RP/0/RP0/CPU0:R1#show version Tue Sep 8 10:29:32.506 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 22 minutes XRd Control Plane Container RP/0/RP0/CPU0:R1#show interface description Tue Sep 8 10:29:32.667 UTC Interface Status Protocol Description -------------------------------------------------------------------------------- Lo0 up up Nu0 up up Mg0/RP0/CPU0/0 up up management Gi0/0/0/0 admin-down admin-down to SW (10.0.0.0/24 segment) Gi0/0/0/1 admin-down admin-down Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R1#show route Tue Sep 8 10:29:32.874 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, 00:20:06, Loopback0 RP/0/RP0/CPU0:R1#show route ospf Tue Sep 8 10:29:33.164 UTC % No matching routes found RP/0/RP0/CPU0:R1#show ospf Tue Sep 8 10:29:33.335 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 4 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, 0 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) (Inactive) Number of interfaces in this area is 2 SPF algorithm executed 15 times Number of LSA 5. Checksum Sum 0x036e43 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, 0 full RP/0/RP0/CPU0:R1#show ospf interface Tue Sep 8 10:29:34.056 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 administratively down, line protocol is down Internet Address 10.0.0.1/24, 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: 1 Transmit Delay is 1 sec, State DOWN, Priority 100, MTU 1500, MaxPktSz 1500 Forward reference No, Unnumbered no, RIB LC sync Yes No designated router on this network No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Index 0/0, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 0, maximum is 2 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 5 Neighbor Count is 0, Adjacent neighbor count is 0 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 Tue Sep 8 10:29:34.663 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 10.0.0.1/24 1 DOWN 0/0 RP/0/RP0/CPU0:R1#show ospf neighbor Tue Sep 8 10:29:35.347 UTC RP/0/RP0/CPU0:R1#show ospf neighbor detail Tue Sep 8 10:29:36.115 UTC RP/0/RP0/CPU0:R1#show ospf database Tue Sep 8 10:29:36.831 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 1.1.1.1 132 0x80000008 0x00c25c 1 2.2.2.2 2.2.2.2 571 0x80000004 0x0019d5 2 3.3.3.3 3.3.3.3 572 0x80000008 0x0001dc 2 4.4.4.4 4.4.4.4 566 0x80000005 0x00f6dc 2 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.0.0.2 2.2.2.2 345 0x80000002 0x007183 RP/0/RP0/CPU0:R1#show ospf database router Tue Sep 8 10:29:37.462 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) LS age: 133 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: 80000008 Checksum: 0xc25c Length: 36 Number of Links: 1 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 Adv Router is not-reachable LS age: 571 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: 80000004 Checksum: 0x19d5 Length: 48 Number of Links: 2 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: 10.0.0.2 (Link Data) Router Interface address: 10.0.0.2 Number of TOS metrics: 0 TOS 0 Metrics: 1 Adv Router is not-reachable LS age: 572 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: 80000008 Checksum: 0x1dc Length: 48 Number of Links: 2 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: 10.0.0.2 (Link Data) Router Interface address: 10.0.0.3 Number of TOS metrics: 0 TOS 0 Metrics: 1 Adv Router is not-reachable LS age: 566 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: 0xf6dc Length: 48 Number of Links: 2 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: 10.0.0.2 (Link Data) Router Interface address: 10.0.0.4 Number of TOS metrics: 0 TOS 0 Metrics: 1 RP/0/RP0/CPU0:R1#show ospf database network Tue Sep 8 10:29:38.040 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Net Link States (Area 0) LS age: 346 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.0.0.2 (address of Designated Router) Advertising Router: 2.2.2.2 LS Seq Number: 80000002 Checksum: 0x7183 Length: 40 Network Mask: /24 Attached Router: 1.1.1.1 Attached Router: 2.2.2.2 Attached Router: 3.3.3.3 Attached Router: 4.4.4.4 RP/0/RP0/CPU0:R1#show ospf statistics interface Tue Sep 8 10:29:38.741 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 236 - 88 - - DB Des 12 12 24 9 21 LS Req 5 5 5 9 0 LS Upd 14 14 21 17 27 LS Ack 21 21 5 30 9 TOTAL 288 52 143 65 57 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 ospf database network self-originate Tue Sep 8 10:29:39.570 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) RP/0/RP0/CPU0:R1#show ospf database router self-originate Tue Sep 8 10:29:40.149 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) LS age: 135 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: 80000008 Checksum: 0xc25c Length: 36 Number of Links: 1 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 RP/0/RP0/CPU0:R1#show ospf border-routers Tue Sep 8 10:29:40.813 UTC RP/0/RP0/CPU0:R1#show ospf routes Tue Sep 8 10:29:41.542 UTC Topology Table for ospf 1 with ID 1.1.1.1 Codes: O - Intra area, O IA - Inter area O E1 - External type 1, O E2 - External type 2 O N1 - NSSA external type 1, O N2 - NSSA external type 2 O 1.1.1.1/32, metric 1 1.1.1.1, directly connected, via Loopback0, ifIndex 7 RP/0/RP0/CPU0:R1#show ospf database database-summary Tue Sep 8 10:29:42.399 UTC OSPF Router with ID (1.1.1.1) (Process ID 1) Area 0 database summary LSA Type Count Delete Maxage Router 4 0 0 Network 1 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 5 0 0 Process 1 database summary Router 4 0 0 Network 1 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 0 0 0 Opaque AS 0 0 0 Total 5 0 0