RP/0/RP0/CPU0:R3#show version Sun Oct 4 06:35:25.304 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 R3 uptime is 22 minutes XRd Control Plane Container RP/0/RP0/CPU0:R3#show interface description Sun Oct 4 06:35:25.502 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 (10.0.23.0/24 p2p) Gi0/0/0/1 up up to R4 (10.0.34.0/24 p2p) Gi0/0/0/2 up up to R6 (10.0.36.0/24 p2p) RP/0/RP0/CPU0:R3#show route Sun Oct 4 06:35:25.794 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 i L1 1.1.1.1/32 [115/20] via 10.0.23.2, 00:02:49, GigabitEthernet0/0/0/0 i L1 2.2.2.2/32 [115/10] via 10.0.23.2, 00:02:49, GigabitEthernet0/0/0/0 L 3.3.3.3/32 is directly connected, 00:20:27, Loopback0 i L1 4.4.4.4/32 [115/10] via 10.0.34.4, 00:20:13, GigabitEthernet0/0/0/1 i L1 5.5.5.5/32 [115/20] via 10.0.23.2, 00:02:49, GigabitEthernet0/0/0/0 i L1 6.6.6.6/32 [115/10] via 10.0.36.6, 00:20:03, GigabitEthernet0/0/0/2 i L1 10.0.12.0/24 [115/20] via 10.0.23.2, 00:02:49, GigabitEthernet0/0/0/0 C 10.0.23.0/24 is directly connected, 00:20:20, GigabitEthernet0/0/0/0 L 10.0.23.3/32 is directly connected, 00:20:20, GigabitEthernet0/0/0/0 i L1 10.0.25.0/24 [115/20] via 10.0.23.2, 00:02:49, GigabitEthernet0/0/0/0 C 10.0.34.0/24 is directly connected, 00:20:20, GigabitEthernet0/0/0/1 L 10.0.34.3/32 is directly connected, 00:20:20, GigabitEthernet0/0/0/1 C 10.0.36.0/24 is directly connected, 00:20:20, GigabitEthernet0/0/0/2 L 10.0.36.3/32 is directly connected, 00:20:20, GigabitEthernet0/0/0/2 RP/0/RP0/CPU0:R3#show interface Sun Oct 4 06:35:26.096 UTC Loopback0 is up, line protocol is up Interface state transitions: 1 Hardware is Loopback interface(s) Internet address is 3.3.3.3/32 MTU 1500 bytes, BW 0 Kbit reliability Unknown, txload Unknown, rxload Unknown Encapsulation Loopback, loopback not set, Last link flapped 00:20:27 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 00:22:07 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 5254.00dc.5fc7 (bia 5254.00dc.5fc7) Description: management Internet address is 10.19.2.53/16 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 00:20:21 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 0 bits/sec, 1 packets/sec 5 minute output rate 2000 bits/sec, 2 packets/sec 919 packets input, 101112 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 29 broadcast packets, 19 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 1236 packets output, 241676 bytes, 0 total output drops Output 2 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 5254.00c4.7d31 (bia 5254.00c4.7d31) Description: to R2 (10.0.23.0/24 p2p) Internet address is 10.0.23.3/24 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 00:20:21 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:07 Last clearing of "show interface" counters 00:01:45 5 minute input rate 1000 bits/sec, 1 packets/sec 5 minute output rate 1000 bits/sec, 1 packets/sec 130 packets input, 30732 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 12 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 128 packets output, 29380 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 5254.00cf.1160 (bia 5254.00cf.1160) Description: to R4 (10.0.34.0/24 p2p) Internet address is 10.0.34.3/24 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 00:20:21 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters 00:01:45 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 80 packets input, 25480 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 12 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 81 packets output, 25726 bytes, 0 total output drops Output 0 broadcast packets, 12 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 5254.002f.4f38 (bia 5254.002f.4f38) Description: to R6 (10.0.36.0/24 p2p) Internet address is 10.0.36.3/24 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 00:20:21 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters 00:01:45 