RP/0/RP0/CPU0:R4#show version Wed Sep 9 08:32:18.224 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 21 minutes XRd Control Plane Container RP/0/RP0/CPU0:R4#show interface description Wed Sep 9 08:32:18.364 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 R12 (172.16.4.0/24, domain boundary) Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R4#show route Wed Sep 9 08:32:18.585 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 O IA 1.1.1.1/32 [110/3] via 10.0.24.2, 00:18:35, GigabitEthernet0/0/0/0 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:19:12, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/3] via 10.0.24.2, 00:18:47, GigabitEthernet0/0/0/0 L 4.4.4.4/32 is directly connected, 00:19:19, Loopback0 O IA 10.0.12.0/24 [110/2] via 10.0.24.2, 00:19:12, GigabitEthernet0/0/0/0 O 10.0.23.0/24 [110/2] via 10.0.24.2, 00:18:52, GigabitEthernet0/0/0/0 C 10.0.24.0/24 is directly connected, 00:19:15, GigabitEthernet0/0/0/0 L 10.0.24.4/32 is directly connected, 00:19:15, GigabitEthernet0/0/0/0 O 10.1.11.0/24 [110/12] via 172.16.4.12, 00:18:30, GigabitEthernet0/0/0/1 O 10.1.12.0/24 [110/11] via 172.16.4.12, 00:18:46, GigabitEthernet0/0/0/1 O 11.11.11.11/32 [110/13] via 172.16.4.12, 00:17:59, GigabitEthernet0/0/0/1 O 12.12.12.12/32 [110/11] via 172.16.4.12, 00:18:46, GigabitEthernet0/0/0/1 O 13.13.13.13/32 [110/12] via 172.16.4.12, 00:18:30, GigabitEthernet0/0/0/1 O 172.16.3.0/24 [110/13] via 172.16.4.12, 00:17:59, GigabitEthernet0/0/0/1 C 172.16.4.0/24 is directly connected, 00:19:15, GigabitEthernet0/0/0/1 L 172.16.4.4/32 is directly connected, 00:19:15, GigabitEthernet0/0/0/1 O E2 192.168.1.0/24 [110/20] via 10.0.24.2, 00:18:35, GigabitEthernet0/0/0/0 O N2 192.168.11.0/24 [110/20] via 172.16.4.12, 00:02:21, GigabitEthernet0/0/0/1 O N2 192.168.13.0/24 [110/20] via 172.16.4.12, 00:02:21, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R4#show route ospf Wed Sep 9 08:32:18.982 UTC O IA 1.1.1.1/32 [110/3] via 10.0.24.2, 00:18:36, GigabitEthernet0/0/0/0 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:19:12, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/3] via 10.0.24.2, 00:18:47, GigabitEthernet0/0/0/0 O IA 10.0.12.0/24 [110/2] via 10.0.24.2, 00:19:12, GigabitEthernet0/0/0/0 O 10.0.23.0/24 [110/2] via 10.0.24.2, 00:18:52, GigabitEthernet0/0/0/0 O 10.1.11.0/24 [110/12] via 172.16.4.12, 00:18:31, GigabitEthernet0/0/0/1 O 10.1.12.0/24 [110/11] via 172.16.4.12, 00:18:47, GigabitEthernet0/0/0/1 O 11.11.11.11/32 [110/13] via 172.16.4.12, 00:17:59, GigabitEthernet0/0/0/1 O 12.12.12.12/32 [110/11] via 172.16.4.12, 00:18:47, GigabitEthernet0/0/0/1 O 13.13.13.13/32 [110/12] via 172.16.4.12, 00:18:31, GigabitEthernet0/0/0/1 O 172.16.3.0/24 [110/13] via 172.16.4.12, 00:17:59, GigabitEthernet0/0/0/1 O E2 192.168.1.0/24 [110/20] via 10.0.24.2, 00:18:36, GigabitEthernet0/0/0/0 O N2 192.168.11.0/24 [110/20] via 172.16.4.12, 00:02:22, GigabitEthernet0/0/0/1 O N2 192.168.13.0/24 [110/20] via 172.16.4.12, 00:02:22, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R4#show ospf Wed Sep 9 08:32:19.149 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 It is an area border and autonomous system boundary router Maximum number of non self-generated LSA allowed 500000 Current number of non self-generated LSA 28 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 3. Checksum Sum 0x00d82b 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 2. 