BGP Session

Sat Jul 19 17:25:12 UTC 2014

Oh no, I just used the first ASNs that came to mind :P

On Sat, Jul 19, 2014 at 10:23 AM, Jonathan Lassoff <jof at thejof.com> wrote:

> On Sat, Jul 19, 2014 at 10:12 AM, Abuse Contact
> <stopabuseandreport at gmail.com> wrote:
> > Yeah, we're using it for an anycasted node but like, I'm confused on
> certain
> > parts like, just a really basic question.
> > When doing things like
> >
> > conf t
> > router bgp AS1337
> >
> > neighbor 208.54.128.0 remote-as AS13335
> > neighbor 208.54.128.0 description BGP with Upstream
> > neighbor 208.54.128.0 password "lolpass"
> >
> > address-family ipv4
> > no synchronization
> > neighbor 208.54.128.0 activate
> > neighbor 208.54.128.0 soft-reconfiguration inboung
> >
> > I'm confused on when doing this, would I need to state like
> >
> > First go to AS13335 then go to TATA then go to my server or would it just
> > automatically do that or would my provider do that? I'm confused on that.
> > how would I state multiple peers.....?
>
> AS13335 is Cloudflare.
> How does TATA relate? You have a deicated server connected to TATA and
> Cloudflare? I'm skeptical.
>
> You really ought to do some more reading, learning, and practicing
> before running public BGP.
>
> I would recommend reading this book cover-to-cover:
> http://www.bgpexpert.com/'BGP'-by-Iljitsch-van-Beijnum/
> It's only ~250 small pages.
> To practice and experiment, emulate some example configurations with
> GNS3 and Dynamips, or some Linux VMs with Quagga or BIRD.
>
>
> >
> >
> > On Sat, Jul 19, 2014 at 10:06 AM, Jonathan Lassoff <jof at thejof.com>
> wrote:
> >>
> >> An Anycasting node. For example, as part of a reliable DNS service.
> >> A /24 is usually the smallest prefix length that is portably accepted.
> >>
> >> Also, applications where connections need to appear to be coming from
> many
> >> source IPs.
> >>
> >>
> >> On Saturday, July 19, 2014, Suresh Ramasubramanian <ops.lists at gmail.com
> >
> >> wrote:
> >>>
> >>> A single linux box with a whole /24 on it? What sort of use case is
> that,
> >>> BTW?
> >>>  On 19-Jul-2014 10:26 pm, "Abuse Contact" <
> stopabuseandreport at gmail.com>
> >>> wrote:
> >>>
> >>> > I know, the DC is going to be giving me a BGP session on their router
> >>> > so I
> >>> > can set it up, I'm not using a Linux server as a router.
> >>> >
> >>> >
> >>> > On Sat, Jul 19, 2014 at 9:04 AM, William Herrin <bill at herrin.us>
> wrote:
> >>> >
> >>> > > On Wed, Jul 16, 2014 at 4:05 AM, Abuse Contact
> >>> > > <stopabuseandreport at gmail.com> wrote:
> >>> > > > So I just purchased a Dedicated server from this one company and
> I
> >>> > have a
> >>> > > > /24 IPv4 block that I bought from a company on WebHostingTalk,
> but
> >>> > > > I am
> >>> > > > clueless on how to setup the /24 IPv4 block using the BGP
> Session.
> >>> > > > I
> >>> > want
> >>> > > > to set it up to run through their network as if it was one of
> their
> >>> > IPs,
> >>> > > > etc. I keep seeing things like iBGP (which I think means like a
> >>> > > > inner
> >>> > > > routing BGP) and eBGP (what I'm talking about??) but I have no
> idea
> >>> > > > how
> >>> > > to
> >>> > > > set those up or which one I would need.
> >>> > >
> >>> > > Howdy,
> >>> > >
> >>> > > Unless you have (1) a real router available, not a just a server
> and
> >>> > > (2) an expert available to help you with your first BGP
> configuration
> >>> > > I strongly recommend you simply ask your service provider to
> announce
> >>> > > the /24 to the Internet on your behalf.
> >>> > >
> >>> > > Server-based BGP software like Quagga for Linux is reasonably good
> >>> > > but
> >>> > > it should absolutely not be involved in your _first_ attempt to
> >>> > > connect with the Internet's default-free zone. Simple mistakes with
> >>> > > eBGP can cause tremendous damage to other folks on the Internet.
> >>> > > Trial
> >>> > > and error is simply not OK. If it isn't worth it to you to buy a
> >>> > > BGP-capable router then you also aren't prepared to make the
> >>> > > investment in learning it takes to use BGP without causing harm.
> >>> > >
> >>> > > Regards,
> >>> > > Bill Herrin
> >>> > >
> >>> > >
> >>> > > --
> >>> > > William Herrin ................ herrin at dirtside.com
> bill at herrin.us
> >>> > > Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
> >>> > > Can I solve your unusual networking challenges?
> >>> > >
> >>> >
> >
> >
>