RP/0/RP0/CPU0:R4#show version Wed Sep 9 05:44:54.514 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 6 minutes XRd Control Plane Container RP/0/RP0/CPU0:R4#show interface description Wed Sep 9 05:44:54.696 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 05:44:54.885 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, 00:02:56, GigabitEthernet0/0/0/0 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:03:42, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/3] via 10.0.24.2, 00:03:42, GigabitEthernet0/0/0/0 L 4.4.4.4/32 is directly connected, 00:03:48, Loopback0 O IA 10.0.12.0/24 [110/2] via 10.0.24.2, 00:03:42, GigabitEthernet0/0/0/0 O 10.0.23.0/24 [110/2] via 10.0.24.2, 00:03:42, GigabitEthernet0/0/0/0 C 10.0.24.0/24 is directly connected, 00:03:44, GigabitEthernet0/0/0/0 L 10.0.24.4/32 is directly connected, 00:03:44, GigabitEthernet0/0/0/0 O 10.1.11.0/24 [110/12] via 172.16.4.12, 00:03:09, GigabitEthernet0/0/0/1 O 10.1.12.0/24 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 10.2.0.1/32 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O 10.2.0.2/32 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O 10.2.0.3/32 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 10.2.0.4/32 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 10.2.0.5/32 [110/12] via 172.16.4.12, 00:03:09, GigabitEthernet0/0/0/1 O 11.11.11.11/32 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O 12.12.12.12/32 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 13.13.13.13/32 [110/12] via 172.16.4.12, 00:03:09, GigabitEthernet0/0/0/1 O 172.16.3.0/24 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 C 172.16.4.0/24 is directly connected, 00:03:44, GigabitEthernet0/0/0/1 L 172.16.4.4/32 is directly connected, 00:03:44, GigabitEthernet0/0/0/1 O E2 192.168.1.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.16.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.17.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.18.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.19.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R4#show route ospf Wed Sep 9 05:44:55.038 UTC O IA 1.1.1.1/32 [110/3] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O 2.2.2.2/32 [110/2] via 10.0.24.2, 00:03:43, GigabitEthernet0/0/0/0 O 3.3.3.3/32 [110/3] via 10.0.24.2, 00:03:43, GigabitEthernet0/0/0/0 O IA 10.0.12.0/24 [110/2] via 10.0.24.2, 00:03:43, GigabitEthernet0/0/0/0 O 10.0.23.0/24 [110/2] via 10.0.24.2, 00:03:43, GigabitEthernet0/0/0/0 O 10.1.11.0/24 [110/12] via 172.16.4.12, 00:03:10, GigabitEthernet0/0/0/1 O 10.1.12.0/24 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 10.2.0.1/32 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O 10.2.0.2/32 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O 10.2.0.3/32 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 10.2.0.4/32 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 10.2.0.5/32 [110/12] via 172.16.4.12, 00:03:10, GigabitEthernet0/0/0/1 O 11.11.11.11/32 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O 12.12.12.12/32 [110/11] via 172.16.4.12, 00:03:15, GigabitEthernet0/0/0/1 O 13.13.13.13/32 [110/12] via 172.16.4.12, 00:03:10, GigabitEthernet0/0/0/1 O 172.16.3.0/24 [110/13] via 172.16.4.12, 00:03:02, GigabitEthernet0/0/0/1 O E2 192.168.1.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.16.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.17.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.18.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 O E2 192.168.19.0/24 [110/20] via 10.0.24.2, 00:02:56, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R4#show ospf Wed Sep 9 05:44:55.202 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 router Maximum number of non self-generated LSA allowed 500000 Current number of non self-generated LSA 34 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 5. Checksum Sum 0x034e67 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. 