RP/0/RP0/CPU0:R4#show version Tue Sep 8 06:01:16.833 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 22 minutes XRd Control Plane Container RP/0/RP0/CPU0:R4#show interface description Tue Sep 8 06:01:16.947 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 Tue Sep 8 06:01:17.130 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, 00:19:03, GigabitEthernet0/0/0/0 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:19:41, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/3] via 10.0.24.2, 00:19:15, GigabitEthernet0/0/0/0 L 4.4.4.4/32 is directly connected, 00:19:53, Loopback0 O IA 10.0.12.0/24 [110/2] via 10.0.24.2, 00:19:41, GigabitEthernet0/0/0/0 O 10.0.23.0/24 [110/2] via 10.0.24.2, 00:19:20, GigabitEthernet0/0/0/0 C 10.0.24.0/24 is directly connected, 00:19:50, GigabitEthernet0/0/0/0 L 10.0.24.4/32 is directly connected, 00:19:50, GigabitEthernet0/0/0/0 O 10.1.11.0/24 [110/12] via 172.16.4.12, 00:02:26, GigabitEthernet0/0/0/1 O 10.1.12.0/24 [110/11] via 172.16.4.12, 00:19:30, GigabitEthernet0/0/0/1 O 11.11.11.11/32 [110/13] via 172.16.4.12, 00:02:22, GigabitEthernet0/0/0/1 O 12.12.12.12/32 [110/11] via 172.16.4.12, 00:19:30, GigabitEthernet0/0/0/1 O 13.13.13.13/32 [110/12] via 172.16.4.12, 00:19:07, GigabitEthernet0/0/0/1 O 172.16.3.0/24 [110/13] via 172.16.4.12, 00:02:22, GigabitEthernet0/0/0/1 C 172.16.4.0/24 is directly connected, 00:19:49, GigabitEthernet0/0/0/1 L 172.16.4.4/32 is directly connected, 00:19:49, GigabitEthernet0/0/0/1 O E2 192.168.1.0/24 [110/20] via 10.0.24.2, 00:19:03, GigabitEthernet0/0/0/0 O N2 192.168.13.0/24 [110/20] via 172.16.4.12, 00:19:07, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R4#show route ospf Tue Sep 8 06:01:17.289 UTC O IA 1.1.1.1/32 [110/3] via 10.0.24.2, 00:19:03, GigabitEthernet0/0/0/0 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:19:41, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/3] via 10.0.24.2, 00:19:15, GigabitEthernet0/0/0/0 O IA 10.0.12.0/24 [110/2] via 10.0.24.2, 00:19:41, GigabitEthernet0/0/0/0 O 10.0.23.0/24 [110/2] via 10.0.24.2, 00:19:20, GigabitEthernet0/0/0/0 O 10.1.11.0/24 [110/12] via 172.16.4.12, 00:02:26, GigabitEthernet0/0/0/1 O 10.1.12.0/24 [110/11] via 172.16.4.12, 00:19:31, GigabitEthernet0/0/0/1 O 11.11.11.11/32 [110/13] via 172.16.4.12, 00:02:22, GigabitEthernet0/0/0/1 O 12.12.12.12/32 [110/11] via 172.16.4.12, 00:19:31, GigabitEthernet0/0/0/1 O 13.13.13.13/32 [110/12] via 172.16.4.12, 00:19:07, GigabitEthernet0/0/0/1 O 172.16.3.0/24 [110/13] via 172.16.4.12, 00:02:22, GigabitEthernet0/0/0/1 O E2 192.168.1.0/24 [110/20] via 10.0.24.2, 00:19:03, GigabitEthernet0/0/0/0 O N2 192.168.13.0/24 [110/20] via 172.16.4.12, 00:19:07, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R4#show ospf Tue Sep 8 06:01:17.470 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 27 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 0x0050c7 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 7 times Number of LSA 21. Checksum Sum 0x0c246d 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 16 times Number of LSA 21. Checksum Sum 0x0b90b0 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 Tue Sep 8 06:01:18.208 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 00:00:04:571 Index 1/1, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 2, maximum is 3 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 6 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 00:00:01:616 Index 1/2, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 2, maximum is 4 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 15 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 Tue Sep 8 06:01:18.929 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 Tue Sep 8 06:01:19.571 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/ - 00:00:33 10.0.24.2 GigabitEthernet0/0/0/0 Neighbor is up for 00:19:44 12.12.12.12 1 FULL/ - 00:00:31 172.16.4.12 GigabitEthernet0/0/0/1 Neighbor is up for 00:19:34 Total neighbor count: 2 RP/0/RP0/CPU0:R4#show ospf neighbor detail Tue Sep 8 06:01:20.240 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 00:00:32 Neighbor is up for 00:19:45 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: 6 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 00:00:39 Neighbor is up for 00:19:34 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 