RP/0/RP0/CPU0:R1#show version Fri Sep 11 07:40:15.542 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 R1 uptime is 24 minutes XRd Control Plane Container RP/0/RP0/CPU0:R1#show interface description Fri Sep 11 07:40:15.661 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 (10.1.2.0/24) Gi0/0/0/1 up up to R4 (10.1.4.0/24) Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R1#show route Fri Sep 11 07:40:15.815 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 not set L 1.1.1.1/32 is directly connected, 00:21:46, Loopback0 O 2.2.2.2/32 [110/101] via 10.1.2.2, 00:07:19, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/201] via 10.1.2.2, 00:00:38, GigabitEthernet0/0/0/0 [110/201] via 10.1.4.4, 00:00:38, GigabitEthernet0/0/0/1 O 4.4.4.4/32 [110/101] via 10.1.4.4, 00:07:19, GigabitEthernet0/0/0/1 C 10.1.2.0/24 is directly connected, 00:21:42, GigabitEthernet0/0/0/0 L 10.1.2.1/32 is directly connected, 00:21:42, GigabitEthernet0/0/0/0 C 10.1.4.0/24 is directly connected, 00:21:42, GigabitEthernet0/0/0/1 L 10.1.4.1/32 is directly connected, 00:21:42, GigabitEthernet0/0/0/1 O 10.2.3.0/24 [110/200] via 10.1.2.2, 00:07:07, GigabitEthernet0/0/0/0 O 10.3.4.0/24 [110/200] via 10.1.4.4, 00:00:38, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R1#show route ospf Fri Sep 11 07:40:15.979 UTC O 2.2.2.2/32 [110/101] via 10.1.2.2, 00:07:19, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/201] via 10.1.2.2, 00:00:38, GigabitEthernet0/0/0/0 [110/201] via 10.1.4.4, 00:00:38, GigabitEthernet0/0/0/1 O 4.4.4.4/32 [110/101] via 10.1.4.4, 00:07:19, GigabitEthernet0/0/0/1 O 10.2.3.0/24 [110/200] via 10.1.2.2, 00:07:07, GigabitEthernet0/0/0/0 O 10.3.4.0/24 [110/200] via 10.1.4.4, 00:00:38, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R1#show ospf Fri Sep 11 07:40:16.170 UTC Routing Process "ospf 1" with ID 1.1.1.1 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 0. Checksum Sum 00000000 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 19 times Number of LSA 8. Checksum Sum 0x03526f 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:R1#show ospf interface Fri Sep 11 07:40:16.824 UTC Interfaces for OSPF 1 Loopback0 is up, line protocol is up Internet Address 1.1.1.1/32, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 1.1.1.1, 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 10.1.2.1/24, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 100 Transmit Delay is 1 sec, State DR, Priority 1, MTU 1500, MaxPktSz 1500 Forward reference No, Unnumbered no, Bandwidth 1000000 RIB LC sync Yes Designated Router (ID) 1.1.1.1, Interface address 10.1.2.1 Backup Designated router (ID) 2.2.2.2, Interface address 10.1.2.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03:057 Index 1/1, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 1, maximum is 2 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 3 Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 (Backup Designated Router) 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 10.1.4.1/24, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 100 Transmit Delay is 1 sec, State DR, Priority 1, MTU 1500, MaxPktSz 1500 Forward reference No, Unnumbered no, Bandwidth 1000000 RIB LC sync Yes Designated Router (ID) 1.1.1.1, Interface address 10.1.4.1 Backup Designated router (ID) 4.4.4.4, Interface address 10.1.4.4 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08:543 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 1 Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 4.4.4.4 (Backup Designated Router) 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:R1#show ospf interface brief Fri Sep 11 07:40:17.389 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 1.1.1.1/32 1 