BGP Session

Owen DeLong owen at delong.com
Sat Jul 19 22:36:02 UTC 2014


When did the NANOG list become freeconsulting.org?

Owen

On Jul 19, 2014, at 10:12 , 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.....?
> 
> 
> 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?
>>>>> 
>>>> 
>>> 
>> 



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