nanog mailing list archives

Re: Failover how much complexity will it add?


From: adel () baklawasecrets com
Date: Sun, 08 Nov 2009 22:13:44 +0000

I think partial routes makes perfect sense, makes sense that traffic for customers who are connected to each of my 
upstreams should go out of
the correct BGP link as long as they are up!  Now I need to start thinking of BGP router choices, sure I have a 
plethora of choices :-(




On Sun  10:01 PM , Seth Mattinen <sethm () rollernet us> wrote:

adel () baklawasecrets com wrote:
Hi,

Ok thanks for clearing that up. I'm getting some good feedback on
applying for PI and ASN through Ripe LIRs over on the UKNOF so I think I
have a handle on this.
With regards to BGP and using separate BGP routers. I am announcing my
PI space to my upstreams, but I don't need to carry a full Internet
routing table, correct?
So I can get away with some "lightweight" BGP routers not being an ISP
if that makes sense?


Most will give you three choices: full routes, partial routes (internal,
their customers) with default, and default only. If you can't swing full
routes then I would go for partial routes as it will at least send
traffic for each ISP and their customers directly to them rather than
randomly over the other link. It all depends on what you're going to use
as your BGP speaking platform.

~Seth





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