[c-nsp] VFI LDP transport signaled down (ME3600x)

Ihsan Junaidi Ibrahim ihsan.junaidi at gmail.com
Thu May 10 00:00:12 EDT 2012


On PE1,

es-103-glsfb#sh xconnect rib  detail 

Local Router ID: 200.28.0.15

VPLS-ID: 9930:116, Target ID: 200.28.0.120
  iBGP Peer
  Next-Hop: 200.28.9.146
  Hello-Source: 200.28.0.15
  Route-Target: 9930:116
  Incoming RD: 9930:116
  Forwarder: VFI ME002555
  Provisioned: Yes
  NLRI handle: 69000001

PE2,

es-03-akhmw#sh xconnect rib detail 

Local Router ID: 200.28.0.120

VPLS-ID: 9930:116, Target ID: 200.28.0.15
  iBGP Peer
  Next-Hop: 200.28.2.242
  Hello-Source: 200.28.0.120
  Route-Target: 9930:116
  Incoming RD: 9930:116
  Forwarder: VFI ME002617
  Provisioned: Yes
  NLRI handle: 77000001

On May 10, 2012, at 10:40 AM, Pete Lumbis wrote:

> What do you see in "show xconn rib"?
> 
> On Wed, May 9, 2012 at 10:36 AM, Ihsan Junaidi Ibrahim
> <ihsan.junaidi at gmail.com> wrote:
>> Hi all,
>> 
>> My topology as follows:
>> 
>> PE1--P1--P2--P3--P4--P5--PE2
>> 
>> PE1 lo0 - 200.28.0.15 (15.2(2)S) loader 12.2(52r)EY1
>> PE2 lo0 - 200.28.0.120 (15.2(2)S) loader 12.2(52r)EY2
>> 
>> Are there specific nuances for an LDP signaled transport for EoMPLS and VPLS in the Whales platform?
>> 
>> An xconnect from PE1 to PE2 is signaled successfully however a VPLS instance based on BGP autodiscovery (manual VPLS works) is unable to bring up the LDP l2transport signal although the VFI is signaled up.
>> 
>> EoMPLS
>> ----
>> es-103-glsfb#sh xconnect peer 200.28.0.120 vc 5070
>> Legend:    XC ST=Xconnect State  S1=Segment1 State  S2=Segment2 State
>>  UP=Up       DN=Down            AD=Admin Down      IA=Inactive
>>  SB=Standby  HS=Hot Standby     RV=Recovering      NH=No Hardware
>> 
>> XC ST  Segment 1                         S1 Segment 2                         S2
>> ------+---------------------------------+--+---------------------------------+--
>> UP pri   ac Gi0/19:1(Ethernet)           UP mpls 200.28.0.120:5070            UP
>> 
>> es-103-glsfb#sh mpls l2transport vc 5070 detail
>> Local interface: Gi0/19 up, line protocol up, Ethernet:1 up
>>  Destination address: 200.28.0.120, VC ID: 5070, VC status: up
>>    Output interface: Te0/2, imposed label stack {298 16}
>>    Preferred path: not configured
>>    Default path: active
>>    Next hop: 200.28.2.242
>>  Create time: 02:10:43, last status change time: 02:08:57
>>  Signaling protocol: LDP, peer 200.28.0.120:0 up
>>    Targeted Hello: 200.28.0.15(LDP Id) -> 200.28.0.120, LDP is UP
>>    Status TLV support (local/remote)   : enabled/supported
>>      LDP route watch                   : disabled
>>      Label/status state machine        : established, LruRru
>>      Last local dataplane   status rcvd: No fault
>>      Last BFD dataplane     status rcvd: Not sent
>>      Last BFD peer monitor  status rcvd: No fault
>>      Last local AC  circuit status rcvd: No fault
>>      Last local AC  circuit status sent: No fault
>>      Last local LDP TLV     status sent: No fault
>>      Last remote LDP TLV    status rcvd: No fault
>>      Last remote LDP ADJ    status rcvd: No fault
>>    MPLS VC labels: local 17, remote 16
>>    Group ID: local 0, remote 0
>>    MTU: local 9178, remote 9178
>>    Remote interface description:
>>  Sequencing: receive disabled, send disabled
>>  Control Word: On (configured: autosense)
>>  Dataplane:
>>    SSM segment/switch IDs: 45083/8194 (used), PWID: 2
>>  VC statistics:
>>    transit packet totals: receive 24, send 21
>>    transit byte totals:   receive 2064, send 1344
>>    transit packet drops:  receive 0, seq error 0, send 0
>> 
>> VPLS
>> ----
>> es-103-glsfb#sh vfi
>> Legend: RT=Route-target, S=Split-horizon, Y=Yes, N=No
>> 
>> VFI name: ME002555, state: up, type: multipoint signaling: LDP
>>  VPN ID: 116, VPLS-ID: 9930:116
>>  RD: 9930:116, RT: 9930:116
>>  Bridge-Domain 116 attachment circuits:
>>    Vlan116
>>  Neighbors connected via pseudowires:
>>  Peer Address     VC ID        Discovered Router ID    S
>>  200.28.9.146     116          200.28.0.120            Y
>> 
>> es-103-glsfb#sh mpls l2transport vc 116 detail
>> Local interface: VFI ME002555 vfi up
>>  Interworking type is Ethernet
>>  Destination address: 200.28.0.120, VC ID: 116, VC status: down
>>    Last error: Local access circuit is not ready for label advertise
>>  Next hop PE address: 200.28.9.146
>>    Output interface: none, imposed label stack {}
>>    Preferred path: not configured
>>    Default path: no route
>>    No adjacency
>>  Create time: 02:07:55, last status change time: 02:07:55
>>  Signaling protocol: LDP, peer unknown
>>    Targeted Hello: 200.28.0.15(LDP Id) -> 200.28.9.146, LDP is DOWN, no binding
>>    Status TLV support (local/remote)   : enabled/None (no remote binding)
>>      LDP route watch                   : disabled
>>      Label/status state machine        : local standby, AC-ready, LnuRnd
>>      Last local dataplane   status rcvd: No fault
>>      Last BFD dataplane     status rcvd: Not sent
>>      Last BFD peer monitor  status rcvd: No fault
>>      Last local AC  circuit status rcvd: No fault
>>      Last local AC  circuit status sent: Not sent
>>      Last local LDP TLV     status sent: None
>>      Last remote LDP TLV    status rcvd: None (no remote binding)
>>      Last remote LDP ADJ    status rcvd: None (no remote binding)
>>    MPLS VC labels: local 23, remote unassigned
>>    AGI: type 1, len 8, 000A 26CA 0000 0074
>>    Local AII: type 1, len 4, DF1C 000F (200.28.0.15)
>>    Remote AII: type 1, len 4, DF1C 0078 (200.28.0.120)
>>    Group ID: local n/a, remote unknown
>>    MTU: local 9178, remote unknown
>>    Remote interface description:
>>  Sequencing: receive disabled, send disabled
>>  Control Word: On (configured: autosense)
>>  Dataplane:
>>    SSM segment/switch IDs: 0/0 (used), PWID: 14
>>  VC statistics:
>>    transit packet totals: receive 0, send 0
>>    transit byte totals:   receive 0, send 0
>>    transit packet drops:  receive 0, seq error 0, send 0
>> 
>> I'm getting the account team into the loop but if anyone has encountered this scenario before and managed to find the answer, that would be most helpful.
>> 
>> ihsan
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