Re: Lots of prepends - AS20912 case

2009-02-20 Thread Andree Toonk
Hi, .-- My secret spy satellite informs me that at Fri, 20 Feb 2009, Giuliano Peritore wrote: > I think that the case of AS47868 is the same, because I seed the > modulo was involved too. For those interested, I made an overview of longest AS paths observed per day, starting with Febru

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Dorn Hetzel
--Original Message- > > From: Mikael Abrahamsson [mailto:swm...@swm.pp.se] > > Sent: Friday, February 20, 2009 3:06 PM > > To: nanog@nanog.org > > Subject: Re: Lots of prepends - AS20912 case > > > > On Fri, 20 Feb 2009, Dorn Hetzel wrote: > > >

RE: Lots of prepends - AS20912 case

2009-02-20 Thread Ivan Pepelnjak
pletely different story; it's used to do proxy prepending for your customers. Ivan Pepelnjak http://blog.ioshints.info > -Original Message- > From: Mikael Abrahamsson [mailto:swm...@swm.pp.se] > Sent: Friday, February 20, 2009 3:06 PM > To: nanog@nanog.org > Subject:

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Dorn Hetzel
It's just a personal opinion, but I would think that if someone is going to make the rest of the net suffer the ugliness of a n n n n n n n n n n n n prepend, then it's not unreasonable they should have to look at the ugliness in their config file as

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Mathias Sundman
On Fri, 20 Feb 2009, Mikael Abrahamsson wrote: On Fri, 20 Feb 2009, Dorn Hetzel wrote: Replacing what is conventially thought to be a string with an integer multiplier seems a massive violation of the principle of least astonishment. 3. Prepend number of times entered modulo 256, is just br

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Mikael Abrahamsson
On Fri, 20 Feb 2009, Dorn Hetzel wrote: Replacing what is conventially thought to be a string with an integer multiplier seems a massive violation of the principle of least astonishment. On a Cisco running 12.0S: route-map test1 set as-path prepend last-as ? <1-10> number of last-AS prepen

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Dorn Hetzel
Replacing what is conventially thought to be a string with an integer multiplier seems a massive violation of the principle of least astonishment. On Fri, Feb 20, 2009 at 8:00 AM, Jon Lewis wrote: > On Fri, 20 Feb 2009, Giuliano Peritore wrote: > >The problem is that differently to Cisco

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Jon Lewis
On Fri, 20 Feb 2009, Giuliano Peritore wrote: The problem is that differently to Cisco the syntax of the prepend field on thius system is not a string (eg. "20912 20912 20912") but an integer, that the user interface _should_ limit to the interval 0-16. ... The producer has been

Re: Lots of prepends - AS20912 case

2009-02-20 Thread Tomas Caslavsky
Hi all, I can only cofnirm that AS47868 is using also Mikrotik as their border BGP router Tomas Giuliano Peritore wrote: The long (176) AS20912 prepend incident was due to a misconfiguration of a BGP router we were testing. The problem is that differently to Cisco the sy

Lots of prepends - AS20912 case

2009-02-20 Thread Giuliano Peritore
The long (176) AS20912 prepend incident was due to a misconfiguration of a BGP router we were testing. The problem is that differently to Cisco the syntax of the prepend field on thius system is not a string (eg. "20912 20912 20912") but an integer, that the user interface _s