[j-nsp] mx-class units now advertisement management interface networks in BGP

Doug Hanks dhanks at juniper.net
Thu Sep 27 15:11:37 EDT 2012

So I guess the million dollar question is what does your BGP export policy
look like?

Reply-all with:

- show protocols bgp
- show policy-options policy-statement <whatever is being used as an
export BGP policy>

On 9/27/12 10:49 AM, "Jo Rhett" <jrhett at netconsonance.com> wrote:

>I don't know when Juniper broke this, but I was chasing down a different
>problem earlier this week and discovered that our Juniper MX80s are
>advertising the fxp0 interface's network in BGP announcements. My testing
>seems to indicate that it still won't accept packets on other interfaces
>for this network, so the historical nature of fxp0 seems to remain the
>same. This means it is clearly a bug in the announcements.
>It was a bit surprising to find such a rookie mistake coming from
>Juniper, but sadder still is the two days of back and forth I've had to
>do with Juniper on this topic. They really don't understand BGP at all.
>   1. Who cares it won't be used by this unit.
>    ---um, yeah, I care about the other units receiving it.
>   2. Filter it on all recipients.
>        --sure, let's go ask this of all our peers, instead of fixing the
>   3. Send me a capture of the announcement from the source
>    --right, because output from another router showing it on the
>received routes from this unit isn't conclusive.
>   4. Send me the arp table from the unit
>    --okay, I'm not even going to dignify this with a response.
>So, not even that long ago, I would have argued that it's worth paying
>more for Juniper gear just because the technical support response was
>more coherent and useful when a bug was found. Juniper seems to have
>eroded that completely away now. After two days on this topic I could
>have gotten a bug fix out of Cisco. At this point Juniper hasn't even
>started the grasp the nature of the problem. This really isn't a good
>Jo Rhett
>Net Consonance : net philanthropy to improve open source and internet
>juniper-nsp mailing list juniper-nsp at puck.nether.net

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