RP/0/RP0/CPU0:R4#show version Tue Sep 15 06:30:22.760 UTC Cisco IOS XR Software, Version 26.1.1 LNT Copyright (c) 2013-2026 by Cisco Systems, Inc. Build Information: Built By : cisco Built On : Thu Feb 26 03:41:18 UTC 2026 Build Host : iox-lnx-054 Workspace : /auto/srcarchive12/prod/26.1.1/xrd-control-plane/ws/ Version : 26.1.1 Label : 26.1.1 cisco XRd Control Plane cisco XRd-CP-C-01 processor with 248GB of memory R4 uptime is 51 minutes XRd Control Plane Container RP/0/RP0/CPU0:R4#show interface description Tue Sep 15 06:30:22.914 UTC Interface Status Protocol Description -------------------------------------------------------------------------------- Lo0 up up Nu0 up up Mg0/RP0/CPU0/0 up up management Gi0/0/0/0 up up to R2 (10.0.24.0/24) Gi0/0/0/1 up up to R3 (10.0.34.0/24) Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R4#show route Tue Sep 15 06:30:23.160 UTC Codes: C - connected, S - static, R - RIP, B - BGP, (>) - Diversion path D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, su - IS-IS summary null, * - candidate default U - per-user static route, o - ODR, L - local, G - DAGR, l - LISP A - access/subscriber, a - Application route M - mobile route, r - RPL, t - Traffic Engineering, (!) - FRR Backup path s - local SRv6 route, z - local IID route Gateway of last resort is 10.0.24.2 to network 0.0.0.0 O*E1 0.0.0.0/0 [110/2] via 10.0.24.2, 00:07:13, GigabitEthernet0/0/0/0 O 1.1.1.1/32 [110/3] via 10.0.34.3, 00:49:00, GigabitEthernet0/0/0/1 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:48:54, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/2] via 10.0.34.3, 00:49:00, GigabitEthernet0/0/0/1 L 4.4.4.4/32 is directly connected, 00:49:10, Loopback0 O 10.0.13.0/24 [110/2] via 10.0.34.3, 00:49:00, GigabitEthernet0/0/0/1 C 10.0.24.0/24 is directly connected, 00:49:06, GigabitEthernet0/0/0/0 L 10.0.24.4/32 is directly connected, 00:49:06, GigabitEthernet0/0/0/0 C 10.0.34.0/24 is directly connected, 00:49:05, GigabitEthernet0/0/0/1 L 10.0.34.4/32 is directly connected, 00:49:05, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R4#show route ospf Tue Sep 15 06:30:23.443 UTC O*E1 0.0.0.0/0 [110/2] via 10.0.24.2, 00:07:14, GigabitEthernet0/0/0/0 O 1.1.1.1/32 [110/3] via 10.0.34.3, 00:49:00, GigabitEthernet0/0/0/1 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:48:55, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/2] via 10.0.34.3, 00:49:00, GigabitEthernet0/0/0/1 O 10.0.13.0/24 [110/2] via 10.0.34.3, 00:49:00, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R4#show ospf Tue Sep 15 06:30:23.603 UTC Routing Process "ospf 1" with ID 4.4.4.4 Role: Primary Active NSR (Non-stop routing) is Enabled Supports only single TOS(TOS0) routes Supports opaque LSA Maximum number of non self-generated LSA allowed 500000 Current number of non self-generated LSA 5 Threshold for warning message 75% Ignore-time 5 minutes, reset-time 10 minutes Ignore-count allowed 5, current ignore-count 0 Maximum number of external prefixes per router 50000 (suppress-neighbor) Warning threshold 75% Maximum Exchange time 10 Hold time 5 Max Recovery count 300 Router is not originating router-LSAs with maximum metric Initial SPF schedule delay 50 msecs Minimum hold time between two consecutive SPFs 200 msecs Maximum wait time between two consecutive SPFs 5000 msecs Initial LSA throttle delay 50 msecs Minimum hold time for LSA throttle 200 msecs Maximum wait time for LSA throttle 5000 msecs Minimum LSA interval 200 msecs. Minimum LSA arrival 100 msecs LSA refresh interval 1800 seconds Flood pacing interval 33 msecs. Retransmission pacing interval 66 msecs Adjacency stagger enabled; initial (per area): 2, maximum: 64 Number of neighbors forming: 0, 2 full Maximum number of configured