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[URGENT] NEED HELP L2VPN MPLS IOS XR

axelhauguel
Level 1
Level 1

Hi all,

I have 2 NCS-5501-SE router and I would like to configure MPLS to have L2VPN working, for a migration, tomorrow...

Currently, I have : 

- OSPF configured in both sides, and it send /32 IP of loopback

- MPLS LDP neighbor seem UP

- L2VPN circuit is down

 

# Router TH2

 

interface Loopback0
 description "TH2 - MPLS"
 ipv4 address 45.13.119.156 255.255.255.255
!
interface HundredGigE0/0/1/3
 description "L2 : Telehouse 2 - DC2SCALE PAR2 [100G]"
!
interface HundredGigE0/0/1/3.200
 ipv4 address 100.100.0.0 255.255.255.254
 ipv6 nd suppress-ra
 encapsulation dot1q 200
!
interface HundredGigE0/0/1/3.998 l2transport
 encapsulation dot1q 998
!

router ospf DC2SCALE_PAR2
 router-id 45.13.119.156
 cost 200
 authentication message-digest
 mpls ldp auto-config
 redistribute connected
 area 1
  message-digest-key 1 md5 encrypted XXXX
  interface HundredGigE0/0/1/3.200
  !
 !
!

l2vpn
 pw-class test1
  encapsulation mpls
   transport-mode ethernet
  !
 !
 xconnect group test
  p2p test
   interface HundredGigE0/0/1/3.998
   neighbor ipv4 100.100.0.1 pw-id 999
    pw-class test1
   !
  !
 !
!

mpls ldp
 router-id 45.13.119.156
 address-family ipv4
 !
 interface HundredGigE0/0/1/3.200
 !
!


=== Result ===
RP/0/RP0/CPU0:core01.th2#show mpls ldp neighbor 
Sun Jan 28 10:05:51.046 UTC

Peer LDP Identifier: 45.13.119.157:0
  TCP connection: 45.13.119.157:51726 - 45.13.119.156:646
  Graceful Restart: No
  Session Holdtime: 180 sec
  State: Oper; Msgs sent/rcvd: 73/98; Downstream-Unsolicited
  Up time: 00:19:59
  LDP Discovery Sources:
    IPv4: (1)
      HundredGigE0/0/1/3.200
    IPv6: (0)
  Addresses bound to this peer:
    IPv4: (39)
      2.57.253.87    37.49.238.14   45.13.119.1    45.13.119.129  
      45.13.119.145  45.13.119.152  45.13.119.154  45.13.119.157  
      45.13.119.161  45.13.119.193  45.13.119.225  45.13.119.241  
      45.152.70.1    45.154.96.1    81.28.252.1    100.64.77.5    
      100.64.78.5    100.64.84.6    100.64.85.6    100.64.86.6    
      100.64.87.6    100.64.88.6    100.64.89.6    100.64.90.7    
      100.64.91.6    100.64.92.6    100.64.93.6    100.64.94.6    
      100.64.101.129  100.100.0.1    163.5.83.1     163.5.142.1    
      163.5.160.0    185.171.202.1  193.105.29.19  193.105.29.21  
      193.178.0.37   193.201.149.133  194.147.5.1    
    IPv6: (0)

RP/0/RP0/CPU0:core01.th2#


RP/0/RP0/CPU0:core01.th2#show l2vpn xconnect pw-id 999 detail 
Sun Jan 28 10:06:11.096 UTC

Group test, XC test, state is down; Interworking none
  AC: HundredGigE0/0/1/3.998, state is up
    Type VLAN; Num Ranges: 1
    Rewrite Tags: []
    VLAN ranges: [998, 998]
    MTU 1504; XC ID 0x1; interworking none
    Statistics:
      packets: received 0, sent 0
      bytes: received 0, sent 0
      drops: illegal VLAN 0, illegal length 0
  PW: neighbor 100.100.0.1, PW ID 999, state is down ( provisioned )
    PW class test1, XC ID 0xc0000001
    Encapsulation MPLS, protocol LDP
    Source address 45.13.119.156
    PW type Ethernet, control word disabled, interworking none
    PW backup disable delay 0 sec
    Sequencing not set
    Ignore MTU mismatch: Disabled
    Transmit MTU zero: Disabled
    LSP : Down
    Load Balance Hashing: src-dst-ip

    PW Status TLV in use
      MPLS         Local                          Remote                        
      ------------ ------------------------------ -----------------------------
      Label        24041                          unknown                       
      Group ID     0x8                            unknown                       
      Interface    HundredGigE0/0/1/3.998         unknown                       
      MTU          1504                           unknown                       
      Control word disabled                       unknown                       
      PW type      Ethernet                       unknown                       
      VCCV CV type 0x2                            0x0                           
                                                  (none)                        
                   (LSP ping verification)                                      
      VCCV CC type 0x6                            0x0                           
                                                  (none)                        
                   (router alert label)                                         
                   (TTL expiry)                                                 
      ------------ ------------------------------ -----------------------------
    MIB cpwVcIndex: 3221225473
    Create time: 28/01/2024 09:55:25 (00:10:45 ago)
    Last time status changed: 28/01/2024 09:55:25 (00:10:45 ago)
    Statistics:
      packets: received 0, sent 0
      bytes: received 0, sent 0
RP/0/RP0/CPU0:core01.th2#

