[j-nsp] mpls node-protection: LSP down

[Mihai Gabriel]

This is the topology:
http://img52.imageshack.us/img52/5512/avpn.png

Sorry

On Fri, Aug 10, 2012 at 11:57 AM, Mihai Gabriel <mihaigabriel at gmail.com>wrote:

> Hello,
>
>  I am trying to test the node-protection feature in a lab using an MX5
> router with logical-systems and I can't find the reason why is not
> working.The topology I use is here:
> http://imageshack.us/photo/my-images/849/avpn.png/
> All routers are configured for mls,rsvp,ospf,link-protection, but when I
> disable the interface between P1 and PE1, the LSP between PE1 and PE2 goes
> down and stay that way:
>
> Before disabling the interface:
>
> mumulox at mx5t> show mpls lsp logical-system PE1 extensive
> Ingress LSP: 1 sessions
>
> 192.168.1.2
>   From: 192.168.1.1, State: Up, ActiveRoute: 0, LSPname: pe1-to-pe2
>   ActivePath: strict-path (primary)
>   Node/Link protection desired
>   LSPtype: Static Configured
>   LoadBalance: Random
>   Encoding type: Packet, Switching type: Packet, GPID: IPv4
>   Revert timer: 1
>  *Primary   strict-path      State: Up
>     Priorities: 7 0
>     OptimizeTimer: 1
>     SmartOptimizeTimer: 2
>     Received RRO (ProtectionFlag 1=Available 2=InUse 4=B/W 8=Node
> 10=SoftPreempt 20=Node-ID):
>           192.168.5.1(flag=0x29) 172.22.210.2(flag=9 Label=301600)
> 192.168.5.2(flag=0x29) 172.22.201.2(flag=9 Label=301472)
> 192.168.5.3(flag=0x21) 172.22.206.2(flag=1 Label=301200)
> 192.168.1.2(flag=0x20) 172.22.212.1(Label=3)
>
> mumulox at mx5t> show mpls path strict-path logical-system PE1
> Path name                        Address         strict/loose if-id
> strict-path                      172.22.210.2    strict<empty>
>
> mumulox at mx5t> show rsvp session logical-system PE1
> Ingress RSVP: 2 sessions
> To              From            State   Rt Style Labelin Labelout LSPname
> 192.168.1.2     192.168.1.1     Up       0  1 SE       -   301600
> pe1-to-pe2
> 192.168.5.2     192.168.1.1     Up       0  1 SE       -   301296
> Bypass->172.22.210.2->172.22.201.2
> Total 2 displayed, Up 2, Down 0
>
> mumulox at mx5t> show route table inet.3 logical-system PE1 192.168.1.2
> extensive
>
> inet.3: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
> 192.168.1.2/32 (1 entry, 1 announced)
>         State: <FlashAll>
>         *RSVP   Preference: 7/1
>                 Next hop type: Router, Next hop index: 1048577
>                 Address: 0x2c74010
>                 Next-hop reference count: 7
>                 Next hop: 172.22.210.2 via ge-1/1/7.100 weight 0x1,
> selected
>                 Label-switched-path pe1-to-pe2
>                 Label operation: Push 301600
>                 Label TTL action: prop-ttl
>                 Next hop: 172.22.211.2 via ge-1/1/7.104 weight 0x8001
>                 Label-switched-path Bypass->172.22.210.2->172.22.201.2
>                 Label operation: Push 301472, Push 301296(top)
>                 Label TTL action: prop-ttl, prop-ttl(top)
>                 State: <Active Int>
>                 Local AS: 65512
>                 Age: 4:33 Metric: 4
>                 Task: RSVP
>                 Announcement bits (1): 1-Resolve tree 1
>                 AS path: I
>
> After disabling the interface:
>
> mumulox at mx5t> show mpls lsp extensive logical-system PE1
> Ingress LSP: 1 sessions
>
> 192.168.1.2
>   From: 192.168.1.1, State: Dn, ActiveRoute: 0, LSPname: pe1-to-pe2
>   ActivePath: (none)
>   Node/Link protection desired
>   LSPtype: Static Configured
>   LoadBalance: Random
>   Encoding type: Packet, Switching type: Packet, GPID: IPv4
>   Revert timer: 1
>   Primary   strict-path      State: Dn
>     Priorities: 7 0
>     OptimizeTimer: 1
>     SmartOptimizeTimer: 2
>    199 Aug 10 12:04:44.607 Deselected as active
>    198 Aug 10 12:04:44.607 172.22.205.1: Non-RSVP capable router detected
>    197 Aug 10 12:04:44.607 Link-protection Down
>    196 Aug 10 12:04:44.606 Session preempted
>    195 Aug 10 12:04:44.504 172.22.210.1: Tunnel local repaired
>    194 Aug 10 12:04:44.504 172.22.210.1: Down
>
> "198 Aug 10 12:04:44.607 172.22.205.1: Non-RSVP capable router detected"
> seems to be very clear,but it is not, because all routers are rsvp enabled
>
> mumulox at mx5t> show rsvp neighbor logical-system P2
> RSVP neighbor: 3 learned
> Address            Idle Up/Dn LastChange HelloInt HelloTx/Rx MsgRcvd
> 172.22.201.1          0 13/12      23:49        1 84288/84248 2908
> 172.22.206.2          0  1/0  2d 20:02:20        1 92707/92707 4944
> 172.22.205.2          0  1/0  2d 18:30:33        1 92114/92114 6789
>
> Any advice?
>
> Thanks
>