interfaces 1024 Number of external LSA 2. Checksum Sum 0x013d18 Number of opaque AS LSA 0. Checksum Sum 00000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa External flood list length 0 SNMP trap is enabled LSD not connected, revision 0 Segment Routing Global Block default (16000-23999), not allocated Segment Routing Local Block, unknown Segment Routing prefix-sid-map, Advertise local: Disabled, Receive remote: Disabled Strict-SPF capability is enabled Area BACKBONE(0) Number of interfaces in this area is 3 SPF algorithm executed 9 times Number of LSA 4. Checksum Sum 0x02ade0 Number of opaque link LSA 0. Checksum Sum 00000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 Number of LFA enabled interfaces 0, LFA revision 0 Number of Per Prefix LFA enabled interfaces 0 Number of neighbors forming in staggered mode 0, 2 full RP/0/RP0/CPU0:R4#show ospf interface Tue Sep 15 06:30:24.479 UTC Interfaces for OSPF 1 Loopback0 is up, line protocol is up Internet Address 4.4.4.4/32, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 4.4.4.4, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host Multi-area interface Count is 0 GigabitEthernet0/0/0/0 is up, line protocol is up Internet Address 10.0.24.4/24, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 1 Transmit Delay is 1 sec, State POINT_TO_POINT, MTU 1500, MaxPktSz 1500 Forward reference No, Unnumbered no, Bandwidth 1000000 RIB LC sync Yes Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01:684 Index 1/1, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 2 Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) Multi-area interface Count is 0 Segment Routing Forwarding MPLS enabled: Yes Adjacency hold timer expired last : Never Exchange timer expired last : Never GigabitEthernet0/0/0/1 is up, line protocol is up Internet Address 10.0.34.4/24, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 1 Transmit Delay is 1 sec, State POINT_TO_POINT, MTU 1500, MaxPktSz 1500 Forward reference No, Unnumbered no, Bandwidth 1000000 RIB LC sync Yes Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02:447 Index 2/2, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 2 Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 Suppress hello for 0 neighbor(s) Multi-area interface Count is 0 Segment Routing Forwarding MPLS enabled: Yes Adjacency hold timer expired last : Never Exchange timer expired last : Never RP/0/RP0/CPU0:R4#show ospf interface brief Tue Sep 15 06:30:25.279 UTC * Indicates MADJ interface, (P) Indicates fast detect hold down state Interfaces for OSPF 1 Interface PID Area IP Address/Mask Cost State Nbrs F/C Lo0 1 0 4.4.4.4/32 1 LOOP 0/0 Gi0/0/0/0 1 0 10.0.24.4/24 1 P2P 1/1 Gi0/0/0/1 1 0 10.0.34.4/24 1 P2P 1/1 RP/0/RP0/CPU0:R4#show ospf neighbor Tue Sep 15 06:30:26.043 UTC * Indicates MADJ interface # Indicates Neighbor awaiting BFD session up Neighbors for OSPF 1 Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/ - 00:00:35 10.0.24.2 GigabitEthernet0/0/0/0 Neighbor is up for 00:48:59 3.3.3.3 1 FULL/ - 00:00:33 10.0.34.3 GigabitEthernet0/0/0/1 Neighbor is up for 00:49:04 Total neighbor count: 2 RP/0/RP0/CPU0:R4#show ospf neighbor detail Tue Sep 15 06:30:26.751 UTC * Indicates MADJ interface # Indicates Neighbor awaiting BFD session up Neighbors for OSPF 1 Neighbor 2.2.2.2, interface address 10.0.24.2 In the area 0 via interface GigabitEthernet0/0/0/0 Neighbor priority is 1, State is FULL, 6 state changes DR is 0.0.0.0 BDR is 0.0.0.0 Options is 0x52 LLS Options is 0x1 (LR) Dead timer due in 00:00:34 Neighbor is up for 00:49:00 Number of DBD retrans during last exchange 0 Index 2/2, retransmission queue length 0, number of retransmission 0 First 0(0)/0(0) Next 0(0)/0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec