RP/0/RP0/CPU0:R1#show version Sun Sep 27 13:24:59.123 UTC Cisco IOS XR Software, Version 26.1.1 LNT Copyright (c) 2013-2026 by Cisco Systems, Inc. Build Information: Built By : cisco Built On : Thu Feb 26 03:41:18 UTC 2026 Build Host : iox-lnx-054 Workspace : /auto/srcarchive12/prod/26.1.1/xrd-control-plane/ws/ Version : 26.1.1 Label : 26.1.1 cisco XRd Control Plane cisco XRd-CP-C-01 processor with 248GB of memory R1 uptime is 21 minutes XRd Control Plane Container RP/0/RP0/CPU0:R1#show interface description Sun Sep 27 13:24:59.252 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 P1 (10.0.11.0/24 p2p) Gi0/0/0/1 up up to P2 (10.0.12.0/24 p2p) Gi0/0/0/2 up up to P3 (10.0.13.0/24 p2p) Gi0/0/0/3 up up to P4 (10.0.14.0/24 p2p) Gi0/0/0/4 up up to P5 (10.0.15.0/24 p2p) Gi0/0/0/5 up up to P6 (10.0.16.0/24 p2p) RP/0/RP0/CPU0:R1#show route Sun Sep 27 13:24:59.467 UTC Codes: C - connected, S - static, R - RIP, B - BGP, (>) - Diversion path D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, su - IS-IS summary null, * - candidate default U - per-user static route, o - ODR, L - local, G - DAGR, l - LISP A - access/subscriber, a - Application route M - mobile route, r - RPL, t - Traffic Engineering, (!) - FRR Backup path s - local SRv6 route, z - local IID route Gateway of last resort is not set L 1.1.1.1/32 is directly connected, 00:19:00, Loopback0 i L2 2.2.2.2/32 [115/10] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 i L2 3.3.3.3/32 [115/10] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/10] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 i L2 5.5.5.5/32 [115/10] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 6.6.6.6/32 [115/10] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 i L2 7.7.7.7/32 [115/10] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 8.8.8.8/32 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 C 10.0.11.0/24 is directly connected, 00:18:55, GigabitEthernet0/0/0/0 L 10.0.11.1/32 is directly connected, 00:18:55, GigabitEthernet0/0/0/0 C 10.0.12.0/24 is directly connected, 00:18:55, GigabitEthernet0/0/0/1 L 10.0.12.1/32 is directly connected, 00:18:55, GigabitEthernet0/0/0/1 C 10.0.13.0/24 is directly connected, 00:18:55, GigabitEthernet0/0/0/2 L 10.0.13.1/32 is directly connected, 00:18:55, GigabitEthernet0/0/0/2 C 10.0.14.0/24 is directly connected, 00:18:55, GigabitEthernet0/0/0/3 L 10.0.14.1/32 is directly connected, 00:18:55, GigabitEthernet0/0/0/3 C 10.0.15.0/24 is directly connected, 00:18:55, GigabitEthernet0/0/0/4 L 10.0.15.1/32 is directly connected, 00:18:55, GigabitEthernet0/0/0/4 C 10.0.16.0/24 is directly connected, 00:18:55, GigabitEthernet0/0/0/5 L 10.0.16.1/32 is directly connected, 00:18:55, GigabitEthernet0/0/0/5 i L2 10.0.81.0/24 [115/20] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 i L2 10.0.82.0/24 [115/20] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 10.0.83.0/24 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 i L2 10.0.84.0/24 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 10.0.85.0/24 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 i L2 10.0.86.0/24 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 192.168.8.1/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 192.168.8.2/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 192.168.8.3/32 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 192.168.8.4/32 [115/20] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 [115/20] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 192.168.8.5/32 [115/20] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 [115/20] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 192.168.8.6/32 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 192.168.8.7/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 192.168.8.8/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 RP/0/RP0/CPU0:R1#show route isis Sun Sep 27 13:24:59.668 UTC i L2 2.2.2.2/32 [115/10] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 i L2 3.3.3.3/32 [115/10] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/10] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 i L2 5.5.5.5/32 [115/10] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 6.6.6.6/32 [115/10] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 i L2 7.7.7.7/32 [115/10] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 8.8.8.8/32 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 10.0.81.0/24 [115/20] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 i L2 10.0.82.0/24 [115/20] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 10.0.83.0/24 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 i L2 10.0.84.0/24 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 10.0.85.0/24 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 i L2 10.0.86.0/24 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 192.168.8.1/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 192.168.8.2/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 192.168.8.3/32 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 192.168.8.4/32 [115/20] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 [115/20] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 192.168.8.5/32 [115/20] via 10.0.11.2, 00:02:20, GigabitEthernet0/0/0/0 [115/20] via 10.0.12.3, 00:02:20, GigabitEthernet0/0/0/1 i L2 192.168.8.6/32 [115/20] via 10.0.15.6, 00:02:20, GigabitEthernet0/0/0/4 [115/20] via 10.0.16.7, 00:02:20, GigabitEthernet0/0/0/5 i L2 192.168.8.7/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 i L2 192.168.8.8/32 [115/20] via 10.0.13.4, 00:02:20, GigabitEthernet0/0/0/2 [115/20] via 10.0.14.5, 00:02:20, GigabitEthernet0/0/0/3 RP/0/RP0/CPU0:R1#show isis Sun Sep 27 13:24:59.863 UTC IS-IS Router: 1 System Id: 0010.0100.1001 Hostname: R1 IS Levels: level-2-only Manual area address(es): 49.0001 Routing for area address(es): 49.0001 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4404 Respawn count: 1 Started: Sun 2026 Sep 27 13:05:47.608 UTC Null0 ready: Sun 2026 Sep 27 13:05:49.117 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1599958/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 14045588/2147483648 0% Memory usage specifics (count/bytes): Nodes: 8/3264 LSPs: 8/3346 Links: 24/29376 Prefixes: 40/36800 Nets: 28/18880 Paths: 72/6912 LSP MTU: 1492 LSP Full: level-1: No, level-2: No LSP fast flooding: Disabled Max LSP Tx: 1000 PSNP Delay: 500 ms PSNP interval: 50 ms Non-stop forwarding: Disabled Most recent startup mode: Cold Restart MFI LSD registered: No MFI LSD last registered: never TE connection status: Down TE connection up: never TE connection flaps: 0 XTC connection status: Down XTC connection up: never XTC connection flaps: 0 BFD connection status: Up BFD connection up: Sun 2026 Sep 27 13:05:50.019 UTC BFD connection flaps: 0 BFD HA role change: never BFD client HA role: none BFD server HA role: none Overload Bit: not configured Maximum Metric: not configured Topologies supported by IS-IS: IPv4 Unicast Rib connected Level-2 Metric style (generate/accept): Wide/Wide Metric: 10 No protocols redistributed Distance: 115 Advertise Passive Interface Prefixes Only: No Interfaces supported by IS-IS 1: Loopback0 is running passively (passive in configuration) GigabitEthernet0/0/0/0 is running actively (active in configuration) GigabitEthernet0/0/0/1 is running actively (active in configuration) GigabitEthernet0/0/0/2 is running actively (active in configuration) GigabitEthernet0/0/0/3 is running actively (active in configuration) GigabitEthernet0/0/0/4 is running actively (active in configuration) GigabitEthernet0/0/0/5 is running actively (active in configuration) RP/0/RP0/CPU0:R1#show isis interface Sun Sep 27 13:25:00.022 UTC IS-IS 1 Interfaces Loopback0 Enabled Adjacency Formation: Disabled (Passive in IS-IS cfg) Prefix Advertisement: Enabled Bandwidth: 0 Circuit Type: level-2-only (Configured: level-1-2) Media Type: Loop Circuit Number: 0 IPv4 Unicast Topology: Enabled Adjacency Formation: Disabled (Intf passive in IS-IS cfg) Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 0/0 