 

 

# Router Velizy1

 

 

interface Loopback0
 description "TH2 - MPLS"
 ipv4 address 45.13.119.157 255.255.255.255

interface Bundle-Ether2.999 l2transport
 encapsulation dot1q 101
!

interface Bundle-Ether2.200
 description "L2 : Telehouse 2 - DC2SCALE PAR2 [100G]"
 ipv4 address 100.100.0.1 255.255.255.254
 ipv6 nd suppress-ra
 encapsulation dot1q 200


router ospf TH2
 router-id 45.13.119.158
 cost 200
 authentication message-digest
 mpls ldp auto-config
 redistribute connected
 area 1
  message-digest-key 1 md5 encrypted XXXX
  route-policy RPL-DROP-DEFAULT-ROUTE in
  interface Bundle-Ether2.200
  !
 !
!

l2vpn
xconnect group test
  p2p test
   interface Bundle-Ether2.999
   neighbor ipv4 100.100.0.0 pw-id 999
    pw-class test1
   !
  !
 !


mpls ldp
 router-id 45.13.119.157
 address-family ipv4
 !        
 interface Bundle-Ether2.200
 !
!

=== Result ===

RP/0/RP0/CPU0:core01.par2#show mpls ldp neighbor 
Sun Jan 28 11:12:25.710 CET

Peer LDP Identifier: 45.13.119.156:0
  TCP connection: 45.13.119.156:646 - 45.13.119.157:51726
  Graceful Restart: No
  Session Holdtime: 180 sec
  State: Oper; Msgs sent/rcvd: 102/77; Downstream-Unsolicited
  Up time: 00:23:13
  LDP Discovery Sources:
    IPv4: (1)
      Bundle-Ether2.200
    IPv6: (0)
  Addresses bound to this peer:
    IPv4: (2)
      45.13.119.156  100.100.0.0    
    IPv6: (0)

RP/0/RP0/CPU0:core01.par2#


RP/0/RP0/CPU0:core01.par2#show l2vpn xconnect pw-id 999 detail 
Sun Jan 28 11:12:38.651 CET

Group test, XC test, state is down; Interworking none
  AC: Bundle-Ether2.999, state is up
    Type VLAN; Num Ranges: 1
    Rewrite Tags: []
    VLAN ranges: [101, 101]
    MTU 1504; XC ID 0xa0000003; interworking none
    Statistics:
      packets: received 2205, sent 0
      bytes: received 171148, sent 0
      drops: illegal VLAN 0, illegal length 0
  PW: neighbor 100.100.0.0, PW ID 999, state is down ( provisioned )
    PW class test1, XC ID 0xc0000002
    Encapsulation MPLS, protocol LDP
    Source address 45.13.119.157
    PW type Ethernet, control word disabled, interworking none
    PW backup disable delay 0 sec
    Sequencing not set
    Ignore MTU mismatch: Disabled
    Transmit MTU zero: Disabled
    LSP : Down
    Load Balance Hashing: src-dst-ip

    PW Status TLV in use
      MPLS         Local                          Remote                        
      ------------ ------------------------------ -----------------------------
      Label        24032                          unknown                       
      Group ID     0x20008014                     unknown                       
      Interface    Bundle-Ether2.999              unknown                       
      MTU          1504                           unknown                       
      Control word disabled                       unknown                       
      PW type      Ethernet                       unknown                       
      VCCV CV type 0x2                            0x0                           
                                                  (none)                        
                   (LSP ping verification)                                      
      VCCV CC type 0x6                            0x0                           
                                                  (none)                        
                   (router alert label)                                         
                   (TTL expiry)                                                 
      ------------ ------------------------------ -----------------------------
    MIB cpwVcIndex: 3221225474
    Create time: 28/01/2024 10:58:52 (00:13:46 ago)
    Last time status changed: 28/01/2024 10:58:52 (00:13:46 ago)
    Statistics:
      packets: received 0, sent 2205
      bytes: received 0, sent 171148
RP/0/RP0/CPU0:core01.par2#

 

 

Anyone can help me to have this working quickly please?

 

Thank you and really appreciated! I'm probably missing something

3 RÉPONSES 3

axelhauguel
Level 1
Level 1

bad ip using in xconnect neighbor.

 

I am going to bed again

Bonjour @axelhauguel 

Plus de soucis alors ?

Best regards
.ı|ı.ı|ı. If This Helps, Please Rate .ı|ı.ı|ı.

Jerems
Spotlight
Spotlight

Effectivement le LSP Down indiquait que le path MPLS comportait un souci.

LSP : Down