1 normal 0 stub 1 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 2 SPF algorithm executed 8 times Number of LSA 21. Checksum Sum 0x0c2075 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, 1 full Area 2 Number of interfaces in this area is 1 It is a NSSA area Perform type-7/type-5 LSA translation SPF algorithm executed 10 times Number of LSA 22. Checksum Sum 0x0c4ac0 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, 1 full RP/0/RP0/CPU0:R4#show ospf interface Wed Sep 9 08:32:19.956 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 00:00:03:514 Index 1/1, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 7 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 172.16.4.4/24, Area 2, 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: 10 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 00:00:01:084 Index 1/2, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 2, maximum is 2 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 16 Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 12.12.12.12 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 Wed Sep 9 08:32:20.654 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 2 172.16.4.4/24 10 P2P 1/1 RP/0/RP0/CPU0:R4#show ospf neighbor Wed Sep 9 08:32:21.267 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/ - 00:00:32 10.0.24.2 GigabitEthernet0/0/0/0 Neighbor is up for 00:19:16 12.12.12.12 1 FULL/ - 00:00:32 172.16.4.12 GigabitEthernet0/0/0/1 Neighbor is up for 00:18:50 Total neighbor count: 2 RP/0/RP0/CPU0:R4#show ospf neighbor detail Wed Sep 9 08:32:22.004 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 00:00:31 Neighbor is up for 00:19:17 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: 5 Capabilities TLV Not Advertised in RI LSA Neighbor 12.12.12.12, interface address 172.16.4.12 In the area 2 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 0x58 LLS Options is 0x1 (LR) Dead timer due in 00:00:31 Neighbor is up for 00:18:50 Number of DBD retrans during last exchange 0 Index 1/2, 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:R4#show ospf database Wed Sep 9 08:32:22.805 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 2.2.2.2 2.2.2.2 1137 0x80000004 0x00d275 4 3.3.3.3 3.3.3.3 1137 0x80000003 0x005060 2 4.4.4.4 4.4.4.4 1157 0x80000003 0x000d7f 3 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.0.23.3 3.3.3.3 1138 0x80000001 0x008174 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1121 0x80000001 0x0033fb 10.0.12.0 2.2.2.2 1185 0x80000001 0x0050cd 10.1.11.0 3.3.3.3 1139 0x80000001 0x003bdd 10.1.11.0 4.4.4.4 1115 0x80000001 0x008189 10.1.12.0 3.3.3.3 1085 0x80000001 0x003adc 10.1.12.0 4.4.4.4 1131 0x80000001 0x006c9e 11.11.11.11 3.3.3.3 1139 0x80000001 0x0047bb 11.11.11.11 4.4.4.4 1083 0x80000001 0x00975c 12.12.12.12 3.3.3.3 1085 0x80000001 0x002dcf 12.12.12.12 4.4.4.4 1131 0x80000001 0x00559c 13.13.13.13 3.3.3.3 1085 0x80000001 0x00f405 13.13.13.13 4.4.4.4 1115 0x80000001 0x0031bb 172.16.3.0 3.3.3.3 1177 0x80000001 0x0092dd 172.16.3.0 4.4.4.4 1083 0x80000001 0x00ec73 172.16.4.0 3.3.3.3 1085 0x80000001 0x00ff63 172.16.4.0 4.4.4.4 1160 0x80000001 0x00c39e Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1121 0x80000001 0x001b14 Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1142 0x80000002 0x0078d9 2 4.4.4.4 4.4.4.4 1131 0x80000002 0x003001 2 11.11.11.11 11.11.11.11 1090 0x80000005 0x00c5d0 4 12.12.12.12 12.12.12.12 1121 0x80000004 0x001426 5 13.13.13.13 13.13.13.13 1090 0x80000005 0x00d3d3 4 Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 10.1.11.13 13.13.13.13 1090 0x80000001 0x003745 Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 1123 0x80000001 0x00c45f 1.1.1.1 4.4.4.4 1120 0x80000001 0x00a679 2.2.2.2 3.3.3.3 1140 0x80000001 0x008c94 2.2.2.2 4.4.4.4 1157 0x80000001 0x006eae 3.3.3.3 3.3.3.3 1180 0x80000001 0x0054c9 3.3.3.3 4.4.4.4 1131 0x80000001 0x004acd 4.4.4.4 3.3.3.3 1140 0x80000001 0x003add 4.4.4.4 4.4.4.4 1160 0x80000001 0x00080e 10.0.12.0 3.3.3.3 1140 0x80000001 0x00e131 10.0.12.0 4.4.4.4 1157 0x80000001 0x00c34b 10.0.23.0 3.3.3.3 1180 0x80000001 0x005eaa 10.0.23.0 4.4.4.4 1157 0x80000001 0x004ab9 10.0.24.0 3.3.3.3 1140 0x80000001 0x005da9 10.0.24.0 4.4.4.4 1160 0x80000001 0x0035ce Type-7 AS External Link States (Area 2) Link ID ADV Router Age Seq# Checksum Tag 192.168.11.0 11.11.11.11 149 0x80000004 0x00fec7 0 192.168.13.0 13.13.13.13 1131 0x80000002 0x0015a1 