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 0/0/0/0 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: None (Intf passive in IS-IS cfg) Global Prefix: 1.1.1.1/32 PME Link Delays and Loss: - GigabitEthernet0/0/0/0 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 4 Last IIH Received: 13:24:55 (4.79 sec ago), 1497 octets Last IIH Sent: 13:24:56 (3.92 sec ago), 1497 octets Sending next P2P IIH in: 6 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.00ed.07e8 Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 10/10 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.11.1 Global Prefix: 10.0.11.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 13:07:13.149 Received CSNP complete: 13:07:13.457 LSP Pacing Start: 13:07:13.457 LSP fast flooding: Disabled PME Link Delays and Loss: - GigabitEthernet0/0/0/1 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 4 Last IIH Received: 13:24:58 (1.11 sec ago), 1497 octets Last IIH Sent: 13:24:58 (1.14 sec ago), 1497 octets Sending next P2P IIH in: 6 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.00bd.d02d Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 10/10 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.12.1 Global Prefix: 10.0.12.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 13:06:15.032 Received CSNP complete: 13:06:15.340 LSP Pacing Start: 13:06:15.340 LSP fast flooding: Disabled PME Link Delays and Loss: - GigabitEthernet0/0/0/2 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 3 Last IIH Received: 13:24:55 (4.84 sec ago), 1497 octets Last IIH Sent: 13:24:52 (7.55 sec ago), 1497 octets Sending next P2P IIH in: 1 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.00ae.d751 Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 10/10 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.13.1 Global Prefix: 10.0.13.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 13:06:20.935 Received CSNP complete: 13:06:21.242 LSP Pacing Start: 13:06:21.243 LSP fast flooding: Disabled PME Link Delays and Loss: - GigabitEthernet0/0/0/3 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 2 Last IIH Received: 13:24:53 (6.15 sec ago), 1497 octets Last IIH Sent: 13:24:50 (9.82 sec ago), 1497 octets Sending next P2P IIH in: 126 ms IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.00a1.f106 Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 10/10 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.14.1 Global Prefix: 10.0.14.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 13:06:29.440 Received CSNP complete: 13:06:29.812 LSP Pacing Start: 13:06:29.813 LSP fast flooding: Disabled PME Link Delays and Loss: - GigabitEthernet0/0/0/4 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 2 Last IIH Received: 13:24:57 (2.16 sec ago), 1497 octets Last IIH Sent: 13:24:55 (5.00 sec ago), 1497 octets Sending next P2P IIH in: 3 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.0033.2432 Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 10/10 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.15.1 Global Prefix: 10.0.15.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 13:06:35.277 Received CSNP complete: 13:06:35.666 LSP Pacing Start: 13:06:35.666 LSP fast flooding: Disabled PME Link Delays and Loss: - GigabitEthernet0/0/0/5 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 4 Last IIH Received: 13:24:54 (5.31 sec ago), 1497 octets Last IIH Sent: 13:24:59 (0.64 sec ago), 1497 octets Sending next P2P IIH in: 7 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.00c7.485d Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 10/10 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.16.1 Global Prefix: 10.0.16.