2 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 2 SPF algorithm executed 4 times Number of LSA 30. Checksum Sum 0x0fbfa8 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 SPF algorithm executed 9 times Number of LSA 21. Checksum Sum 0x08c515 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 05:44:55.958 UTC Interfaces for OSPF 1 Loopback0 is up, line protocol is up Internet Address 4.4.4.4/32, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 4.4.4.4, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host Multi-area interface Count is 0 GigabitEthernet0/0/0/0 is up, line protocol is up Internet Address 10.0.24.4/24, Area 0, SID 0, Strict-SPF SID 0 Label stack Primary label 0 Backup label 0 SRTE label 0 Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 1 Transmit Delay is 1 sec, State POINT_TO_POINT, MTU 1500, MaxPktSz 1500 Forward reference No, Unnumbered no, Bandwidth 1000000 RIB LC sync Yes Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01:458 Index 1/1, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 4, maximum is 4 Last flood scan time is 0 msec, maximum is 0 msec LS Ack List: current length 0, high water mark 14 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 00:00:00:516 Index 1/2, flood queue length 0 Next 0(0)/0(0) Last flood scan length is 2, maximum is 5 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 05:44:56.557 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 05:44:57.354 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/ - 00:00:34 10.0.24.2 GigabitEthernet0/0/0/0 Neighbor is up for 00:03:45 12.12.12.12 1 FULL/ - 00:00:35 172.16.4.12 GigabitEthernet0/0/0/1 Neighbor is up for 00:03:18 Total neighbor count: 2 RP/0/RP0/CPU0:R4#show ospf neighbor detail Wed Sep 9 05:44:57.906 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 00:00:33 Neighbor is up for 00:03:46 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 0x52 LLS Options is 0x1 (LR) Dead timer due in 00:00:34 Neighbor is up for 00:03:19 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: 2 Capabilities TLV Not Advertised in RI LSA Total neighbor count: 2 RP/0/RP0/CPU0:R4#show ospf database Wed Sep 9 05:44:58.621 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 2.2.2.2 227 0x80000004 0x000c23 5 3.3.3.3 3.3.3.3 228 0x80000003 0x00dcc0 3 4.4.4.4 4.4.4.4 226 0x80000003 0x000787 3 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 181 0x80000001 0x0033fb 10.0.12.0 2.2.2.2 246 0x80000001 0x0050cd 10.1.11.0 3.3.3.3 206 0x80000001 0x003bdd 10.1.11.0 4.4.4.4 194 0x80000001 0x008189 10.1.12.0 3.3.3.3 183 0x80000001 0x003adc 10.1.12.0 4.4.4.4 199 0x80000001 0x006c9e 10.2.0.1 3.3.3.3 206 0x80000001 0x009e83 10.2.0.1 4.4.4.4 186 0x80000001 0x00ee24 10.2.0.2 3.3.3.3 206 0x80000001 0x00948c 10.2.0.2 4.4.4.4 186 0x80000001 0x00e42d 10.2.0.3 3.3.3.3 183 0x80000001 0x009e7f 10.2.0.3 4.4.4.4 199 0x80000001 0x00c64c 10.2.0.4 3.3.3.3 183 0x80000001 0x009488 10.2.0.4 4.4.4.4 199 0x80000001 0x00bc55 10.2.0.5 3.3.3.3 183 0x80000001 0x00809c 10.2.0.5 4.4.4.4 194 0x80000001 0x00bc53 11.11.11.11 3.3.3.3 206 0x80000001 0x0047bb 11.11.11.11 4.4.4.4 186 0x80000001 0x00975c 12.12.12.12 3.3.3.3 183 0x80000001 0x002dcf 12.12.12.12 4.4.4.4 199 0x80000001 0x00559c 13.13.13.13 3.3.3.3 183 0x80000001 0x00f405 13.13.13.13 4.4.4.4 194 0x80000001 0x0031bb 172.16.3.0 3.3.3.3 234 0x80000001 0x0092dd 172.16.3.0 4.4.4.4 186 0x80000001 0x00ec73 172.16.4.0 3.3.3.3 183 0x80000001 0x00ff63 172.16.4.0 4.4.4.4 228 0x80000001 0x00c39e Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 181 0x80000001 0x001b14 Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 208 0x80000002 0x00cc8d 2 4.4.4.4 4.4.4.4 199 0x80000002 0x0084b4 2 11.11.11.11 11.11.11.11 189 0x80000004 0x00200b 7 12.12.12.12 12.12.12.12 195 0x80000004 0x00d628 7 13.13.13.13 13.13.13.13 188 0x80000004 0x00ce90 6 Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 184 0x80000001 0x001f0b 1.1.1.1 4.4.4.4 180 0x80000001 0x000125 2.2.2.2 3.3.3.3 229 0x80000001 0x00e640 2.2.2.2 4.4.4.4 226 0x80000001 0x00c85a 3.3.3.3 3.3.3.3 236 0x80000001 0x00ae75 3.3.3.3 4.4.4.4 226 0x80000001 0x00a479 4.4.4.4 3.3.3.3 224 0x80000001 0x009489 4.4.4.4 4.4.4.4 228 0x80000001 0x0062b9 10.0.12.0 3.3.3.3 229 0x80000001 0x003cdc 10.0.12.0 4.4.4.4 226 0x80000001 0x001ef6 10.0.23.0 3.3.3.3 236 0x80000001 0x00b856 10.0.23.0 4.4.4.4 226 0x80000001 0x00a465 10.0.24.0 3.3.3.3 229 0x80000001 0x00b755 10.0.24.0 4.4.4.4 228 0x80000001 0x008f7a Summary ASB Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 184 0x80000001 0x000723 1.1.1.1 4.4.4.4 180 0x80000001 0x00e83d Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 192.168.1.0 1.1.1.1 190 0x80000001 0x000d25 0 192.168.16.0 1.1.1.1 190 0x80000001 0x0067bb 0 192.168.17.0 1.1.1.1 190 0x80000001 0x005cc5 0 192.168.18.0 1.1.1.1 190 0x80000001 0x0051cf 0 192.168.19.0 1.1.1.1 190 0x80000001 0x0046d9 0 RP/0/RP0/CPU0:R4#show ospf database router Wed Sep 9 05:44:59.248 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: 228 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: 0xc23 Length: 84 Area Border Router Number of Links: 5 Link connected to: a Stub Network (Link ID) Network/subnet number: 2.2.2.2 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 10.0.23.2 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.23.