[members-discuss] An ISP offers to announce our prefix. Is that normal?

Hi,
I see your point and I agree. In the end it is just a matter of setting 
the boundaries of up to where the responsability of the ISP is limited 
to, like with any other service.

WBR,
Daniel

Il 12/11/2019 17:24, Gert Doering ha scritto:
> Hi,
> 
> On Tue, Nov 12, 2019 at 01:19:05PM +0100, Daniel Ponticello wrote:
>> As far as L3 SLA, I never heard of doing BGP causing an SLA problem, can
>> you ask them why is that? If that would be true, nobody would do IP
>> transit anymore ;)
> 
> It depends a bit on the specific wording and the definition of "S"ervice
> that you have SLAs on.
> 
> If one of our customers runs their own BGP with their own BGP policies
> and a second BGP uplink, and then complains to us "we cannot reach
> someone else iin the Internet?", and I *can* reach this prefix, debugging
> this is much harder than "it does not work from our AS" - because there's
> another ISP involved, some unknown-to-us BGP config, it might be route
> flap dampening triggered "somewhere".
> 
> So, of course we help our customer troubleshoot this, and usually we can
> get it fixed.
> 
> Can I give a SLA on something I do not fully control?  No...
> 
> Now, if you give a L3 SLA on "can reach ISP network" and "ISP network
> can reach the world", this is easy, but not helping the end customer who
> expects "can reach the whole Internet"...  but, given that they can
> easily mess up their own BGP setup ("set community $no-export-to-foo"),
> nobody can put hard guarantees on that.
> 
> Gert Doering
>          -- NetMaster
>