0 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 192.168.1.0 1.1.1.1 1135 0x80000001 0x000d25 0 192.168.11.0 4.4.4.4 146 0x80000003 0x006885 0 192.168.13.0 4.4.4.4 146 0x80000003 0x00b62d 0 RP/0/RP0/CPU0:R4#show ospf database router Wed Sep 9 08:32:23.399 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: 1138 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: 0xd275 Length: 72 Area Border Router Number of Links: 4 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: 10.0.23.3 (Link Data) Router Interface address: 10.0.23.2 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: 1138 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: 80000003 Checksum: 0x5060 Length: 48 Area Border Router AS Boundary Router 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: 10.0.23.3 (Link Data) Router Interface address: 10.0.23.3 Number of TOS metrics: 0 TOS 0 Metrics: 1 LS age: 1158 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: 80000003 Checksum: 0xd7f Length: 60 Area Border Router AS Boundary Router 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: 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 Router Link States (Area 2) Routing Bit Set on this LSA LS age: 1143 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: 80000002 Checksum: 0x78d9 Length: 48 Area Border Router AS Boundary Router Number of Links: 2 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 11.11.11.11 (Link Data) Router Interface address: 172.16.3.3 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 172.16.3.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 LS age: 1132 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: 80000002 Checksum: 0x3001 Length: 48 Area Border Router AS Boundary Router Number of Links: 2 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 12.12.12.12 (Link Data) Router Interface address: 172.16.4.4 Number of TOS metrics: 0 TOS 0 Metrics: 10 Link connected to: a Stub Network (Link ID) Network/subnet number: 172.16.4.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 10 Routing Bit Set on this LSA LS age: 1091 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 11.11.11.11 Advertising Router: 11.11.11.11 LS Seq Number: 80000005 Checksum: 0xc5d0 Length: 72 AS Boundary Router Number of Links: 4 Link connected to: a Stub Network (Link ID) Network/subnet number: 11.11.11.11 (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: 172.16.3.11 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 172.16.3.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 10.1.11.13 (Link Data) Router Interface address: 10.1.11.11 Number of TOS metrics: 0 TOS 0 Metrics: 1 Routing Bit Set on this LSA LS age: 1122 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 12.12.12.12 Advertising Router: 12.12.12.12 LS Seq Number: 80000004 Checksum: 0x1426 Length: 84 Number of Links: 5 Link connected to: a Stub Network (Link ID) Network/subnet number: 12.12.12.12 (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: 172.16.4.12 Number of TOS metrics: 0 TOS 0 Metrics: 10 Link connected to: a Stub Network (Link ID) Network/subnet number: 172.16.4.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 10 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 13.13.13.13 (Link Data) Router Interface address: 10.1.12.12 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.1.12.0 (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: 1091 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 13.13.13.13 Advertising Router: 13.13.13.13 LS Seq Number: 80000005 Checksum: 0xd3d3 Length: 72 AS Boundary Router Number of Links: 4 Link connected to: a Stub Network (Link ID) Network/subnet number: 13.13.13.13 (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: 10.1.11.13 (Link Data) Router Interface address: 10.1.11.13 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 12.12.12.12 (Link Data) Router Interface address: 10.1.12.13 