Tue Sep 8 06:01:20.882 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 1165 0x80000004 0x00d275 4 3.3.3.3 3.3.3.3 1165 0x80000003 0x005060 2 4.4.4.4 4.4.4.4 1185 0x80000003 0x000d7f 3 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.0.23.3 3.3.3.3 1166 0x80000001 0x008174 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1148 0x80000001 0x0033fb 10.0.12.0 2.2.2.2 1213 0x80000001 0x0050cd 10.1.11.0 3.3.3.3 653 0x80000003 0x0037df 10.1.11.0 4.4.4.4 150 0x80000003 0x007d8b 10.1.12.0 3.3.3.3 148 0x80000001 0x003adc 10.1.12.0 4.4.4.4 1175 0x80000001 0x006c9e 11.11.11.11 3.3.3.3 1177 0x80000001 0x0047bb 11.11.11.11 4.4.4.4 146 0x80000001 0x00975c 12.12.12.12 3.3.3.3 148 0x80000001 0x002dcf 12.12.12.12 4.4.4.4 1175 0x80000001 0x00559c 13.13.13.13 3.3.3.3 148 0x80000001 0x00f405 13.13.13.13 4.4.4.4 1151 0x80000001 0x0031bb 172.16.3.0 3.3.3.3 1205 0x80000001 0x0092dd 172.16.3.0 4.4.4.4 146 0x80000001 0x00ec73 172.16.4.0 3.3.3.3 148 0x80000001 0x00ff63 172.16.4.0 4.4.4.4 1194 0x80000001 0x00c39e Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1148 0x80000001 0x001b14 Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1179 0x80000002 0x0078d9 2 4.4.4.4 4.4.4.4 1175 0x80000002 0x003001 2 11.11.11.11 11.11.11.11 153 0x80000008 0x00b9db 4 12.12.12.12 12.12.12.12 1157 0x80000004 0x001426 5 13.13.13.13 13.13.13.13 153 0x80000007 0x00cfd5 4 Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 10.1.11.13 13.13.13.13 153 0x80000002 0x003546 Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 1150 0x80000001 0x00c45f 1.1.1.1 4.4.4.4 1147 0x80000001 0x00a679 2.2.2.2 3.3.3.3 1167 0x80000001 0x008c94 2.2.2.2 4.4.4.4 1185 0x80000001 0x006eae 3.3.3.3 3.3.3.3 1207 0x80000001 0x0054c9 3.3.3.3 4.4.4.4 1159 0x80000001 0x004acd 4.4.4.4 3.3.3.3 1167 0x80000001 0x003add 4.4.4.4 4.4.4.4 1194 0x80000001 0x00080e 10.0.12.0 3.3.3.3 1167 0x80000001 0x00e131 10.0.12.0 4.4.4.4 1185 0x80000001 0x00c34b 10.0.23.0 3.3.3.3 1207 0x80000001 0x005eaa 10.0.23.0 4.4.4.4 1185 0x80000001 0x004ab9 10.0.24.0 3.3.3.3 1167 0x80000001 0x005da9 10.0.24.0 4.4.4.4 1194 0x80000001 0x0035ce Type-7 AS External Link States (Area 2) Link ID ADV Router Age Seq# Checksum Tag 192.168.13.0 13.13.13.13 1163 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 1161 0x80000001 0x000d25 0 192.168.13.0 4.4.4.4 1151 0x80000001 0x00ba2b 0 RP/0/RP0/CPU0:R4#show ospf database router Tue Sep 8 06:01:21.682 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: 1166 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: 1166 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: 1186 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: 1180 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: 1176 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: 154 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: 80000008 Checksum: 0xb9db Length: 72 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: 1158 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: 153 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: 80000007 Checksum: 0xcfd5 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 Tue Sep 8 06:01:22.283 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: 1168 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: 154 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: 80000002 Checksum: 0x3546 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 Tue Sep 8 06:01:22.976 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 126 - 127 - - DB Des 3 3 2 2 2 LS Req 1 1 1 2 0 LS Upd 13 13 9 36 16 LS Ack 7 7 9 14 34 TOTAL 150 24 148 54 52 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 125 - 126 - - DB Des 2 2 3 1 6 LS Req 1 1 1 6 0 LS Upd 18 18 10 43 21 LS Ack 8 8 10 19 41 TOTAL 154 29 150 69 68 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 router self-originate Tue Sep 8 06:01:23.683 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Router Link States (Area 0) LS age: 1188 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) LS age: 1178 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 RP/0/RP0/CPU0:R4#show ospf database summary Tue Sep 8 06:01:24.433 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Summary Net Link States (Area 0) Routing Bit Set on this LSA LS age: 1152 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 1.1.1.1 (Summary Network Number) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0x33fb Length: 28 Network Mask: /32 TOS: 0 Metric: 2 Routing Bit Set on this LSA LS age: 1217 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.12.0 (Summary Network Number) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0x50cd Length: 28 Network Mask: /24 TOS: 0 Metric: 1 LS age: 656 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.1.11.