[afnog] Help Please - is my ISP Stripping my prepends?

[Mehmet Akcin]

hi Alex,

Depending on what your router is can you do an extensive detailed routes you are advertising to your ISPs?

Are you able to actually tell us what your /23 is so we can look from looking glass here?

more information you can share, more we can help you

Mehmet

On May 30, 2014, at 12:37 AM, Alex Rhys-Hurn <alex at itworx.co.ke> wrote:

> Hello everyone,
> 
> This is my first post here, I hope somebody can help.
> 
> I have a /23 which I have divided in to two /24s
> 
> My objective is to balance (as far is as possible) traffic across two ISP links using filters with prepend.
> 
> I have announced as follows:
> 
> 194.9.a.0/24 via ISP1 with no prepend
> 194.9.b.0/24 via ISP1 prepended 3x
> 194.9.a.0/23 via ISP1 with no prepend
> 
> and
> 
> 194.9.a.0/24 via ISP2 prepended 3x
> 194.9.b.0/24 via ISP2 with no prepend
> 194.9.a.0/23 via ISP2 prepended 3x
> 
> When I use the looking glass at lg.he.net I can see the prepends from ISP1 properly, but I cannot see the prepends from ISP2
> , my traffic works over both links but is very heavy on ISP1
> 
> Does this mean the ISP is stripping the prepends? Is there anything I can do about it?
> 
> I hope this is clear, and that somebody may have some insight.
> 
> Many thanks in advance.
> 
> Alex
> 
> -- 
> Alex Rhys-Hurn  |  ITworX Limited
> P.O. Box 1649, 00502, Karen, Kenya
> Tel: +254 (0) 20 2444824 | Cell: +254 (0) 724 972541
> Web: www.itworx.co.ke
> 
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> 
> 
> 
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