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 59 packets input, 23090 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 12 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 60 packets output, 24876 bytes, 0 total output drops Output 0 broadcast packets, 13 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:R3#show route summary Sun Oct 4 06:35:26.703 UTC Route Source Routes Backup Deleted Memory(bytes) local 4 0 0 800 connected 3 1 0 800 application fib_mgr 0 0 0 0 isis 1 7 4 0 2200 dagr 0 0 0 0 Total 14 5 0 3800 RP/0/RP0/CPU0:R3#show route static Sun Oct 4 06:35:26.992 UTC % No matching routes found RP/0/RP0/CPU0:R3#show cef Sun Oct 4 06:35:27.154 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 drop default handler 0.0.0.0/32 broadcast 1.1.1.1/32 10.0.23.2/32 GigabitEthernet0/0/0/0 2.2.2.2/32 10.0.23.2/32 GigabitEthernet0/0/0/0 3.3.3.3/32 receive Loopback0 4.4.4.4/32 10.0.34.4/32 GigabitEthernet0/0/0/1 5.5.5.5/32 10.0.23.2/32 GigabitEthernet0/0/0/0 6.6.6.6/32 10.0.36.6/32 GigabitEthernet0/0/0/2 10.0.12.0/24 10.0.23.2/32 GigabitEthernet0/0/0/0 10.0.23.0/24 attached GigabitEthernet0/0/0/0 10.0.23.0/32 broadcast GigabitEthernet0/0/0/0 10.0.23.2/32 10.0.23.2/32 GigabitEthernet0/0/0/0 10.0.23.3/32 receive GigabitEthernet0/0/0/0 10.0.23.255/32 broadcast GigabitEthernet0/0/0/0 10.0.25.0/24 10.0.23.2/32 GigabitEthernet0/0/0/0 10.0.34.0/24 attached GigabitEthernet0/0/0/1 10.0.34.0/32 broadcast GigabitEthernet0/0/0/1 10.0.34.3/32 receive GigabitEthernet0/0/0/1 10.0.34.4/32 10.0.34.4/32 GigabitEthernet0/0/0/1 10.0.34.255/32 broadcast GigabitEthernet0/0/0/1 10.0.36.0/24 attached GigabitEthernet0/0/0/2 10.0.36.0/32 broadcast GigabitEthernet0/0/0/2 10.0.36.3/32 receive GigabitEthernet0/0/0/2 10.0.36.6/32 10.0.36.6/32 GigabitEthernet0/0/0/2 10.0.36.255/32 broadcast GigabitEthernet0/0/0/2 224.0.0.0/4 0.0.0.0/32 224.0.0.0/24 receive 255.255.255.255/32 broadcast RP/0/RP0/CPU0:R3#show arp Sun Oct 4 06:35:27.503 UTC ------------------------------------------------------------------------------- 0/RP0/CPU0 ------------------------------------------------------------------------------- Address Age Hardware Addr State Type Interface 10.0.23.2 00:20:22 5254.0004.49d7 Dynamic ARPA GigabitEthernet0/0/0/0 10.0.23.3 - 5254.00c4.7d31 Interface ARPA GigabitEthernet0/0/0/0 10.0.34.3 - 5254.00cf.1160 Interface ARPA GigabitEthernet0/0/0/1 10.0.34.4 00:20:20 5254.00db.853c Dynamic ARPA GigabitEthernet0/0/0/1 10.0.36.3 - 5254.002f.4f38 Interface ARPA GigabitEthernet0/0/0/2 10.0.36.6 00:20:13 5254.00b4.c44a Dynamic ARPA GigabitEthernet0/0/0/2 RP/0/RP0/CPU0:R3#show configuration commit list Sun Oct 4 06:35:27.682 UTC The commit database is empty. RP/0/RP0/CPU0:R3#show isis Sun Oct 4 06:35:27.801 UTC IS-IS Router: 1 System Id: 0030.0300.3003 Hostname: R3 IS Levels: level-1-2 Manual area address(es): 49.0002 Routing for area address(es): 49.0002 49.0001 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4403 Respawn count: 1 Started: Sun 2026 Oct 04 06:14:48.017 UTC Null0 ready: Sun 2026 Oct 04 06:14:49.607 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1594831/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 15475058/2147483648 0% Memory usage specifics (count/bytes): Nodes: 8/3264 LSPs: 8/3357 Links: 12/14688 Prefixes: 38/34960 Nets: 11/7568 Paths: 22/2112 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 Oct 04 06:14:50.709 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-1 Metric style (generate/accept): Wide/Wide Metric: 10 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) RP/0/RP0/CPU0:R3#show isis protocol Sun Oct 4 06:35:27.922 UTC IS-IS Router: 1 System Id: 0030.0300.3003 Hostname: R3 IS Levels: level-1-2 Manual area address(es): 49.0002 Routing for area address(es): 49.0002 49.0001 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4403 Respawn count: 1 Started: Sun 2026 Oct 04 06:14:48.017 UTC Null0 ready: Sun 2026 