[j-nsp] Managing MX480 fxp0

Serge Vautour sergevautour at yahoo.ca
Thu Jul 8 11:26:24 EDT 2010

Putting fxp0 in a LS works from a routing perspective but it breaks NSR & GRES - 
at least it does in 10.0R2. I have a JTAC case pending.


----- Original Message ----
From: Chen Jiang <ilovebgp4 at gmail.com>
To: Jim Devane <jdevane at switchnap.com>
Cc: "juniper-nsp at puck.nether.net" <juniper-nsp at puck.nether.net>
Sent: Thu, July 8, 2010 4:54:15 AM
Subject: Re: [j-nsp] Managing MX480 fxp0

You cannot put fxp0 into VRF but could put it into a logical system. And
logical system also have a seperate routing table other than inet.0.

On Thu, Jul 8, 2010 at 3:16 AM, Jim Devane <jdevane at switchnap.com> wrote:

> Hello,
> I need some ideas/help on a scenario I am sure comes up a lot but having
> problems with.
> I have an MX480. I want to be able to manage this MX from an internal
> (1918) network through the fxp0 port. The internal network is not flat but
> routed and there are several subnets which may contact the MX for
> management/polling. I was thinking/hoping to set up a VRF for this port and
> set routes/default route for the VRF to connect. It turns out I am not able
> to put fxp0 into a routing-instance. (errors on config checkout)
> So I put everything production in to a logical system leaving the fxp in
> the master instance and installing a default route for the master instance.
> This works, but now the MS-DPC will not export flows if it is in a logical
> system. So the logical system is out b/c the MS-DPC has to be in the master
> instance. But I can't but the fxp0 into a logical/routing instance.
> What is the BCP/recommended method for managing this box if fxp0 is not a
> "public" routed interface?
> Unfortunately, I don't have another port to place into a VRF besides the
> fxp0 (all other ports are 10G)
> Thanks for any help/ideas!
> Jim
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> juniper-nsp mailing list juniper-nsp at puck.nether.net
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          James Chen
juniper-nsp mailing list juniper-nsp at puck.nether.net

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