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 13:06:42.785 Received CSNP complete: 13:06:43.094 LSP Pacing Start: 13:06:43.094 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R1#show isis neighbors Sun Sep 27 13:25:00.164 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF P1 Gi0/0/0/0 *PtoP* Up 25 L2 Capable P5 Gi0/0/0/4 *PtoP* Up 27 L2 Capable P6 Gi0/0/0/5 *PtoP* Up 24 L2 Capable P4 Gi0/0/0/3 *PtoP* Up 23 L2 Capable P2 Gi0/0/0/1 *PtoP* Up 28 L2 Capable P3 Gi0/0/0/2 *PtoP* Up 24 L2 Capable Total neighbor count: 6 RP/0/RP0/CPU0:R1#show isis topology Sun Sep 27 13:25:00.398 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R1 -- P1 10 P1 Gi0/0/0/0 *PtoP* P2 10 P2 Gi0/0/0/1 *PtoP* P3 10 P3 Gi0/0/0/2 *PtoP* P4 10 P4 Gi0/0/0/3 *PtoP* P5 10 P5 Gi0/0/0/4 *PtoP* P6 10 P6 Gi0/0/0/5 *PtoP* R8 20 P6 Gi0/0/0/5 *PtoP* R8 20 P5 Gi0/0/0/4 *PtoP* R8 20 P4 Gi0/0/0/3 *PtoP* R8 20 P3 Gi0/0/0/2 *PtoP* R8 20 P2 Gi0/0/0/1 *PtoP* R8 20 P1 Gi0/0/0/0 *PtoP* RP/0/RP0/CPU0:R1#show isis database Sun Sep 27 13:25:00.520 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000c 0x6e95 883 /* 0/0/0 P1.00-00 0x00000006 0x385b 910 /1200 0/0/0 P2.00-00 0x00000007 0xb5af 900 /1200 0/0/0 P3.00-00 0x00000007 0x3503 832 /1200 0/0/0 P4.00-00 0x00000006 0xb655 923 /1200 0/0/0 P5.00-00 0x00000007 0x34a9 877 /1200 0/0/0 P6.00-00 0x00000006 0xb5fb 863 /1200 0/0/0 R8.00-00 0x00000007 0x6b6d 888 /1200 0/0/0 Total Level-2 LSP count: 8 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R1#show isis database detail Sun Sep 27 13:25:00.812 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000c 0x6e95 883 /* 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 1.1.1.1 Hostname: R1 Metric: 10 IS-Extended P1.00 Metric: 10 IS-Extended P2.00 Metric: 10 IS-Extended P3.00 Metric: 10 IS-Extended P4.00 Metric: 10 IS-Extended P5.00 Metric: 10 IS-Extended P6.00 Metric: 0 IP-Extended 1.1.1.1/32 Metric: 10 IP-Extended 10.0.11.0/24 Metric: 10 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.13.0/24 Metric: 10 IP-Extended 10.0.14.0/24 Metric: 10 IP-Extended 10.0.15.0/24 Metric: 10 IP-Extended 10.0.16.0/24 P1.00-00 0x00000006 0x385b 910 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: P1 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R8.00 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 10.0.11.0/24 Metric: 10 IP-Extended 10.0.81.0/24 P2.00-00 0x00000007 0xb5af 900 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: P2 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R8.00 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.82.0/24 P3.00-00 0x00000007 0x3503 832 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 4.4.4.4 Hostname: P3 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R8.00 Metric: 0 IP-Extended 4.4.4.4/32 Metric: 10 IP-Extended 10.0.13.0/24 Metric: 10 IP-Extended 10.0.83.0/24 P4.00-00 0x00000006 0xb655 923 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: P4 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R8.00 Metric: 0 IP-Extended 5.5.5.5/32 Metric: 10 IP-Extended 10.0.14.0/24 Metric: 10 IP-Extended 10.0.84.0/24 P5.00-00 0x00000007 0x34a9 876 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 6.6.6.6 Hostname: P5 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R8.00 Metric: 0 IP-Extended 6.6.6.6/32 Metric: 10 IP-Extended 10.0.15.0/24 Metric: 10 IP-Extended 10.0.85.0/24 P6.00-00 0x00000006 0xb5fb 863 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 7.7.7.7 Hostname: P6 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R8.00 Metric: 0 IP-Extended 7.7.7.7/32 Metric: 10 IP-Extended 10.0.16.0/24 Metric: 10 IP-Extended 10.0.86.0/24 R8.00-00 0x00000007 0x6b6d 888 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 8.8.8.8 Hostname: R8 Metric: 10 IS-Extended P1.00 Metric: 10 IS-Extended P2.00 Metric: 10 IS-Extended P3.00 Metric: 10 IS-Extended P4.00 Metric: 10 IS-Extended P5.00 Metric: 10 IS-Extended P6.00 Metric: 0 IP-Extended 8.8.8.8/32 Metric: 10 IP-Extended 10.0.81.0/24 Metric: 10 IP-Extended 10.0.82.0/24 Metric: 10 IP-Extended 10.0.83.0/24 Metric: 10 IP-Extended 10.0.84.0/24 Metric: 10 IP-Extended 10.0.85.0/24 Metric: 10 IP-Extended 10.0.86.0/24 Metric: 0 IP-Extended 192.168.8.1/32 Metric: 0 IP-Extended 192.168.8.2/32 Metric: 0 IP-Extended 192.168.8.3/32 Metric: 0 IP-Extended 192.168.8.4/32 Metric: 0 IP-Extended 192.168.8.5/32 Metric: 0 IP-Extended 192.168.8.6/32 Metric: 0 IP-Extended 192.168.8.7/32 Metric: 0 IP-Extended 192.168.8.8/32 Total Level-2 LSP count: 8 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R1#show isis spf-log Sun Sep 27 13:25:01.107 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 22 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Sep 27 2026 --- 13:05:50.313 FSPF 0 0 2 CONFIG 13:06:00.131 FSPF 0 1 7 R1.