[j-nsp] Hidden IPv4 iBGP routes

John Neiberger jneiberger at gmail.com
Tue Mar 13 20:29:16 EDT 2012


Thanks! I just heard from another one of our engineers who is much
more familiar with Juniper than I am. He already knew about this, so I
was just a little slow on the uptake.  lol

Thanks to all for the help.

On Tue, Mar 13, 2012 at 6:05 PM, Harry Reynolds <harry at juniper.net> wrote:
> Yes, I believe that is enough to cause your issue.
>
> I believe that independent domain might help with the global as loop check, but it too is global and needs to be carefully tested.
>
> Else use as loops, which should also be tested. ;) Adding will flap bgp IIRC.
>
> Regards
>
>
>
>
>
>
>
> -----Original Message-----
> From: John Neiberger [mailto:jneiberger at gmail.com]
> Sent: Tuesday, March 13, 2012 4:55 PM
> To: Harry Reynolds
> Cc: Mohammad; juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] Hidden IPv4 iBGP routes
>
> We do have the following configured under bgp:
>
> group SomeGroupName {
>    type external;
>    traceoptions {
>        file ipv4-ebgp-customer-logs size 10m files 10;
>        flag state;
>    }
>    description "SomeGroup";
>    family inet {
>        unicast;
>    }
>    remove-private;
>    local-as XXXXX private;
> }
>
> I wish I could post that stuff without editing.  hehe  Is that enough
> to break things? And if so, what is the fix?
>
> Thanks!
>
>
> On Tue, Mar 13, 2012 at 5:21 PM, Harry Reynolds <harry at juniper.net> wrote:
>> Are there any vrfs on this box using AS XXXX?
>>
>> In JUNOS AS loop check is global, so also applies to any vrfs and their configured asns.
>>
>> HTHs
>>
>>
>>
>> -----Original Message-----
>> From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of John Neiberger
>> Sent: Tuesday, March 13, 2012 4:17 PM
>> To: Mohammad
>> Cc: juniper-nsp at puck.nether.net
>> Subject: Re: [j-nsp] Hidden IPv4 iBGP routes
>>
>> Okay, there is no local AS configured under protocols bgp, and the AS
>> configured under routing options is correct.
>>
>> On Tue, Mar 13, 2012 at 5:11 PM, John Neiberger <jneiberger at gmail.com> wrote:
>>> I'll do that right now. I checked the AS under routing-options, but
>>> didn't check for a local-as. Thanks! I'm very new to Juniper, so I'm
>>> still pretty lost.
>>>
>>> On Tue, Mar 13, 2012 at 4:29 PM, Mohammad <masalbad at gmail.com> wrote:
>>>> I think you need to check the autonomous-system under the routing-options
>>>> hierarchy; and the local-as under protocols bgp group hierarchy;
>>>>
>>>>
>>>>
>>>> Mohammad Salbad
>>>>
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