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000003 Checksum: 0x37df Length: 28 Network Mask: /24 TOS: 0 Metric: 2 LS age: 154 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.1.11.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000003 Checksum: 0x7d8b Length: 28 Network Mask: /24 TOS: 0 Metric: 12 LS age: 151 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.1.12.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x3adc Length: 28 Network Mask: /24 TOS: 0 Metric: 3 LS age: 1178 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.1.12.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x6c9e Length: 28 Network Mask: /24 TOS: 0 Metric: 11 LS age: 1181 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 11.11.11.11 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x47bb Length: 28 Network Mask: /32 TOS: 0 Metric: 2 LS age: 149 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 11.11.11.11 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x975c Length: 28 Network Mask: /32 TOS: 0 Metric: 13 LS age: 151 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 12.12.12.12 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x2dcf Length: 28 Network Mask: /32 TOS: 0 Metric: 4 LS age: 1178 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 12.12.12.12 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x559c Length: 28 Network Mask: /32 TOS: 0 Metric: 11 LS age: 151 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 13.13.13.13 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0xf405 Length: 28 Network Mask: /32 TOS: 0 Metric: 3 LS age: 1155 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 13.13.13.13 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x31bb Length: 28 Network Mask: /32 TOS: 0 Metric: 12 LS age: 1209 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 172.16.3.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x92dd Length: 28 Network Mask: /24 TOS: 0 Metric: 1 LS age: 149 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 172.16.3.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0xec73 Length: 28 Network Mask: /24 TOS: 0 Metric: 13 LS age: 151 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 172.16.4.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0xff63 Length: 28 Network Mask: /24 TOS: 0 Metric: 13 LS age: 1197 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 172.16.4.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0xc39e Length: 28 Network Mask: /24 TOS: 0 Metric: 10 Summary Net Link States (Area 2) LS age: 1154 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 1.1.1.1 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0xc45f Length: 28 Network Mask: /32 TOS: 0 Metric: 3 LS age: 1151 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 1.1.1.1 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0xa679 Length: 28 Network Mask: /32 TOS: 0 Metric: 3 LS age: 1171 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 2.2.2.2 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x8c94 Length: 28 Network Mask: /32 TOS: 0 Metric: 2 LS age: 1189 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 2.2.2.2 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x6eae Length: 28 Network Mask: /32 TOS: 0 Metric: 2 LS age: 1211 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 3.3.3.3 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x54c9 Length: 28 Network Mask: /32 TOS: 0 Metric: 1 LS age: 1163 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 3.3.3.3 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x4acd Length: 28 Network Mask: /32 TOS: 0 Metric: 3 LS age: 1171 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 4.4.4.4 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x3add Length: 28 Network Mask: /32 TOS: 0 Metric: 3 LS age: 1197 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 4.4.4.4 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x80e Length: 28 Network Mask: /32 TOS: 0 Metric: 1 LS age: 1171 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.12.