[j-nsp] cgnat on service module - interesting bgp advertisements

Tim Jackson jackson.tim at gmail.com
Tue Apr 19 20:01:20 EDT 2016


Mind pasting your show route for those routes and your export policy?
On Apr 19, 2016 6:48 PM, "Aaron" <aaron1 at gvtc.com> wrote:

> Very interesting. anyone know why this is happening ?  Is this documented ?
> I put a /25 as the public nat pool, but look what this mx104 is advertising
> via bgp.. It appears to chop up that /25 into a bunch of smaller subnets
> and
> advertise those out
>
>
>
>
>
> agould at eng-lab-mx104-cgn> show configuration | grep 1.2.3. | display set
>
> set services nat pool nat1 address 1.2.3.128/25
>
>
>
>
>
> agould at eng-lab-mx104-cgn> show route advertising-protocol bgp 10.101.0.2
> table one.inet.0
>
>
>
> one.inet.0: 782 destinations, 970 routes (782 active, 0 holddown, 0 hidden)
>
>   Prefix                  Nexthop              MED     Lclpref    AS path
>
> * 10.144.2.4/30           Self                         100        I
>
> * 1.2.3.129/32         Self                         100        I
>
> * 1.2.3.130/31         Self                         100        I
>
> * 1.2.3.132/30         Self                         100        I
>
> * 1.2.3.136/29         Self                         100        I
>
> * 1.2.3.144/28         Self                         100        I
>
> * 1.2.3.160/27         Self                         100        I
>
> * 1.2.3.192/27         Self                         100        I
>
> * 1.2.3.224/28         Self                         100        I
>
> * 1.2.3.240/29         Self                         100        I
>
> * 1.2.3.248/30         Self                         100        I
>
> * 1.2.3.252/31         Self                         100        I
>
> * 1.2.3.254/32         Self                         100        I
>
>
>
>
>
> Aaron
>
>
>
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