Oct 04 06:14:49.607 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1594831/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 15475058/2147483648 0% Memory usage specifics (count/bytes): Nodes: 8/3264 LSPs: 8/3357 Links: 12/14688 Prefixes: 38/34960 Nets: 11/7568 Paths: 22/2112 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 Oct 04 06:14:50.709 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-1 Metric style (generate/accept): Wide/Wide Metric: 10 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) RP/0/RP0/CPU0:R3#show isis hostname Sun Oct 4 06:35:28.140 UTC IS-IS 1 hostnames Level System ID Dynamic Hostname 1 0010.0100.1001 R1 1,2 0020.0200.2002 R2 1 0060.0600.6006 R6 1 0050.0500.5005 R5 1,2 * 0030.0300.3003 R3 1 0040.0400.4004 R4 RP/0/RP0/CPU0:R3#show isis interface Sun Oct 4 06:35:28.253 UTC IS-IS 1 Interfaces Loopback0 Enabled Adjacency Formation: Disabled (Passive in IS-IS cfg) Prefix Advertisement: Enabled Bandwidth: 0 Circuit Type: 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: 3.3.3.3/32 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-1-2 Media Type: P2P Circuit Number: 0 Extended Circuit Number: 3 Last IIH Received: 06:35:24 (4.24 sec ago), 1497 octets Last PDU Rejected: 06:32:33 (00:02:55 ago), 1497 octets, P2P IIH, Nbr's Area Addresses changed Last IIH Sent: 06:35:27 (0.74 sec ago), 1497 octets Sending next P2P IIH in: 7 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-1 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 Level-2 Adjacency Count: 1 Adjacency Flaps: 1 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: 5254.00c4.7d31 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: 10.0.23.3 Global Prefix: 10.0.23.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 8 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 06:32:35.173 Received CSNP complete: 06:32:35.481 LSP Pacing Start: 06:32:35.486 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-1-2 Media Type: P2P Circuit Number: 0 Extended Circuit Number: 4 Last IIH Received: 06:35:23 (4.40 sec ago), 1497 octets Last IIH Sent: 06:35:21 (6.64 sec ago), 1497 octets Sending next P2P IIH in: 2 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-1 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 Level-2 Adjacency Count: 0 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: 5254.00cf.1160 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: 10.0.34.3 Global Prefix: 10.0.34.0/24 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: 06:15:07.796 Received CSNP complete: 06:15:08.104 LSP Pacing Start: 06:15:08.104 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-1-2 Media Type: P2P Circuit Number: 0 Extended Circuit Number: 4 Last IIH Received: 06:35:23 (4.45 sec ago), 1497 octets Last IIH Sent: 06:35:25 (2.59 sec ago), 1497 octets Sending next P2P IIH in: 5 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-1 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 Level-2 Adjacency Count: 0 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: 5254.002f.4f38 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: 10.0.36.3 Global Prefix: 10.0.36.0/24 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: 06:15:14.779 Received CSNP complete: 06:15:15.955 LSP Pacing Start: 06:15:15.779 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R3#show isis interface brief Sun Oct 4 06:35:28.470 UTC IS-IS 1 Interfaces Interface All Adjs Adj Topos Adv Topos CLNS MTU Prio OK L1 L2 Run/Cfg Run/Cfg L1 L2 ----------------- --- --------- --------- --------- ---- ---- -------- Lo0 Yes - - 0/0 1/1 No - - - Gi0/0/0/0 Yes 1 1 1/1 1/1 Up 1497 - - Gi0/0/0/1 Yes 1 0 1/1 1/1 Up 1497 - - Gi0/0/0/2 Yes 1 0 1/1 1/1 Up 1497 - - RP/0/RP0/CPU0:R3#show isis neighbors Sun Oct 4 06:35:28.609 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R2 Gi0/0/0/0 *PtoP* Up 25 L1L2 Capable R6 Gi0/0/0/2 *PtoP* Up 25 L1 Capable R4 Gi0/0/0/1 *PtoP* Up 25 L1 Capable Total neighbor count: 3 RP/0/RP0/CPU0:R3#show isis neighbors detail Sun Oct 4 06:35:28.804 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R2 Gi0/0/0/0 *PtoP* Up 25 L1L2 Capable Area Address(es): 49.0001 49.0002 IPv4 Address(es): 10.0.23.2* Topologies: 'IPv4 Unicast' Uptime: 00:02:53 R6 Gi0/0/0/2 *PtoP* Up 25 L1 Capable Area Address(es): 49.0002 IPv4 Address(es): 10.0.36.6* Topologies: 'IPv4 Unicast' Uptime: 00:20:14 R4 Gi0/0/0/1 *PtoP* Up 25 L1 Capable Area Address(es): 49.0002 IPv4 Address(es): 10.0.34.4* Topologies: 'IPv4 Unicast' Uptime: 00:20:21 Total neighbor count: 3 RP/0/RP0/CPU0:R3#show isis adjacency Sun Oct 4 06:35:29.132 UTC IS-IS 1 Level-1 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R2 Gi0/0/0/0 *PtoP* Up 24 00:02:54 Yes None None R6 Gi0/0/0/2 *PtoP* Up 24 00:20:14 Yes None None R4 Gi0/0/0/1 *PtoP* Up 24 00:20:21 Yes None None Total adjacency count: 3 IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R2 Gi0/0/0/0 *PtoP* Up 24 00:02:54 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R3#show isis adjacency detail Sun Oct 4 06:35:29.347 UTC IS-IS 1 Level-1 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R2 Gi0/0/0/0 *PtoP* Up 24 00:02:54 Yes None None Area Address: 49.0001 Area Address: 49.0002 Neighbor IPv4 Address: 10.0.23.2* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 R6 Gi0/0/0/2 *PtoP* Up 24 00:20:14 Yes None None Area Address: 49.0002 Neighbor IPv4 Address: 10.0.36.6* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 R4 Gi0/0/0/1 *PtoP* Up 24 00:20:21 Yes None None Area Address: 49.0002 Neighbor IPv4 Address: 10.0.34.4* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 Total adjacency count: 3 IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R2 Gi0/0/0/0 *PtoP* Up 24 00:02:54 Yes None None Area Address: 49.0001 Area Address: 49.0002 Neighbor IPv4 Address: 10.0.23.2* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 1 Total adjacency count: 1 RP/0/RP0/CPU0:R3#show isis adjacency-log Sun Oct 4 06:35:29.621 UTC IS-IS 1 Level 1 Adjacency Log Capacity: 100, Size: 6 When System Interface State Details --- Sun Oct 4 2026 --- 06:15:07.188 R4 Gi0/0/0/1 d -> i 06:15:07.796 R4 Gi0/0/0/1 i -> u New adjacency IPv4 Unicast Up 06:15:14.170 R6 Gi0/0/0/2 d -> i 06:15:14.779 R6 Gi0/0/0/2 i -> u New adjacency IPv4 Unicast Up 06:32:33.794 R2 Gi0/0/0/0 d -> i 06:32:35.177 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up IS-IS 1 Level 2 Adjacency Log Capacity: 100, Size: 5 When System Interface State Details --- Sun Oct 4 2026 --- 06:15:05.605 R2 Gi0/0/0/0 d -> i 06:15:06.214 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 06:32:33.174 R2 Gi0/0/0/0 u -> d Area addr/level differ IPv4 Unicast Down 06:32:33.794 R2 Gi0/0/0/0 d -> i 06:32:35.178 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up RP/0/RP0/CPU0:R3#show isis database Sun Oct 4 06:35:29.758 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 0x00000006 0xdcb5 1025 /988 0/0/0 R2.00-00 0x0000000b 0xe2e0 1025 /1199 0/0/0 R3.00-00 * 0x0000000c 0x79e7 1026 /* 0/0/0 R4.00-00 0x00000006 0x2cab 662 /1200 0/0/0 R5.00-00 0x00000006 0xce0a 1025 /986 0/0/0 R6.00-00 0x00000005 0x1868 827 /1200 0/0/0 Total Level-1 LSP count: 6 Local Level-1 LSP count: 1 IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x0000000c 0xd845 1026 /1200 0/0/0 R3.00-00 * 0x0000000c 0x34e4 1026 /* 0/0/0 Total Level-2 LSP count: 2 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis database detail Sun Oct 4 06:35:29.932 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 0x00000006 0xdcb5 1025 /988 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 1.1.1.1 Hostname: R1 Metric: 10 IS-Extended R2.00 Metric: 0 IP-Extended 1.1.1.1/32 Metric: 10 IP-Extended 10.0.12.0/24 R2.00-00 0x0000000b 0xe2e0 1025 /1199 0/0/0 Area Address: 49.0001 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R3.00 Metric: 10 IS-Extended R5.00 