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 4.4.4.4 (Link Data) Router Interface address: 10.0.24.2 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: 229 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: 0xdcc0 Length: 60 Area Border Router 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: another Router (point-to-point) (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 10.0.23.3 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.0.23.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 LS age: 227 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: 0x787 Length: 60 Area Border 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: 209 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: 0xcc8d Length: 48 Area Border 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: 200 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: 0x84b4 Length: 48 Area Border 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: 190 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: 80000004 Checksum: 0x200b Length: 108 Number of Links: 7 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: a Stub Network (Link ID) Network/subnet number: 10.2.0.1 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.2.0.2 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 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: another Router (point-to-point) (Link ID) Neighboring Router ID: 13.13.13.13 (Link Data) Router Interface address: 10.1.11.11 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.1.11.0 (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: 196 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: 0xd628 Length: 108 Number of Links: 7 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: a Stub Network (Link ID) Network/subnet number: 10.2.0.3 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.2.0.4 (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: 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: 189 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: 80000004 Checksum: 0xce90 Length: 96 Number of Links: 6 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 Stub Network (Link ID) Network/subnet number: 10.2.0.5 (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: 11.11.11.11 (Link Data) Router Interface address: 10.1.11.13 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.1.11.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 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 05:45:00.010 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) RP/0/RP0/CPU0:R4#show ospf statistics interface Wed Sep 9 05:45:00.663 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 25 - 25 - - DB Des 3 3 2 4 2 LS Req 1 1 1 2 0 LS Upd 6 6 5 23 14 LS Ack 4 4 3 13 22 TOTAL 39 14 36 42 38 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 22 - 25 - - DB Des 2 2 3 1 12 LS Req 1 1 1 12 0 LS Upd 10 10 6 31 25 LS Ack 4 4 4 24 28 TOTAL 39 17 39 68 65 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 asbr-summary self-originate Wed Sep 9 05:45:01.638 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Summary ASB Link States (Area 2) LS age: 183 Options: (No TOS-capability, DC) LS Type: Summary Links (AS Boundary Router) Link State ID: 1.1.1.1 (AS Boundary Router address) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0xe83d Length: 28 Network Mask: /0 TOS: 0 Metric: 2 RP/0/RP0/CPU0:R4#show ospf database asbr-summary Wed Sep 9 05:45:02.308 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Summary ASB Link States (Area 0) Routing Bit Set on this LSA LS age: 185 Options: (No TOS-capability, DC) LS Type: Summary Links (AS Boundary Router) Link State ID: 1.1.1.1 (AS Boundary Router address) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0x1b14 Length: 28 Network Mask: /0 TOS: 0 Metric: 1 Summary ASB Link States (Area 2) Adv Router is not-reachable LS age: 188 Options: (No TOS-capability, DC) LS Type: Summary Links (AS Boundary Router) Link State ID: 1.1.1.1 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 80000001 Checksum: 0x723 Length: 28 Network Mask: /0 TOS: 0 Metric: 2 LS age: 184 Options: (No TOS-capability, DC) LS Type: Summary Links (AS Boundary Router) Link State ID: 1.1.1.1 (AS Boundary Router address) Advertising Router: 4.4.4.4 LS Seq Number: 80000001 