LS Ack list: NSR-sync pending 0, high water mark 0 Neighbor Interface ID: 4 Capabilities TLV Not Advertised in RI LSA Neighbor 3.3.3.3, interface address 10.0.34.3 In the area 0 via interface GigabitEthernet0/0/0/1 Neighbor priority is 1, State is FULL, 6 state changes DR is 0.0.0.0 BDR is 0.0.0.0 Options is 0x52 LLS Options is 0x1 (LR) Dead timer due in 00:00:32 Neighbor is up for 00:49:05 Number of DBD retrans during last exchange 0 Index 1/1, retransmission queue length 0, number of retransmission 1 First 0(0)/0(0) Next 0(0)/0(0) Last retransmission scan length is 1, maximum is 1 Last retransmission scan time is 0 msec, maximum is 0 msec LS Ack list: NSR-sync pending 0, high water mark 0 Neighbor Interface ID: 5 Capabilities TLV Not Advertised in RI LSA Total neighbor count: 2 RP/0/RP0/CPU0:R4#show ospf database Tue Sep 15 06:30:27.744 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 454 0x80000005 0x0008bc 3 2.2.2.2 2.2.2.2 978 0x80000005 0x00cad2 3 3.3.3.3 3.3.3.3 948 0x80000005 0x0066c2 5 4.4.4.4 4.4.4.4 927 0x80000005 0x00a85c 5 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 0.0.0.0 1.1.1.1 447 0x80000003 0x009f8c 1 0.0.0.0 2.2.2.2 439 0x80000002 0x0079b0 1 RP/0/RP0/CPU0:R4#show ospf database router Tue Sep 15 06:30:28.456 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Router Link States (Area 0) Routing Bit Set on this LSA LS age: 455 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 80000005 Checksum: 0x8bc Length: 60 AS Boundary Router Number of Links: 3 Link connected to: a Stub Network (Link ID) Network/subnet number: 1.1.1.1 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 10.0.13.1 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.13.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Routing Bit Set on this LSA LS age: 979 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 2.2.2.2 Advertising Router: 2.2.2.2 LS Seq Number: 80000005 Checksum: 0xcad2 Length: 60 AS Boundary Router Number of Links: 3 Link connected to: a Stub Network (Link ID) Network/subnet number: 2.2.2.2 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 4.4.4.4 (Link Data) Router Interface address: 10.0.24.2 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.24.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Routing Bit Set on this LSA LS age: 949 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 3.3.3.3 Advertising Router: 3.3.3.3 LS Seq Number: 80000005 Checksum: 0x66c2 Length: 84 Number of Links: 5 Link connected to: a Stub Network (Link ID) Network/subnet number: 3.3.3.3 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 1.1.1.1 (Link Data) Router Interface address: 10.0.13.3 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.13.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 4.4.4.4 (Link Data) Router Interface address: 10.0.34.3 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.34.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 LS age: 928 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 4.4.4.4 Advertising Router: 4.4.4.4 LS Seq Number: 80000005 Checksum: 0xa85c Length: 84 Number of Links: 5 Link connected to: a Stub Network (Link ID) Network/subnet number: 4.4.4.4 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 10.0.24.4 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.24.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 10.0.34.4 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.34.