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.23.0/24 Metric: 10 IP-Extended 10.0.25.0/24 R3.00-00 * 0x0000000c 0x79e7 1026 /* 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 10 IS-Extended R4.00 Metric: 10 IS-Extended R6.00 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 10.0.23.0/24 Metric: 10 IP-Extended 10.0.34.0/24 Metric: 10 IP-Extended 10.0.36.0/24 R4.00-00 0x00000006 0x2cab 662 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 4.4.4.4 Hostname: R4 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 4.4.4.4/32 Metric: 10 IP-Extended 10.0.34.0/24 R5.00-00 0x00000006 0xce0a 1025 /986 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: R5 Metric: 10 IS-Extended R2.00 Metric: 0 IP-Extended 5.5.5.5/32 Metric: 10 IP-Extended 10.0.25.0/24 R6.00-00 0x00000005 0x1868 827 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 6.6.6.6 Hostname: R6 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 6.6.6.6/32 Metric: 10 IP-Extended 10.0.36.0/24 Total Level-1 LSP count: 6 Local Level-1 LSP count: 1 IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x0000000c 0xd845 1026 /1200 0/0/0 Area Address: 49.0001 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R3.00 Metric: 10 IP-Extended 1.1.1.1/32 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 3.3.3.3/32 Metric: 20 IP-Extended 4.4.4.4/32 Metric: 10 IP-Extended 5.5.5.5/32 Metric: 20 IP-Extended 6.6.6.6/32 Metric: 10 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.23.0/24 Metric: 10 IP-Extended 10.0.25.0/24 Metric: 20 IP-Extended 10.0.34.0/24 Metric: 20 IP-Extended 10.0.36.0/24 R3.00-00 * 0x0000000c 0x34e4 1026 /* 0/0/0 Area Address: 49.0002 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 20 IP-Extended 1.1.1.1/32 Metric: 10 IP-Extended 2.2.2.2/32 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 4.4.4.4/32 Metric: 20 IP-Extended 5.5.5.5/32 Metric: 10 IP-Extended 6.6.6.6/32 Metric: 20 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.23.0/24 Metric: 20 IP-Extended 10.0.25.0/24 Metric: 10 IP-Extended 10.0.34.0/24 Metric: 10 IP-Extended 10.0.36.0/24 Total Level-2 LSP count: 2 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis database verbose Sun Oct 4 06:35:30.136 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 0x00000006 0xdcb5 1025 /988 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 1.1.1.1 Hostname: R1 Metric: 10 IS-Extended R2.00 Metric: 0 IP-Extended 1.1.1.1/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.12.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R2.00-00 0x0000000b 0xe2e0 1025 /1199 0/0/0 Area Address: 49.0001 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R1.00 Metric: 10 IS-Extended R3.00 Metric: 10 IS-Extended R5.00 Metric: 0 IP-Extended 2.2.2.2/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.12.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.23.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.25.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R3.00-00 * 0x0000000c 0x79e7 1026 /* 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 10 IS-Extended R4.00 Metric: 10 IS-Extended R6.00 Metric: 0 IP-Extended 3.3.3.3/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.23.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.34.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.36.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R4.00-00 0x00000006 0x2cab 661 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 4.4.4.4 Hostname: R4 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 4.4.4.4/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.34.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R5.00-00 0x00000006 0xce0a 1025 /986 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: R5 Metric: 10 IS-Extended R2.00 Metric: 0 IP-Extended 5.5.5.5/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.25.