[j-nsp] next-hop driving me crazy

[Eric Krichbaum]

Thanks everyone.  The policy straight to discard works for me, just annoyed
me.  I really didn't want to apply a knob (similar to the disable connected
check on cisco) to do it.  Trying to make these policies the same has proven
an interesting exercise and at least now I am aware of the knobs to make it
do the other.

Eric


-----Original Message-----
From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of
David Waldman
Sent: Friday, April 26, 2013 10:59 AM
To: Tim Vollebregt
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] next-hop driving me crazy

Eric.  eBGP single hop will not let you change the NH by default.  You can
use the following knob to override this behavior:

protocols {
    bgp {
        log-updown;
        group TRIGGER {
            accept-remote-nexthop;

This can be applied @ proto group or neighbor.  See
http://www.juniper.net/techpubs/software/junos/junos94/swconfig-routing/acce
pt-remote-nexthop.html
for
more info.

Regards.

david


On Fri, Apr 26, 2013 at 10:35 AM, Tim Vollebregt <tim at interworx.nl> wrote:

> Hi Eric,
>
> Works fine here, as you configured it.
> Can you reply your inbound route-policy and the show route x.x.x.x/32 
> extensive?
>
> Thanks.
>
> Tim
>
> On 26-04-13 15:36, Eric Krichbaum wrote:
>
>> This should be simple but I can't get the behavior I want.
>>
>> Blackhole scenario.  Customer set community, I want to see that 
>> community and set next-hop to an address I have with a discard.  I've 
>> tried both a discard interface and a basic static route.  Those seem ok
either way.
>>
>> set routing-options static route 192.0.2.1/32 discard
>>
>> Route comes in and is accepted by policy.  With no next-hop 192.0.2.1 
>> action, I see it as a valid route so I know the policy is happening.
>>  When I
>> add the next-hop action, the route becomes "Next hop type: Unusable" 
>> with "Inactive reason: Unusable path".  I don't see anything special 
>> about this and what I translated from my cisco versions doesn't look 
>> all that different from various black hole presentations I find.
>>
>> Anyone have a magic answer?
>>
>> Thanks,
>> Eric
>>
>>
>>
>> ______________________________**_________________
>> juniper-nsp mailing list juniper-nsp at puck.nether.net 
>> https://puck.nether.net/**mailman/listinfo/juniper-nsp<https://puck.n
>> ether.net/mailman/listinfo/juniper-nsp>
>>
>
> ______________________________**_________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net 
> https://puck.nether.net/**mailman/listinfo/juniper-nsp<https://puck.ne
> ther.net/mailman/listinfo/juniper-nsp>
>
_______________________________________________
juniper-nsp mailing list juniper-nsp at puck.nether.net
https://puck.nether.net/mailman/listinfo/juniper-nsp