[j-nsp] Hidden routes

[Fatih Dilivar]

Hi,
  While I was reading a document when your email received I read a
related paragragh and it says:
 Next hop type: Unusable & State: <Secondary Hidden Int Ext> indicates
together there is a lop between
routes for 192.168.155.80/28. So to figure out the problem you shoul
take hidden routes from 2 router and
maybe you can change the preferences.

B.R
Fatih

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of varaillon
Sent: Tuesday, September 25, 2007 4:06 PM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] Hidden routes

Hi,

I have a VRF between two M10 Juniper routers.

Juniper1====VRF====Juniper2

The Juniper2 router advertises a prefix (192.168.155.80/28) via BGP to
Juniper1.

This advertised route has the loopback (10.10.10.1) of Juniper2 as
next-hop in the BGP table of Juniper1.

Juniper1 has a route, learned via OSPF, to 10.10.10.1.

So, what am I missing and that route remains hidden in the Juniper1
router?

Also, what would be the meaning of "Next hop type: Unusable."?

--------------------------------------------
Juniper1# run show route hidden extensive

192.168.155.80/28 (1 entry, 0 announced)
  BGP    Preference: 170/-101
         Route Distinguisher: 65001:64702
         Next hop type: Unusable
         Next-hop reference count: 2
         State: <Secondary Hidden Int Ext>
         Local AS: 65001 Peer AS: 65001
         Age: 1:39:39    Metric: 0
         Task: BGP_65001. 10.10.10.1+11005
         AS path: ?
         Communities: target: 65001:64702
         VPN Label: 132
         Localpref: 100
         Router ID: 10.10.10.1
         Primary Routing Table bgp.l3vpn.0
         Indirect next hops: 1
              Protocol next hop: 10.10.10.1
              Push 132
              Indirect next hop: 0 -


Juniper1# run show route 217.69.0.11 detail

217.69.0.11/32 (1 entry, 1 announced)
 *OSPF   Preference: 10
    Next-hop reference count: 9
    Next hop: via e1-0/3/2.0, selected
    State: <Active Int Ext>
    Local AS: 16022
    Age: 2d 4:55:03         Metric: 500     Tag: 0
    Task: OSPF
    Announcement bits (5): 0-KRT 4-Aggregate 5-Resolve tree 2 6-IS-IS
8-LDP
   AS path: I
--------------------------------------------

Any comments would be greatly appreciated ;)

Thanks!

Christophe


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