Re: BGP multihoming question.

2010-12-11 Thread Robert E. Seastrom
"George Bonser" writes: >> -Original Message- >> From: Bret Clark >> Sent: Friday, December 10, 2010 7:08 AM >> To: nanog@nanog.org >> Subject: Re: BGP multihoming question. >> >> On 12/10/2010 10:01 AM, Dylan Ebner wrote: >>

RE: BGP multihoming question.

2010-12-10 Thread George Bonser
> -Original Message- > From: Bret Clark > Sent: Friday, December 10, 2010 7:08 AM > To: nanog@nanog.org > Subject: Re: BGP multihoming question. > > On 12/10/2010 10:01 AM, Dylan Ebner wrote: > > 3. You cannot trust the second isp to advertise the SWIP block

Re: BGP multihoming question.

2010-12-10 Thread Bret Clark
On 12/10/2010 10:01 AM, Dylan Ebner wrote: 3. You cannot trust the second isp to advertise the SWIP block correctly if they are not a tier 1. Even though they may advertise it for you to their upstream, they don't always have the appropriate procedures in place to get the LOAs to the upstream

RE: BGP multihoming question.

2010-12-10 Thread Dylan Ebner
Our organization does exactly this. The requirements we have run into are: 1. The block needs to be at least a /24 and registered with SWIP 2. You will need LOAs from the owner of the block. This used to take months to get, now it seems the isps have streamlined this operation 3. You cannot trust

Re: BGP multihoming question.

2010-12-09 Thread Jack Bates
On 12/9/2010 5:32 AM, b2 wrote: Hi , first sorry for lame question but i'm new to BGP. In my ISP I have two full BGP sessions with my two transit providers (X and Y), and for every provider i have assigned PA (Provider Aggregatable) networks. Is it possible (if there are no filters on other side)

Re: BGP multihoming question.

2010-12-09 Thread William Herrin
2010/12/9 b2 : > Hi , first sorry for lame question but i'm new to BGP. > In my ISP I have two full BGP sessions with my two transit providers (X > and Y), and for every provider i have assigned PA (Provider > Aggregatable) networks. Is it possible (if there are no filters on other > side) to adver

Re: BGP multihoming question.

2010-12-09 Thread Gregory Edigarov
On Thu, 09 Dec 2010 13:32:26 +0200 b2 wrote: > Hi , first sorry for lame question but i'm new to BGP. > In my ISP I have two full BGP sessions with my two transit providers > (X and Y), and for every provider i have assigned PA (Provider > Aggregatable) networks. Is it possible (if there are no f