R1-------->P-------->P------>R8 R1 Configuration:- root@R1> show l2circuit connections Layer-2 Circuit Connections: Legend for connection status (St) EI -- encapsulation invalid NP -- interface h/w not present MM -- mtu mismatch Dn -- down EM -- encapsulation mismatch VC-Dn -- Virtual circuit Down CM -- control-word mismatch Up -- operational VM -- vlan id mismatch CF -- Call admission control failure OL -- no outgoing label IB -- TDM incompatible bitrate NC -- intf encaps not CCC/TCC TM -- TDM misconfiguration BK -- Backup Connection ST -- Standby Connection CB -- rcvd cell-bundle size bad SP -- Static Pseudowire LD -- local site signaled down RS -- remote site standby RD -- remote site signaled down HS -- Hot-standby Connection XX -- unknown Legend for interface status Up -- operational Dn -- down Neighbor: 8.8.8.8 Interface Type St Time last up # Up trans ge-0/0/4.0(vc 513) rmt OL root@R1> root@R1> show route table l2circuit.0 hidden extensive l2circuit.0: 1 destinations, 1 routes (0 active, 0 holddown, 1 hidden) 8.8.8.8:NoCtrlWord:4:513:Local/96 (1 entry, 0 announced) L2CKT Preference: 7 Next hop type: Unusable, Next hop index: 0 Address: 0xa1df870 Next-hop reference count: 1 State: Age: 7 Validation State: unverified Task: l2 circuit AS path: I VC Label 299888, MTU 1500, VLAN ID 513, Flow Label T Bit 0, Flow Label R Bit 0 Indirect next hops: 1 Protocol next hop: 8.8.8.8 Indirect next hop: 0x0 - INH Session ID: 0x0 root@R1> root@R1> root@R1> show configuration | display set | match 0/0/4 set interfaces ge-0/0/4 vlan-tagging set interfaces ge-0/0/4 encapsulation vlan-ccc set interfaces ge-0/0/4 unit 0 encapsulation vlan-ccc set interfaces ge-0/0/4 unit 0 vlan-id 513 set interfaces ge-0/0/4 unit 0 family ccc set protocols l2circuit neighbor 8.8.8.8 interface ge-0/0/4.0 virtual-circuit-id 513 set protocols l2circuit neighbor 8.8.8.8 interface ge-0/0/4.0 no-control-word root@R1> root@R1> show configuration | display set | match 0/0/4 set interfaces ge-0/0/4 vlan-tagging set interfaces ge-0/0/4 encapsulation vlan-ccc set interfaces ge-0/0/4 unit 0 encapsulation vlan-ccc set interfaces ge-0/0/4 unit 0 vlan-id 513 set interfaces ge-0/0/4 unit 0 family ccc set protocols l2circuit neighbor 8.8.8.8 interface ge-0/0/4.0 virtual-circuit-id 513 set protocols l2circuit neighbor 8.8.8.8 interface ge-0/0/4.0 no-control-word root@R1> root@R1> show log l2vpn Jul 2 19:46:34 trace_on: Tracing to "/var/log/l2vpn" started Jul 2 19:46:34.151688 vc_iflchange intf ge-0/0/4.0 (index 334) change flags 0x0 Jul 2 19:46:34.151742 adjusted mtu = 1500 Jul 2 19:46:34.151756 [vc_intf_params_change] Intf ge-0/0/4.0: NO Intf Params CHANGE Jul 2 19:46:34.152368 [vc_ifachange] intf ge-0/0/4.0: new status intf Up (old status intf Up), GF 4 Jul 2 19:46:34.152394 [vc_ifachange] Triggering VC status update timer for intf ge-0/0/4.0 Jul 2 19:46:34.152398 Triggering VC status update timer for intf ge-0/0/4.0 Jul 2 19:46:34.152408 [vc_ifachange] ge-0/0/4.0 is not in any vc yet Jul 2 19:46:34.153655 New policy call for L2CKT from l2ckt.0 Jul 2 19:46:34.153672 [l2ckt_handle_local_adv_rt_status_change] VC-interface ge-0/0/4.0 transport LSP state transition