[j-nsp] Optimizing the FIB on MX

[Alexander Marhold]

Hi Chuck !

Followed with interest the problem and especially your solution and I have
looked into the docu BUT:

DOCU says:
" Before you begin:

    Configure the device interfaces.
    Configure OSPF or any other IGP protocol.
    Configure MPLS and LDP.     <---------------------------------- REALLY
????????????????
    Configure BGP.
"

Why do you need to enable MPLS and LDP for PIC ?????

IMHO this is a documentation error , or do I miss something ?

Regarding you suggestion of using it in a routing instance with version
<15.1 I am not sure if that works as documentation says that it only works
for vpnv4-BGP routes

DOCU says
"Before you begin:

    Configure LDP.
    Configure an IGP, either OSPF or IS-IS.
    Configure a Layer 3 VPN.
    Configure multiprotocol BGP for either an IPv4 VPN or an IPv6 VPN.
<---------------- nthis seems to be a restriction regarding your proposed
solution
"

Any more info on that available ?

Regards

alexander

-----Ursprüngliche Nachricht-----
Von: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] Im Auftrag von
Chuck Anderson
Gesendet: Mittwoch, 17. Februar 2016 21:19
An: juniper-nsp at puck.nether.net
Betreff: Re: [j-nsp] Optimizing the FIB on MX

On Wed, Feb 17, 2016 at 08:51:23PM +0100, Vincent Bernat wrote:
> Being a bit unsatisfied with a pair of MX104 turning themselves as a 
> blackhole during BGP convergence, I am trying to reduce the size of 
> the FIB.
> 
> I am in a simple situation: one upstream on each router, an iBGP 
> session between the two routers. I am also receiving a default route 
> along the full feed.

Can you use Junos 15.1?  Try this:

http://www.juniper.net/techpubs/en_US/junos15.1/topics/concept/use-case-for-
bgp-pic-for-inet-inet6-lu.html
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