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.1.12.0 (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 Wed Sep 9 08:32:24.256 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Net Link States (Area 0) Routing Bit Set on this LSA LS age: 1140 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.0.23.3 (address of Designated Router) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x8174 Length: 32 Network Mask: /24 Attached Router: 2.2.2.2 Attached Router: 3.3.3.3 Net Link States (Area 2) Routing Bit Set on this LSA LS age: 1092 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 10.1.11.13 (address of Designated Router) Advertising Router: 13.13.13.13 LS Seq Number: 80000001 Checksum: 0x3745 Length: 32 Network Mask: /24 Attached Router: 11.11.11.11 Attached Router: 13.13.13.13 RP/0/RP0/CPU0:R4#show ospf statistics interface Wed Sep 9 08:32:25.058 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 123 - 123 - - DB Des 3 3 2 2 2 LS Req 1 1 1 2 0 LS Upd 10 10 9 20 15 LS Ack 7 7 6 14 18 TOTAL 144 21 141 38 35 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 2 OSPF packet and LSA statistics RX(hello) RX(router) TX LSA RX LSA TX Hello 121 - 123 - - DB Des 2 2 3 1 10 LS Req 1 1 1 10 0 LS Upd 14 14 5 33 15 LS Ack 4 4 8 14 31 TOTAL 142 21 140 58 56 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 nssa-external Wed Sep 9 08:32:26.052 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Type-7 AS External Link States (Area 2) Routing Bit Set on this LSA LS age: 152 Options: (No TOS-capability, Type 7/5 translation, DC) LS Type: AS External Link Link State ID: 192.168.11.0 (External Network Number) Advertising Router: 11.11.11.11 LS Seq Number: 80000004 Checksum: 0xfec7 Length: 36 Network Mask: /24 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: 11.11.11.11 External Route Tag: 0 Routing Bit Set on this LSA LS age: 1134 Options: (No TOS-capability, Type 7/5 translation, DC) LS Type: AS External Link Link State ID: 192.168.13.0 (External Network Number) Advertising Router: 13.13.13.13 LS Seq Number: 80000002 Checksum: 0x15a1 Length: 36 Network Mask: /24 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: 13.13.13.13 External Route Tag: 0 RP/0/RP0/CPU0:R4#show ospf database external Wed Sep 9 08:32:26.765 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Type-5 AS External Link States Routing Bit Set on this LSA LS age: 1139 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.1.0 (External Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0xd25 Length: 36 Network Mask: /24 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: 0.0.0.0 External Route Tag: 0 LS age: 150 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.11.0 (External Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000003 Checksum: 0x6885 Length: 36 Network Mask: /24 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: 11.11.11.11 External Route Tag: 0 LS age: 150 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.13.0 (External Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000003 Checksum: 0xb62d Length: 36 Network Mask: /24 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: 13.13.13.13 External Route Tag: 0 RP/0/RP0/CPU0:R4#show ospf database database-summary Wed Sep 9 08:32:27.356 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Area 0 database summary LSA Type Count Delete Maxage Router 3 0 0 Network 1 0 0 Summary Net 16 0 0 Summary ASBR 1 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Subtotal 21 0 0 Area 2 database summary LSA Type Count Delete Maxage Router 5 0 0 Network 1 0 0 Summary Net 14 0 0 Summary ASBR 0 0 0 Type-7 Ext 2 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Subtotal 22 0 0 Process 1 database summary Router 8 0 0 Network 2 0 0 Summary Net 30 0 0 Summary ASBR 1 0 0 Type-7 Ext 2 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Type-5 Ext 3 0 0 Opaque AS 0 0 0 Total 46 0 0