LOOP 0/0 Gi0/0/0/0 1 0 10.1.2.1/24 100 DR 1/1 Gi0/0/0/1 1 0 10.1.4.1/24 100 DR 1/1 RP/0/RP0/CPU0:R1#show ospf neighbor Fri Sep 11 07:40:17.979 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/BDR 00:00:39 10.1.2.2 GigabitEthernet0/0/0/0 Neighbor is up for 00:20:38 4.4.4.4 1 FULL/BDR 00:00:39 10.1.4.4 GigabitEthernet0/0/0/1 Neighbor is up for 00:18:34 Total neighbor count: 2 RP/0/RP0/CPU0:R1#show ospf neighbor detail Fri Sep 11 07:40:18.905 UTC * Indicates MADJ interface # Indicates Neighbor awaiting BFD session up Neighbors for OSPF 1 Neighbor 2.2.2.2, interface address 10.1.2.2 In the area 0 via interface GigabitEthernet0/0/0/0 Neighbor priority is 1, State is FULL, 6 state changes DR is 10.1.2.1 BDR is 10.1.2.2 Options is 0x52 LLS Options is 0x1 (LR) Dead timer due in 00:00:38 Neighbor is up for 00:20:39 Number of DBD retrans during last exchange 0 Index 1/1, 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: 1 Capabilities TLV Not Advertised in RI LSA Neighbor 4.4.4.4, interface address 10.1.4.4 In the area 0 via interface GigabitEthernet0/0/0/1 Neighbor priority is 1, State is FULL, 6 state changes DR is 10.1.4.1 BDR is 10.1.4.4 Options is 0x52 LLS Options is 0x1 (LR) Dead timer due in 00:00:39 Neighbor is up for 00:18:35 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: 3 Capabilities TLV Not Advertised in RI LSA Total neighbor count: 2 RP/0/RP0/CPU0:R1#show ospf database Fri Sep 11 07:40:19.484 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 443 0x80000009 0x0058a2 3 2.2.2.2 2.2.2.2 438 0x80000005 0x009659 3 3.3.3.3 3.3.3.3 433 0x80000005 0x00c90e 3 4.4.4.4 4.4.4.4 43 0x80000007 0x00c701 3 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.1.2.1 1.1.1.1 1239 0x80000001 0x0059c2 10.1.4.1 1.1.1.1 1115 0x80000001 0x00a76a 10.2.3.2 2.2.2.2 1185 0x80000001 0x006e9e 10.3.4.3 3.3.3.3 1120 0x80000001 0x00837a RP/0/RP0/CPU0:R1#show ospf database router Fri Sep 11 07:40:20.168 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) LS age: 444 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: 80000009 Checksum: 0x58a2 Length: 60 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: a Transit Network (Link ID) Designated Router address: 10.1.2.1 (Link Data) Router Interface address: 10.1.2.1 Number of TOS metrics: 0 TOS 0 Metrics: 100 Link connected to: a Transit Network (Link ID) Designated Router address: 10.1.4.1 (Link Data) Router Interface address: 10.1.4.1 Number of TOS metrics: 0 TOS 0 Metrics: 100 Routing Bit Set on this LSA LS age: 438 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: 0x9659 Length: 60 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: a Transit Network (Link ID) Designated Router address: 10.1.2.1 (Link Data) Router Interface address: 10.1.2.2 Number of TOS metrics: 0 TOS 0 Metrics: 100 Link connected to: a Transit Network (Link ID) Designated Router address: 10.2.3.2 (Link Data) Router Interface address: 10.2.3.2 Number of TOS metrics: 0 TOS 0 Metrics: 100 Routing Bit Set on this LSA LS age: 433 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: 0xc90e Length: 60 Number of Links: 3 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: a Transit Network (Link ID) Designated Router address: 10.2.3.2 (Link Data) Router Interface address: 10.2.3.3 Number of TOS metrics: 0 TOS 0 Metrics: 100 Link connected to: a Transit Network (Link ID) Designated Router address: 10.3.4.3 (Link Data) Router Interface address: 10.3.4.3 Number of TOS metrics: 0 TOS 0 Metrics: 100 Routing Bit Set on this LSA LS age: 44 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: 80000007 Checksum: 0xc701 Length: 60 Number of Links: 3 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: a Transit Network (Link ID) Designated