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 13:06:02.276 FSPF 0 1 1 R1.00-00 OVLCLR 13:06:03.856 PRC 0 1 1 R1.00-00 PREFIXGOOD 13:06:05.457 PRC 0 1 1 R1.00-00 PREFIXGOOD 13:06:16.391 FSPF 0 2 5 P2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 13:06:18.271 FSPF 0 2 1 P2.00-00 LINKGOOD 13:06:18.762 FSPF 2 2 1 R1.00-00 LINKGOOD 13:06:22.296 FSPF 0 3 6 P3.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:06:24.740 FSPF 2 3 1 R1.00-00 LINKGOOD 13:06:30.800 FSPF 0 4 6 P4.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:06:35.801 FSPF 2 5 1 R1.00-00 LINKGOOD 13:06:40.806 FSPF 3 5 7 P5.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:06:45.810 FSPF 0 6 6 P6.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:06:50.811 FSPF 2 6 1 R1.00-00 LINKGOOD 13:06:55.814 FSPF 4 7 11 R8.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:07:14.509 FSPF 0 8 6 P1.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:07:16.957 FSPF 50 8 2 R1.00-00 LINKGOOD 13:17:39.822 FSPF 0 8 49 R1.00-00 CONFIG DELNODE LSPEXPIRY LINKBAD PREFIXBAD AREAADDR IPADDR 13:17:40.023 FSPF 5 8 49 R1.00-00 CONFIG NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 13:22:39.320 FSPF 0 8 49 R1.00-00 CONFIG DELNODE LSPEXPIRY LINKBAD PREFIXBAD AREAADDR IPADDR 13:22:39.521 FSPF 4 8 49 R1.00-00 CONFIG NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR RP/0/RP0/CPU0:R1#show interface Sun Sep 27 13:25:01.242 UTC Loopback0 is up, line protocol is up Interface state transitions: 1 Hardware is Loopback interface(s) Internet address is 1.1.1.1/32 MTU 1500 bytes, BW 0 Kbit reliability Unknown, txload Unknown, rxload Unknown Encapsulation Loopback, loopback not set, Last link flapped 00:19:02 Last input Unknown, output Unknown Last clearing of "show interface" counters Unknown Input/output data rate is disabled. Null0 is up, line protocol is up Interface state transitions: 1 Hardware is Null interface Internet address is Unknown MTU 1500 bytes, BW 0 Kbit reliability 255/255, txload Unknown, rxload Unknown Encapsulation Null, loopback not set, Last link flapped 00:20:50 Last input never, output never Last clearing of "show interface" counters never 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 0 multicast packets 0 packets output, 0 bytes, 0 total output drops Output 0 broadcast packets, 0 multicast packets MgmtEth0/RP0/CPU0/0 is up, line protocol is up Interface state transitions: 1 Hardware is Management Ethernet, address is 5254.00a3.1eaa (bia 5254.00a3.1eaa) Description: management Internet address is 10.19.2.31/16 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Duplex unknown, 1000Mb/s, unknown, link type is autonegotiation output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters never 5 minute input rate 2000 bits/sec, 3 packets/sec 5 minute output rate 10000 bits/sec, 4 packets/sec 2645 packets input, 267158 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 18 broadcast packets, 25 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 3528 packets output, 1133908 bytes, 0 total output drops Output 1 broadcast packets, 0 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 1 carrier transitions GigabitEthernet0/0/0/0 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.00ed.07e8 (bia 5254.00ed.07e8) Description: to P1 (10.0.11.0/24 p2p) Internet address is 10.0.11.1/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:01, output 00:00:01 Last clearing of "show interface" counters 00:01:31 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 38 packets input, 18300 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 10 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 63 packets output, 21718 