP Q

[Pete Templin]

If you're looking for balance, as prepending will be easier.  You'll 
probably have to prepend 1-3 times to get some semblance of balance, but 
that's easier than deciding which routes to local pref.  If you do all 
routes from one provider, that provider will rapidly become much more 
preferred or much less preferred, and you'll lose all semblance of balance.

james wrote:
> I adjust local pref to achieve this. Local pref is a "bigger hammer" as it comes
> before AS path length in the BGP algorithm. Set the local pref higher (default
> is 100) on the received routes (from your providers) you want your out going traffic to prefer.
> 
> Some more things you can do:
> 
> Prefer one provider for outgoing (local pref 110) but always prefer
> providers customer routes (say local pref 120). 
> 
> james 
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