[j-nsp] Stripping off BGP Prepends

[Richard A Steenbergen]

On Tue, Jun 29, 2010 at 10:19:06PM -0400, Paul Stewart wrote:
> Hi there..
> 
> Some of you might get a chuckle out of this...  Have a customer who 
> called and wants us to strip off their prepends they are padding in 
> their BGP session with us.  They are padding their AS number 6 times 
> and now the traffic levels are getting too large with their other 
> upstream provider.
> 
> Obviously I asked - umm... why don't *you* change it?  Their answer 
> was that a consultant set this up for them and he's on holidays this 
> week.... yikes...
> 
> Anyways, JunOS on MX series - Do this in an import policy?  I'm 
> looking for something that says "AS numbers in path only allowed once" 
> for simplicity sake I think....

There is absolutely no way to implement anything like this in JUNOS, not 
even with hidden commands, despite about 10 years of asking for a secret 
way to manipulate the as-path.

-- 
Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)