[j-nsp] L2circuit martini issue....!

[Alex]

If Your Client routers support it, FREEK (acronym for Frame-Relay End-to-End 
Keepalive) may be what You are looking for...
Cheers
Alex

----- Original Message ----- 
From: "FAHAD ALI KHAN" <fahad.alikhan at gmail.com>
To: "juniper-nsp" <juniper-nsp at puck.nether.net>
Sent: Monday, January 15, 2007 9:48 AM
Subject: [j-nsp] L2circuit martini issue....!


Guys....!

I have got stuck in a issue regarding MPLS L2circuit (Martini). Here is my
scenario,


L2cct (Martini) has been configured between two MPLS Nodes. Client Site A is
connected directly over E1 at MPLS Node (M10i) and Client Site B is
connected to Frame Relay Switch (New Bridge 3600) over E1 where its DLCI
sync. It then extended to second MPLS Node over FR-NNI (E1). Refer to below
mention diagram,

                                                        __
____________________

                                                        |    ( L2circuit
Martini)       |

CE – FR Switch – (FR-NNI over E1) – M10i ------------------------- M10i – CE



Client is UP and running successfully.



**

*MPLS Node - B*



*show interfaces ds-1/1/2:1.0 *

 Logical interface ds-1/1/2:1.0 (Index 121) (SNMP ifIndex 156)

    Description: *** Client X SITE B ***

    Flags: Point-To-Point SNMP-Traps Encapsulation: FR-CCC

  Input packets : 47743200

  Output packets: 43623195

    Protocol ccc, MTU: 1504

      Flags: None

    *DLCI 152*

     * Flags: Active, DCE-Configured*

      Total down time: 53:49:06 sec, Last down: 01:34:06 ago

      Input packets : 47743200

      Output packets: 43623195



*show l2circuit connections*

Neighbor: A.B.C.D

*Interface                 Type  St     Time last up          # Up trans*

*ds-1/1/2:1.0{vc 152)      rmt   Up     Dec 26 08:32:09 2006           1*

*Local interface: ds-1/1/2:1.0, Status: Up* , Encapsulation: FRAME RELAY

Remote PE: W.X.Y.Z, Negotiated control-word: Yes (Null)

Incoming label: 102320, Outgoing label: 155888



*MPLS Node - A*



show interfaces e1-1/1/9.0

 Logical interface e1-1/1/9.0 (Index 121) (SNMP ifIndex 152)

    Description: *** Client X SITE A ***

    Flags: Point-To-Point SNMP-Traps Encapsulation: FR-CCC

  Input packets : 477432

  Output packets: 43623

    Protocol ccc, MTU: 1504

      Flags: None

    *DLCI 152*

     * Flags: Active, DCE-Configured*

      Total down time: 53:49:06 sec, Last down: 01:34:06 ago

      Input packets : 477432

      Output packets: 43623



*show l2circuit connections*

Neighbor: W.X.Y.Z

*Interface                 Type  St     Time last up          # Up trans*

*e1-1/1/9.0{vc 152)      rmt    Up     Dec 26 08:32:09 2006           1*

*Local interface: e1-1/1/9.0, Status: Up, *Encapsulation: FRAME RELAY

Remote PE: A.B.C.D, Negotiated control-word: Yes (Null)

Incoming label: 102320, Outgoing label: 155888



*Problem:*



When Client SITE B goes down (due to lastmile failure), FR Node make the
DLCI inactive and signals to M10i to force the DLCI down. But at M10i only
DLCI goes down not CCC which causes l2circuit to remain UP and SITE A get
the L2circuit UP, if its other SITE is down. If client have a backup link
between these sites than Site A router will not trigger for backup link.



*MPLS Node - B*



*show interfaces ds-1/1/2:1.0 *

Logical interface ds-1/1/2:1.0 (Index 121) (SNMP ifIndex 156)

    Description: *** Client X SITE B ***

    Flags: Point-To-Point SNMP-Traps Encapsulation: FR-CCC

  Input packets : 47743200

  Output packets: 43623195

    Protocol ccc, MTU: 1504

      Flags: None

*    DLCI 152*

*      Flags: Down, DCE-Configured*

      Total down time: 53:49:06 sec, Last down: 01:34:06 ago

      Input packets : 47743200

      Output packets: 43623195

**

* *

**

*show l2circuit connections*

Neighbor: A.B.C.D

*Interface                 Type  St     Time last up          # Up trans*

*ds-1/1/2:1.0{vc 152)      rmt   Up     Dec 26 08:32:09 2006           1*

*Local interface: ds-1/1/2:1.0, Status: Up* , Encapsulation: FRAME RELAY

Remote PE: W.X.Y.Z, Negotiated control-word: Yes (Null)

Incoming label: 102320, Outgoing label: 155888



*MPLS Node - A*



*show interfaces e1-1/1/9.0*

 Logical interface e1-1/1/9.0 (Index 121) (SNMP ifIndex 152)

    Description: *** Client X SITE A ***

    Flags: Point-To-Point SNMP-Traps Encapsulation: FR-CCC

  Input packets : 477432

  Output packets: 43623

    Protocol ccc, MTU: 1504

      Flags: None

    *DLCI 152*

     * Flags: Active, DCE-Configured*

      Total down time: 53:49:06 sec, Last down: 01:34:06 ago

      Input packets : 477432

      Output packets: 43623



*show l2circuit connections*

Neighbor: W.X.Y.Z

*Interface                 Type  St     Time last up          # Up trans*

*e1-1/1/9.0{vc 152)      rmt    Up     Dec 26 08:32:09 2006           1*

*Local interface: e1-1/1/9.0, Status: Up* , Encapsulation: FRAME RELAY

Remote PE: A.B.C.D, Negotiated control-word: Yes (Null)

Incoming label: 102320, Outgoing label: 155888



My Question:

*Why L2circuit is not down, if FR node signal to down the DLCI? This signal
not causes CCC to down. or Is there any way to reflect DLCI down to far end
CE? *
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