BGP Session

Jon Lewis jlewis at lewis.org
Sat Jul 19 17:18:54 UTC 2014


Assuming this isn't some silly troll, you need to either hire someone with 
a bit more clue or see if your provider is willing to configure your 
router.  It sounds like you have no idea how IP routing works.

On Sat, 19 Jul 2014, Abuse Contact 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?
>>>>>
>>>>
>>>
>>
>

----------------------------------------------------------------------
  Jon Lewis, MCP :)           |  I route
                              |  therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________


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