bytes, 0 total output drops Output 0 broadcast packets, 11 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/1 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.00bd.d02d (bia 5254.00bd.d02d) Description: to P2 (10.0.12.0/24 p2p) Internet address is 10.0.12.1/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:01, output 00:00:01 Last clearing of "show interface" counters 00:01:31 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 54 packets input, 20140 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 10 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 10 packets output, 15140 bytes, 0 total output drops Output 0 broadcast packets, 10 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/2 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.00ae.d751 (bia 5254.00ae.d751) Description: to P3 (10.0.13.0/24 p2p) Internet address is 10.0.13.1/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:01, output 00:00:01 Last clearing of "show interface" counters 00:01:31 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 76 packets input, 22640 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 10 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 62 packets output, 20204 bytes, 0 total output drops Output 0 broadcast packets, 10 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/3 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.00a1.f106 (bia 5254.00a1.f106) Description: to P4 (10.0.14.0/24 p2p) Internet address is 10.0.14.1/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:01, output 00:00:01 Last clearing of "show interface" counters 00:01:31 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 36 packets input, 18080 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 10 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 63 packets output, 21718 bytes, 0 total output drops Output 0 broadcast packets, 11 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/4 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.0033.2432 (bia 5254.0033.2432) Description: to P5 (10.0.15.0/24 p2p) Internet address is 10.0.15.1/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:01, output 00:00:01 Last clearing of "show interface" counters 00:01:30 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 17 packets input, 15910 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 10 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 36 packets output, 17672 bytes, 0 total output drops Output 0 broadcast packets, 10 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/5 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.00c7.485d (bia 5254.00c7.485d) Description: to P6 (10.0.16.0/24 p2p) Internet address is 10.0.16.1/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:18:58 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:01, output 00:00:01 Last clearing of "show interface" counters 00:01:30 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 39 packets input, 18410 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 10 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 36 packets output, 17672 bytes, 0 total output drops Output 0 broadcast packets, 10 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions RP/0/RP0/CPU0:R1#show running-config router isis Sun Sep 27 13:25:01.666 UTC router isis 1 is-type level-2-only net 49.0001.0010.0100.1001.00 log adjacency changes address-family ipv4 unicast metric-style wide maximum-paths 2 ! interface Loopback0 passive address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/0 point-to-point address-family ipv4 unicast metric 10 ! ! interface GigabitEthernet0/0/0/1 point-to-point address-family ipv4 unicast metric 10 ! ! interface GigabitEthernet0/0/0/2 point-to-point address-family ipv4 unicast metric 10 ! ! interface GigabitEthernet0/0/0/3 point-to-point address-family ipv4 unicast metric 10 ! ! interface GigabitEthernet0/0/0/4 point-to-point address-family ipv4 unicast metric 10 ! ! interface GigabitEthernet0/0/0/5 point-to-point address-family ipv4 unicast metric 10 ! ! !