Router address: 10.1.4.1 (Link Data) Router Interface address: 10.1.4.4 Number of TOS metrics: 0 TOS 0 Metrics: 100 Link connected to: a Transit Network (Link ID) Designated Router address: 10.3.4.3 (Link Data) Router Interface address: 10.3.4.4 Number of TOS metrics: 0 TOS 0 Metrics: 100 RP/0/RP0/CPU0:R1#show ospf database network Fri Sep 11 07:40:20.831 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Net Link States (Area 0) Routing Bit Set on this LSA LS age: 1241 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.1.2.1 (address of Designated Router) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0x59c2 Length: 32 Network Mask: /24 Attached Router: 1.1.1.1 Attached Router: 2.2.2.2 Routing Bit Set on this LSA LS age: 1117 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.1.4.1 (address of Designated Router) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0xa76a Length: 32 Network Mask: /24 Attached Router: 1.1.1.1 Attached Router: 4.4.4.4 Routing Bit Set on this LSA LS age: 1187 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.2.3.2 (address of Designated Router) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0x6e9e Length: 32 Network Mask: /24 Attached Router: 2.2.2.2 Attached Router: 3.3.3.3 Routing Bit Set on this LSA LS age: 1121 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.3.4.3 (address of Designated Router) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x837a Length: 32 Network Mask: /24 Attached Router: 3.3.3.3 Attached Router: 4.4.4.4 RP/0/RP0/CPU0:R1#show ospf statistics interface Fri Sep 11 07:40:21.526 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 131 - 138 - - DB Des 2 2 3 1 1 LS Req 1 1 1 1 0 LS Upd 14 14 15 17 16 LS Ack 11 11 6 14 10 TOTAL 159 28 163 33 27 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 119 - 138 - - DB Des 2 2 3 1 7 LS Req 0 0 1 0 0 LS Upd 6 6 8 6 8 LS Ack 7 7 5 8 5 TOTAL 134 15 155 15 20 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:R1#show cef 3.3.3.3/32 Fri Sep 11 07:40:22.208 UTC 3.3.3.3/32, version 55, internal 0x1000001 0x10 (ptr 0x8851b560) [1], 0x400 (0x8984ca58), 0x0 (0x0) Updated Sep 11 07:39:37.137 local adjacency to GigabitEthernet0/0/0/0 Prefix Len 32, traffic index 0, precedence n/a, priority 1 gateway array (0x896e5df8) reference count 1, flags 0x0, source rib (7), 0 backups [2 type 3 flags 0x8401 (0x89788eb0) ext 0x0 (0x0)] LW-LDI[type=3, refc=1, ptr=0x8984ca58, sh-ldi=0x89788eb0] gateway array update type-time 1 Sep 11 07:39:37.137 LDI Update time Sep 11 07:39:37.156 LW-LDI-TS Sep 11 07:39:37.156 via 10.1.2.2/32, GigabitEthernet0/0/0/0, 7 dependencies, weight 0, class 0 [flags 0x0] path-idx 0 NHID 0x2 [0x8a75b3c0 0x0] next hop 10.1.2.2/32 local adjacency via 10.1.4.4/32, GigabitEthernet0/0/0/1, 7 dependencies, weight 0, class 0 [flags 0x0] path-idx 1 NHID 0x4 [0x8a75b500 0x0] next hop 10.1.4.4/32 local adjacency Load distribution: 0 1 0 1 (refcount 2) Hash OK Interface Address 0 Y GigabitEthernet0/0/0/0 10.1.2.2 1 Y GigabitEthernet0/0/0/1 10.1.4.4 2 Y GigabitEthernet0/0/0/0 10.1.2.2 3 Y GigabitEthernet0/0/0/1 10.1.4.4 RP/0/RP0/CPU0:R1#show ospf database router self-originate Fri Sep 11 07:40:22.517 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) LS age: 446 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: 80000009 Checksum: 0x58a2 Length: 60 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: a Transit Network (Link ID) Designated Router address: 10.1.2.1 (Link Data) Router Interface address: 10.1.2.1 Number of TOS metrics: 0 TOS 0 Metrics: 100 Link connected to: a Transit Network (Link ID) Designated Router address: 10.1.4.1 (Link Data) Router Interface address: 10.1.4.1 Number of TOS metrics: 0 TOS 0 Metrics: 100