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 RP/0/RP0/CPU0:R4#show ospf database network Tue Sep 15 06:30:29.522 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) RP/0/RP0/CPU0:R4#show ospf statistics interface Tue Sep 15 06:30:30.305 UTC Interface Loopback0 Process ID 1 Area 0 OSPF packet and LSA statistics RX(hello) RX(router) TX LSA RX LSA TX Hello 0 - 0 - - DB Des 0 0 0 0 0 LS Req 0 0 0 0 0 LS Upd 0 0 0 0 0 LS Ack 0 0 0 0 0 TOTAL 0 0 0 0 0 OSPF Header Errors Version 0 LLS 0 Type 0 Auth RX 0 Length 0 Auth TX 0 Checksum 0 OSPF LSA Errors Type 0 Checksum 0 Length 0 Data 0 OSPF Errors Bad Source 0 Area Mismatch 0 No Virtual Link 0 Self Originated 0 No Sham Link 0 Duplicate ID 0 Nbr ignored 0 Graceful Shutdown 0 Unknown nbr 0 Passive intf 0 No DR/BDR 0 Disabled intf 0 Enqueue hello 0 Enqueue router 0 Unspecified RX 0 Unspecified TX 0 Socket 0 Interface GigabitEthernet0/0/0/0 Process ID 1 Area 0 OSPF packet and LSA statistics RX(hello) RX(router) TX LSA RX LSA TX Hello 311 - 311 - - DB Des 3 3 2 1 3 LS Req 1 1 1 3 0 LS Upd 6 6 11 6 13 LS Ack 9 9 4 12 5 TOTAL 330 19 329 22 21 OSPF Header Errors Version 0 LLS 0 Type 0 Auth RX 0 Length 0 Auth TX 0 Checksum 0 OSPF LSA Errors Type 0 Checksum 0 Length 0 Data 0 OSPF Errors Bad Source 0 Area Mismatch 0 No Virtual Link 0 Self Originated 0 No Sham Link 0 Duplicate ID 0 Nbr ignored 0 Graceful Shutdown 0 Unknown nbr 0 Passive intf 0 No DR/BDR 0 Disabled intf 0 Enqueue hello 0 Enqueue router 0 Unspecified RX 0 Unspecified TX 0 Socket 0 Interface GigabitEthernet0/0/0/1 Process ID 1 Area 0 OSPF packet and LSA statistics RX(hello) RX(router) TX LSA RX LSA TX Hello 311 - 311 - - DB Des 3 3 2 2 1 LS Req 1 1 1 1 0 LS Upd 10 10 11 11 11 LS Ack 7 7 8 9 10 TOTAL 332 21 333 23 22 OSPF Header Errors Version 0 LLS 0 Type 0 Auth RX 0 Length 0 Auth TX 0 Checksum 0 OSPF LSA Errors Type 0 Checksum 0 Length 0 Data 0 OSPF Errors Bad Source 0 Area Mismatch 0 No Virtual Link 0 Self Originated 0 No Sham Link 0 Duplicate ID 0 Nbr ignored 0 Graceful Shutdown 0 Unknown nbr 0 Passive intf 0 No DR/BDR 0 Disabled intf 0 Enqueue hello 0 Enqueue router 0 Unspecified RX 0 Unspecified TX 0 Socket 0 RP/0/RP0/CPU0:R4#show ospf database external Tue Sep 15 06:30:31.154 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Type-5 AS External Link States LS age: 451 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 0.0.0.0 (External Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000003 Checksum: 0x9f8c Length: 36 Network Mask: /0 Metric Type: 1 (Comparable directly to link state metric) TOS: 0 Metric: 2 Forward Address: 0.0.0.0 External Route Tag: 1 Routing Bit Set on this LSA LS age: 443 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 0.0.0.0 (External Network Number) Advertising Router: 2.2.2.2 LS Seq Number: 80000002 Checksum: 0x79b0 Length: 36 Network Mask: /0 Metric Type: 1 (Comparable directly to link state metric) TOS: 0 Metric: 1 Forward Address: 0.0.0.0 External Route Tag: 1 RP/0/RP0/CPU0:R4#show ospf database external self-originate Tue Sep 15 06:30:31.854 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) RP/0/RP0/CPU0:R4#show route 0.0.0.0/0 Tue Sep 15 06:30:32.639 UTC Routing entry for 0.0.0.0/0 Known via "ospf 1", distance 110, metric 2, candidate default path Tag 1, type extern 1 Installed Sep 15 06:23:09.417 for 00:07:23 Routing Descriptor Blocks 10.0.24.2, from 2.2.2.2, via GigabitEthernet0/0/0/0 Route metric is 2 No advertising protos. RP/0/RP0/CPU0:R4#show route static Tue Sep 15 06:30:32.815 UTC % No matching routes found RP/0/RP0/CPU0:R4#show ospf database database-summary Tue Sep 15 06:30:33.043 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Area 0 database summary LSA Type Count Delete Maxage Router 4 0 0 Network 0 0 0 Summary Net 0 0 0 Summary ASBR 0 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Subtotal 4 0 0 Process 1 database summary Router 4 0 0 Network 0 0 0 Summary Net 0 0 0 Summary ASBR 0 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Type-5 Ext 2 0 0 Opaque AS 0 0 0 Total 6 0 0