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0xe131 Length: 28 Network Mask: /24 TOS: 0 Metric: 2 LS age: 1189 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.12.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0xc34b Length: 28 Network Mask: /24 TOS: 0 Metric: 2 LS age: 1211 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.23.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x5eaa Length: 28 Network Mask: /24 TOS: 0 Metric: 1 LS age: 1189 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.23.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x4ab9 Length: 28 Network Mask: /24 TOS: 0 Metric: 2 LS age: 1171 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.24.0 (Summary Network Number) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x5da9 Length: 28 Network Mask: /24 TOS: 0 Metric: 2 LS age: 1197 Options: (No TOS-capability, DC) LS Type: Summary Links (Network) Link State ID: 10.0.24.0 (Summary Network Number) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0x35ce Length: 28 Network Mask: /24 TOS: 0 Metric: 1 RP/0/RP0/CPU0:R4#show ospf database external Tue Sep 8 06:01:25.144 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: 1166 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: 1155 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: 80000001 Checksum: 0xba2b 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 nssa-external Tue Sep 8 06:01:25.723 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: 1168 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 border-routers Tue Sep 8 06:01:26.380 UTC OSPF 1 Internal Routing Table Codes: i - Intra-area route, I - Inter-area route I 1.1.1.1 [2] via 10.0.24.2, GigabitEthernet0/0/0/0, ASBR , Area 0, SPF 7 i 2.2.2.2 [1] via 10.0.24.2, GigabitEthernet0/0/0/0, ABR , Area 0, SPF 7 i 3.3.3.3 [2] via 10.0.24.2, GigabitEthernet0/0/0/0, ABR/ASBR , Area 0, SPF 7 i 3.3.3.3 [13] via 172.16.4.12, GigabitEthernet0/0/0/1, ABR/ASBR , Area 2, SPF 16 i 13.13.13.13 [11] via 172.16.4.12, GigabitEthernet0/0/0/1, ASBR , Area 2, SPF 16 RP/0/RP0/CPU0:R4#show ospf routes Tue Sep 8 06:01:26.984 UTC Topology Table for ospf 1 with ID 4.4.4.4 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 IA 1.1.1.1/32, metric 3 10.0.24.2, from 2.2.2.2, via GigabitEthernet0/0/0/0, ifIndex 3, path-id 1 O 2.2.2.2/32, metric 2 10.0.24.2, from 2.2.2.2, via GigabitEthernet0/0/0/0, ifIndex 3, path-id 1 O 3.3.3.3/32, metric 3 10.0.24.2, from 3.3.3.3, via GigabitEthernet0/0/0/0, ifIndex 3, path-id 1 O 4.4.4.4/32, metric 1 4.4.4.4, directly connected, via Loopback0, ifIndex 7 O IA 10.0.12.0/24, metric 2 10.0.24.2, from 2.2.2.2, via GigabitEthernet0/0/0/0, ifIndex 3, path-id 1 O 10.0.23.0/24, metric 2 10.0.24.2, from 3.3.3.3, via GigabitEthernet0/0/0/0, ifIndex 3, path-id 1 O 10.0.24.0/24, metric 1 10.0.24.4, directly connected, via GigabitEthernet0/0/0/0, ifIndex 3 O 10.1.11.0/24, metric 12 172.16.4.12, from 13.13.13.13, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 O 10.1.12.0/24, metric 11 172.16.4.12, from 12.12.12.12, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 O 11.11.11.11/32, metric 13 172.16.4.12, from 11.11.11.11, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 O 12.12.12.12/32, metric 11 172.16.4.12, from 12.12.12.12, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 O 13.13.13.13/32, metric 12 172.16.4.12, from 13.13.13.13, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 O 172.16.3.0/24, metric 13 172.16.4.12, from 11.11.11.11, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 O 172.16.4.0/24, metric 10 172.16.4.4, directly connected, via GigabitEthernet0/0/0/1, ifIndex 4 O E2 192.168.1.0/24, metric 20 10.0.24.2, from 1.1.1.1, via GigabitEthernet0/0/0/0, ifIndex 3, path-id 1 O N2 192.168.13.0/24, metric 20 172.16.4.12, from 13.13.13.13, via GigabitEthernet0/0/0/1, ifIndex 4, path-id 1 RP/0/RP0/CPU0:R4#show ospf database database-summary Tue Sep 8 06:01:27.648 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 1 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Subtotal 21 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 1 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Type-5 Ext 2 0 0 Opaque AS 0 0 0 Total 44 0 0