to DOWN Jul 2 19:46:34.153676 New policy processing complete for L2CKT from l2ckt.0 Jul 2 19:46:34.198731 [vc_intf_vc_status_update] Recomputing the status of the VC for interface: ge-0/0/4.0, flags 0x0, 0x20184 Jul 2 19:46:34.198751 interface ge-0/0/4.0: vc status = intf Up, intf_up = TRUE Jul 2 19:46:34.198755 interface ge-0/0/4.0: UP adv_down = 0 : vc_down = 0, ccc_up = 1 Jul 2 19:46:34.198761 interface ge-0/0/4.0: VC NOT PRESENT adv_down = 0, vc_down = 1, ccc_up = 0 Jul 2 19:46:34.198765 interface ge-0/0/4.0: Done Computing adv, vc down and ccc_up status adv_down = 0, vc_down = 1, ccc_up = 0 Jul 2 19:46:34.198769 [vc_intf_vc_status_update] Done Recomputing the status of the VC for interface ge-0/0/4.0: flags 0x0, 0x20184 Jul 2 19:46:39.059529 [l2ckt_intf_change_process] Change processing for intf ge-0/0/4.0: vc flags 0x0 0x20104 l2ckt flags 0x0 0x8000000 Jul 2 19:46:39.059564 l2ckt_intf_create_mib2d_notify: Not a TDM/ATM VC Jul 2 19:46:39.059587 Evaluated local PW status code 0x0 for intf ge-0/0/4.0 (nbr 8.8.8.8) belonging to instance L2circuit Jul 2 19:46:39.059600 ge-0/0/4.0 OP state transition to DOWN [Transport-LSP: 0,vpls_num_ifds: 0 is_pw_phy: 1, out_label ffffffff] Jul 2 19:49:09.259265 Neighbor 8.8.8.8 (instance L2circuit) updated from configuration Jul 2 19:49:09.259397 [l2ckt_intf_cfg_create] intf ge-0/0/4.0 (nbr 8.8.8.8), vc-id 513, updated from configuration root@R1> root@R1> ping mpls ldp 8.8.8.8/32 !!!!! --- lsping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss root@R1> root@R1> show interfaces ge-0/0/4 Physical interface: ge-0/0/4, Enabled, Physical link is Up Interface index: 152, SNMP ifIndex: 530 Link-level type: VLAN-CCC, MTU: 1518, MRU: 1526, LAN-PHY mode, Speed: 1000mbps, BPDU Error: None, Loop Detect PDU Error: None, Ethernet-Switching Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online Pad to minimum frame size: Disabled Device flags : Present Running Interface flags: SNMP-Traps Internal: 0x4000 CoS queues : 8 supported, 8 maximum usable queues Current address: 50:00:00:09:00:06, Hardware address: 50:00:00:09:00:06 Last flapped : 2022-07-02 18:38:53 UTC (01:35:47 ago) Input rate : 0 bps (0 pps) Output rate : 0 bps (0 pps) Active alarms : None Active defects : None PCS statistics Seconds Bit errors 0 Errored blocks 0 Ethernet FEC statistics Errors FEC Corrected Errors 0 FEC Uncorrected Errors 0 FEC Corrected Errors Rate 0 FEC Uncorrected Errors Rate 0 Interface transmit statistics: Disabled Logical interface ge-0/0/4.0 (Index 334) (SNMP ifIndex 538) Flags: SNMP-Traps CCC-Down 0x4000 VLAN-Tag [ 0x8100.513 ] Encapsulation: VLAN-CCC Input packets : 0 Output packets: 0 Protocol ccc, MTU: 1518 Flags: Is-Primary Logical interface ge-0/0/4.32767 (Index 335) (SNMP ifIndex 537) Flags: Up SNMP-Traps 0x4004000 VLAN-Tag [ 0x0000.0 ] Encapsulation: ENET2 Input packets : 0 Output packets: 0 Protocol multiservice, MTU: Unlimited Flags: None root@R1> R8 Configuration:- tac3@R8> show configuration | display set | match 0/0/4 set interfaces ge-0/0/4 vlan-tagging set interfaces ge-0/0/4 encapsulation vlan-ccc set interfaces ge-0/0/4 unit 0 encapsulation vlan-ccc set interfaces ge-0/0/4 unit 0 