Hi Tom,
This is exactly what I was planning.
I'm announcing a block via ISP1 and another set of blocks via ISP2, and
have iBGP running between them.
Thanks a lot!!
Best regards,
On Fri, Dec 27, 2024 at 1:00 PM Tom Beecher <beec...@beecher.cc> wrote:
> Jean-
>
> Yeah, don't worry about people complaining.
>
> Is this an accurate description of what you are trying to achieve?
>
> - Have 2 different sets of prefixes that you announce. Set A via
> router1/ISP1 , Set B via router2/ISP2
> - If BGP to one of your ISPs goes down, start announcing those prefixes to
> the other ISP. ( Example, if ISP2 goes down, start announcing prefix Set B
> over ISP1 )
>
> On Thu, Dec 26, 2024 at 8:16 AM Jean Franco <jfra...@maila.inf.br> wrote:
>
>> Hi guys,
>> I've been on the list for as long as I cannot even remember.
>> So just you know, I'm not new at this.
>>
>> This is no easy task, that's why I came here looking for help.
>> I'm sorry if I brought anguish to the experts on the list!
>> I thought I could bring something that someone may have
>> experienced before.
>>
>> I haven't solved this yet, but at least I've received some
>> valuable suggestions and I Thank you!
>>
>> About all the details of the connections, numbers of peerings, PNI's and
>> IXP's I have left them out, since I figured this additional information
>> could make things worse.
>>
>> ISP 1 <router01> ====20KM====<Router>====20KM====<router02> ISP2
>>
>> The ISP connections are all 10G.
>> I don't believe these routers are DFZ capable.
>> All the routers are well capable and already receive the full routes.
>> The connections between these routers are 40G.
>>
>> Best regards,
>>
>>
>> On Thu, Dec 26, 2024 at 12:53 AM Bryan Fields <br...@bryanfields.net>
>> wrote:
>>
>>> On 12/25/24 6:18 PM, Randy Bush wrote:
>>> > where does one go for is-is help? the mtu issie can be painful!!!
>>>
>>> I think here would be good too. I recently had to do this between a
>>> Cisco
>>> 3945e and a Juniper, and from my unrevised notes:
>>>
>>> vlan {
>>> unit 405 {
>>> family iso {
>>> # holy shit this is important. CISCO and Juniper will not talk
>>> unless the
>>> MTU is set
>>> mtu 1492;
>>> }
>>> }
>>> }
>>>
>>> :-)
>>>
>>> --
>>> Bryan Fields
>>>
>>> 727-409-1194 - Voice
>>> http://bryanfields.net
>>>
>>
