How do you determine why a route is hidden??

IOS2JUNOS

from the following output..i don't see any obivous reason

[EMAIL="root@r3"]root@r3[/EMAIL]# run show route hidden detail
inet.0: 77 destinations, 86 routes (75 active, 0 holddown, 2 hidden)
172.17.0.0/16 (1 entry, 0 announced)
BGP /-101
Next hop type: Router, Next hop index: 431
Next-hop reference count: 1
Source: 172.16.0.14
Next hop: 172.16.0.14 via lt-0/0/0.1, selected
State: <Hidden Ext>
Local AS: 65000 Peer AS: 65222
Age: 6:29:53
Task: BGP_65222.172.16.0.14+179
AS path: 65222 I
Communities: 65412:101
Localpref: 100
Router ID: 172.16.0.14
220.0.0.0/28 (1 entry, 0 announced)
BGP /-101
Next hop type: Router, Next hop index: 438
Next-hop reference count: 9
Source: 172.16.0.18
Next hop: 172.16.0.18 via ge-0/0/2.0, selected
State: <Hidden Ext>
Local AS: 65000 Peer AS: 65222
Age: 6:29:50
Task: BGP_65222.172.16.0.18+179
AS path: 65222 I
Localpref: 100
Router ID: 172.16.0.18

froggy3132000

Lets see a

show route table inet.0 172.17.0.0/16 extensive

IOS2JUNOS

[EMAIL="root@r3"]root@r3[/EMAIL]# run show route table inet.0 172.17.0.0/16 extensive hidden
inet.0: 79 destinations, 88 routes (77 active, 0 holddown, 2 hidden)
172.17.0.0/16 (1 entry, 0 announced)
BGP /-101
Next hop type: Router, Next hop index: 431
Next-hop reference count: 1
Source: 172.16.0.14
Next hop: 172.16.0.14 via lt-0/0/0.1, selected
State: <Hidden Ext>
Local AS: 65000 Peer AS: 65222
Age: 18:26:21
Task: BGP_65222.172.16.0.14+179
AS path: 65222 I
Communities: 65412:101
Localpref: 100
Router ID: 172.16.0.14
[edit protocols ospf]
[EMAIL="root@r3"]root@r3[/EMAIL]# run show route table inet.0 172.17.0.0/16 extensive
inet.0: 79 destinations, 88 routes (77 active, 0 holddown, 2 hidden)
[edit protocols ospf]

Aldur

what does 'show route resolution unresolved detail' give?

hasan1507

show route hidden extensive
show route resolution unresolved detail

these command can get you required information

IOS2JUNOS

hasan1507 wrote: »

show route hidden extensive
show route resolution unresolved detail

these command can get you required information

[EMAIL="root@r3"]root@r3[/EMAIL]# run show route resolution unresolved detail
Tree Index 1
[edit protocols ospf]

[EMAIL="oot@r3"]oot@r3[/EMAIL]# run show route hidden extensive
inet.0: 79 destinations, 88 routes (77 active, 0 holddown, 2 hidden)
172.17.0.0/16 (1 entry, 0 announced)
BGP /-101
Next hop type: Router, Next hop index: 431
Next-hop reference count: 1
Source: 172.16.0.14
Next hop: 172.16.0.14 via lt-0/0/0.1, selected
State: <Hidden Ext>
Local AS: 65000 Peer AS: 65222
Age: 1d 18:59:41
Task: BGP_65222.172.16.0.14+179
AS path: 65222 I
Communities: 65412:101
Localpref: 100
Router ID: 172.16.0.14
220.0.0.0/28 (1 entry, 0 announced)
BGP /-101
Next hop type: Router, Next hop index: 438
Next-hop reference count: 9
Source: 172.16.0.18
Next hop: 172.16.0.18 via ge-0/0/2.0, selected
State: <Hidden Ext>
Local AS: 65000 Peer AS: 65222
Age: 1d 18:59:38
Task: BGP_65222.172.16.0.18+179
AS path: 65222 I
Localpref: 100
Router ID: 172.16.0.18

RabeenZhu

My guess:
Issue of route recursion.
for example:
your route's next-hop is reachable by some kind of default route, the recusive next-hop is 172.16.0.14,
but for 172.16.0.14 the next-hop route is "your route"--172.17.0.0/16, not the default route.

this kind of route will be hidden.

IOS2JUNOS

RabeenZhu wrote: »

My guess:
Issue of route recursion.
for example:
your route's next-hop is reachable by some kind of default route, the recusive next-hop is 172.16.0.14,
but for 172.16.0.14 the next-hop route is "your route"--172.17.0.0/16, not the default route.

this kind of route will be hidden.

Thanks!!

chongch01

Appreciate if someone can give further explaination + solutions
Thanks

chongch01

em ....... maybe this is the nature of it ....

advertised a null static route can solve the problem ...