Checksum: 0xe83d Length: 28 Network Mask: /0 TOS: 0 Metric: 2 RP/0/RP0/CPU0:R4#show ospf database router self-originate Wed Sep 9 05:45:02.848 UTC OSPF Router with ID (4.4.4.4) (Process ID 1) Router Link States (Area 0) LS age: 231 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: 0x787 Length: 60 Area Border 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: 203 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: 0x84b4 Length: 48 Area Border 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 external Wed Sep 9 05:45:03.565 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: 196 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 Routing Bit Set on this LSA LS age: 196 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.16.0 (External Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0x67bb 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 Routing Bit Set on this LSA LS age: 196 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.17.0 (External Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0x5cc5 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 Routing Bit Set on this LSA LS age: 196 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.18.0 (External Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0x51cf 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 Routing Bit Set on this LSA LS age: 196 Options: (No TOS-capability, DC) LS Type: AS External Link Link State ID: 192.168.19.0 (External Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0x46d9 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 RP/0/RP0/CPU0:R4#show ospf border-routers Wed Sep 9 05:45:04.322 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 4 i 2.2.2.2 [1] via 10.0.24.2, GigabitEthernet0/0/0/0, ABR , Area 0, SPF 4 i 3.3.3.3 [2] via 10.0.24.2, GigabitEthernet0/0/0/0, ABR , Area 0, SPF 4 i 3.3.3.3 [13] via 172.16.4.12, GigabitEthernet0/0/0/1, ABR , Area 2, SPF 9 RP/0/RP0/CPU0:R4#show ospf routes Wed Sep 9 05:45:05.106 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 4, 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 4, 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 4, 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 4, path-id 1 O 10.0.23.0/24, metric 2 10.0.24.2, from 2.2.2.2, via GigabitEthernet0/0/0/0, ifIndex 4, path-id 1 O 10.0.24.0/24, metric 1 10.0.24.4, directly connected, via GigabitEthernet0/0/0/0, ifIndex 4 O 10.1.11.0/24, metric 12 172.16.4.12, from 13.13.13.13, via GigabitEthernet0/0/0/1, ifIndex 5, 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 5, path-id 1 O 10.2.0.1/32, metric 13 172.16.4.12, from 11.11.11.11, via GigabitEthernet0/0/0/1, ifIndex 5, path-id 1 O 10.2.0.2/32, metric 13 172.16.4.12, from 11.11.11.11, via GigabitEthernet0/0/0/1, ifIndex 5, path-id 1 O 10.2.0.3/32, metric 11 172.16.4.12, from 12.12.12.12, via GigabitEthernet0/0/0/1, ifIndex 5, path-id 1 O 10.2.0.4/32, metric 11 172.16.4.12, from 12.12.12.12, via GigabitEthernet0/0/0/1, ifIndex 5, path-id 1 O 10.2.0.5/32, metric 12 172.16.4.12, from 13.13.13.13, via GigabitEthernet0/0/0/1, ifIndex 5, 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 5, 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 5, 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 5, 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 5, path-id 1 O 172.16.4.0/24, metric 10 172.16.4.4, directly connected, via GigabitEthernet0/0/0/1, ifIndex 5 O E2 192.168.1.0/24, metric 20 10.0.24.2, from 1.1.1.1, via GigabitEthernet0/0/0/0, ifIndex 4, path-id 1 O E2 192.168.16.0/24, metric 20 10.0.24.2, from 1.1.1.1, via GigabitEthernet0/0/0/0, ifIndex 4, path-id 1 O E2 192.168.17.0/24, metric 20 10.0.24.2, from 1.1.1.1, via GigabitEthernet0/0/0/0, ifIndex 4, path-id 1 O E2 192.168.18.0/24, metric 20 10.0.24.2, from 1.1.1.1, via GigabitEthernet0/0/0/0, ifIndex 4, path-id 1 O E2 192.168.19.0/24, metric 20 10.0.24.2, from 1.1.1.1, via GigabitEthernet0/0/0/0, ifIndex 4, path-id 1 RP/0/RP0/CPU0:R4#show ospf database database-summary Wed Sep 9 05:45:05.707 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 0 0 0 Summary Net 26 0 0 Summary ASBR 1 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Subtotal 30 0 0 Area 2 database summary LSA Type Count Delete Maxage Router 5 0 0 Network 0 0 0 Summary Net 14 0 0 Summary ASBR 2 0 0 Type-7 Ext 0 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 0 0 0 Summary Net 40 0 0 Summary ASBR 3 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Type-5 Ext 5 0 0 Opaque AS 0 0 0 Total 56 0 0