vlan-id 513 set interfaces ge-0/0/4 unit 0 family ccc set protocols l2circuit neighbor 1.1.1.1 interface ge-0/0/4.0 virtual-circuit-id 513 set protocols l2circuit neighbor 1.1.1.1 interface ge-0/0/4.0 no-control-word tac3@R8> tac3@R8> show route table l2circuit.0 hidden extensive l2circuit.0: 1 destinations, 1 routes (0 active, 0 holddown, 1 hidden) 1.1.1.1:NoCtrlWord:4:513:Local/96 (1 entry, 0 announced) L2CKT Preference: 7 Next hop type: Unusable, Next hop index: 0 Address: 0xa1df870 Next-hop reference count: 1 State: Age: 1 Validation State: unverified Task: l2 circuit AS path: I VC Label 299888, MTU 1500, VLAN ID 513, Flow Label T Bit 0, Flow Label R Bit 0 Indirect next hops: 1 Protocol next hop: 1.1.1.1 Indirect next hop: 0x0 - INH Session ID: 0x0 tac3@R8> tac3@R8> show l2circuit connections Layer-2 Circuit Connections: Legend for connection status (St) EI -- encapsulation invalid NP -- interface h/w not present MM -- mtu mismatch Dn -- down EM -- encapsulation mismatch VC-Dn -- Virtual circuit Down CM -- control-word mismatch Up -- operational VM -- vlan id mismatch CF -- Call admission control failure OL -- no outgoing label IB -- TDM incompatible bitrate NC -- intf encaps not CCC/TCC TM -- TDM misconfiguration BK -- Backup Connection ST -- Standby Connection CB -- rcvd cell-bundle size bad SP -- Static Pseudowire LD -- local site signaled down RS -- remote site standby RD -- remote site signaled down HS -- Hot-standby Connection XX -- unknown Legend for interface status Up -- operational Dn -- down Neighbor: 1.1.1.1 Interface Type St Time last up # Up trans ge-0/0/4.0(vc 513) rmt OL tac3@R8> tac3@R8> show ldp neighbor Address Interface Label space ID Hold time 58.0.0.5 ge-0/0/0.0 5.5.5.5:0 13 1.1.1.1 lo0.0 1.1.1.1:0 35 tac3@R8> tac3@R8> show interfaces ge-0/0/4 Physical interface: ge-0/0/4, Enabled, Physical link is Up Interface index: 152, SNMP ifIndex: 533 Link-level type: VLAN-CCC, MTU: 1518, MRU: 1526, LAN-PHY mode, Speed: 1000mbps, BPDU Error: None, Loop Detect PDU Error: None, Ethernet-Switching Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online Pad to minimum frame size: Disabled Device flags : Present Running Interface flags: SNMP-Traps Internal: 0x4000 CoS queues : 8 supported, 8 maximum usable queues Current address: 50:00:00:10:00:06, Hardware address: 50:00:00:10:00:06 Last flapped : 2022-07-02 18:31:57 UTC (01:43:51 ago) Input rate : 0 bps (0 pps) Output rate : 0 bps (0 pps) Active alarms : None Active defects : None PCS statistics Seconds Bit errors 0 Errored blocks 0 Ethernet FEC statistics Errors FEC Corrected Errors 0 FEC Uncorrected Errors 0 FEC Corrected Errors Rate 0 FEC Uncorrected Errors Rate 0 Interface transmit statistics: Disabled Logical interface ge-0/0/4.0 (Index 334) (SNMP ifIndex 537) Flags: SNMP-Traps CCC-Down 0x4000 VLAN-Tag [ 0x8100.513 ] Encapsulation: VLAN-CCC Input packets : 0 Output packets: 0 Protocol ccc, MTU: 1518 Flags: Is-Primary Logical interface ge-0/0/4.32767 (Index 335) (SNMP ifIndex 538) Flags: Up SNMP-Traps 0x4004000 VLAN-Tag [ 0x0000.0 ] Encapsulation: ENET2 Input packets : 0 Output packets: 0 Protocol multiservice, MTU: Unlimited Flags: None tac3@R8>