[j-nsp] RSVP--- BGP

[Ahmad Alhady]

Hi all, please help me solving this issue,,,,

I made a RSVP LSP between R1 and R7 which are in diffrent ISIS areas!!, 
I didnt disable the CSPF!!
and the LSP came UP!!!


root# show 
label-switched-path r1-r7 {
    to 10.0.9.7;
    bandwidth 10m;
}
interface all;


[edit logical-routers R1 protocols mpls]
root# run show rsvp session logical-router R1          
Ingress RSVP: 1 sessions
To              From            State   Rt Style Labelin Labelout LSPname 
10.0.9.7        10.0.6.1        Up       0  1 FF       -   100000 r1-r7
Total 1 displayed, Up 1, Down 0


!!!!


root# run show route 10.0.9.7 logical-router R1    

10.0.0.0/16        *[BGP/170] 00:00:08, localpref 100, from 10.0.3.3
                      AS path: I
                    > to 10.0.4.13 via fxp1.13
                    [BGP/170] 00:00:08, localpref 100, from 10.0.3.4
                      AS path: I
                    > to 10.0.4.17 via fxp1.14

inet.3: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

10.0.9.7/32        *[RSVP/7] 00:01:08, metric 10
                    > to 10.0.4.13 via fxp1.13, label-switched-path r1-r7

[edit logical-routers]
root# 



I checked the IGP route to R7 lo, I found that R1 is using a BGP route advertised by R3....



after I delete the advertising for this aggregate route from R3,, so R1 is using default route
I found that LSP came down ......

root# run show route 10.0.9.7 logical-router R1   

inet.0: 61 destinations, 85 routes (59 active, 0 holddown, 2 hidden)
+ = Active Route, - = Last Active, * = Both

0.0.0.0/0          *[IS-IS/15] 01:44:05, metric 10
                    > to 10.0.4.13 via fxp1.13
                      to 10.0.4.17 via fxp1.14
                    [BGP/170] 00:23:03, localpref 100, from 10.0.3.3
                      AS path: 65222 I
                    > to 10.0.4.13 via fxp1.13
                      to 10.0.4.17 via fxp1.14


[edit logical-routers]
root# 





root# run show rsvp session logical-router R1   
Ingress RSVP: 0 sessions
Total 0 displayed, Up 0, Down 0

Egress RSVP: 0 sessions
Total 0 displayed, Up 0, Down 0

Transit RSVP: 0 sessions
Total 0 displayed, Up 0, Down 0


root# run show rsvp session logical-router R1          
Ingress RSVP: 1 sessions
To              From            State   Rt Style Labelin Labelout LSPname 
10.0.9.7        10.0.6.1        Up       0  1 FF       -   100016 r1-r7
Total 1 displayed, Up 1, Down 0

Egress RSVP: 0 sessions
Total 0 displayed, Up 0, Down 0

Transit RSVP: 0 sessions
Total 0 displayed, Up 0, Down 0

[edit logical-routers]
root# 

root# run show mpls lsp extensive logical-router R1 
Ingress LSP: 1 sessions

10.0.9.7
  From: 10.0.6.1, State: Dn, ActiveRoute: 0, LSPname: r1-r7
  ActivePath: (none)
  LoadBalance: Random
  Encoding type: Packet, Switching type: Packet, GPID: IPv4
  Primary                    State: Dn
    Bandwidth: 10Mbps
    SmartOptimizeTimer: 180
    Will be enqueued for recomputation in 4 second(s).
    1 Dec 20 12:41:25.876 CSPF failed: no route toward 10.0.9.7
  Created: Sat Dec 20 12:41:25 2008
Total 1 displayed, Up 0, Down 1


after disabling no-cspf
 "set R1 protocols mpls label-switched-path r1-r7 no-cspf"

The LSP came UP again


root# run show rsvp session logical-router R1    
Ingress RSVP: 1 sessions
To              From            State   Rt Style Labelin Labelout LSPname 
10.0.9.7        10.0.6.1        Up       0  1 FF       -   100016 r1-r7
Total 1 displayed, Up 1, Down 0


so , my Q is should TE use BGP to go for last hop!!!!!!!


Thanks

Ahmad