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R6.00-00 0x00000005 0x1868 827 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 6.6.6.6 Hostname: R6 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 6.6.6.6/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.36.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Total Level-1 LSP count: 6 Local Level-1 LSP count: 1 IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x0000000c 0xd845 1026 /1200 0/0/0 Area Address: 49.0001 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R3.00 Metric: 10 IP-Extended 1.1.1.1/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 0 IP-Extended 2.2.2.2/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 3.3.3.3/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 20 IP-Extended 4.4.4.4/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 5.5.5.5/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 20 IP-Extended 6.6.6.6/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.12.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.23.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.25.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 20 IP-Extended 10.0.34.0/24 Prefix Attribute Flags: X:0 R:1 N:0 E:0 A:0 Metric: 20 IP-Extended 10.0.36.0/24 Prefix Attribute Flags: X:0 R:1 N:0 E:0 A:0 R3.00-00 * 0x0000000c 0x34e4 1026 /* 0/0/0 Area Address: 49.0002 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 20 IP-Extended 1.1.1.1/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 2.2.2.2/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 0 IP-Extended 3.3.3.3/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 4.4.4.4/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 20 IP-Extended 5.5.5.5/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 6.6.6.6/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 20 IP-Extended 10.0.12.0/24 Prefix Attribute Flags: X:0 R:1 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.23.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 20 IP-Extended 10.0.25.0/24 Prefix Attribute Flags: X:0 R:1 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.34.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.36.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Total Level-2 LSP count: 2 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis topology Sun Oct 4 06:35:30.389 UTC IS-IS 1 paths to IPv4 Unicast (Level-1) routers System Id Metric Next-Hop Interface SNPA R1 20 R2 Gi0/0/0/0 *PtoP* R2 10 R2 Gi0/0/0/0 *PtoP* R3 -- R4 10 R4 Gi0/0/0/1 *PtoP* R5 20 R2 Gi0/0/0/0 *PtoP* R6 10 R6 Gi0/0/0/2 *PtoP* IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R2 10 R2 Gi0/0/0/0 *PtoP* R3 -- RP/0/RP0/CPU0:R3#show isis spf-log Sun Oct 4 06:35:30.637 UTC IS-IS 1 Level 1 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 14 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 06:14:51.006 FSPF 0 0 2 CONFIG 06:15:00.891 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 06:15:03.086 FSPF 0 1 1 R3.00-00 OVLCLR 06:15:05.238 PRC 0 1 1 R3.00-00 PREFIXGOOD 06:15:09.143 FSPF 0 2 5 R4.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 06:15:12.344 FSPF 2 2 2 R4.00-00 LINKGOOD 06:15:17.348 FSPF 0 3 7 R6.00-00 NEWNODE NEWLSP ATTSET LINKGOOD PREFIXGOOD AREAADDR IPADDR 06:15:22.350 FSPF 2 3 1 R3.00-00 LINKGOOD 06:30:22.403 FSPF 0 3 1 PERIODIC 06:32:33.439 PRC 0 3 1 R3.00-00 ATTCLR 06:32:35.278 FSPF 0 4 1 R3.00-00 LINKGOOD 06:32:35.679 PRC 0 6 1 R3.00-00 ATTSET 06:32:36.479 FSPF 2 6 18 R1.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 06:32:38.084 PRC 0 6 1 R3.00-00 ATTCLR IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 14 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 06:14:51.006 FSPF 0 0 2 CONFIG 06:15:00.893 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 06:15:03.049 FSPF 0 1 1 R3.00-00 OVLCLR 06:15:05.238 PRC 0 1 1 R3.00-00 PREFIXGOOD 06:15:06.839 FSPF 0 2 5 R2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 06:15:10.040 FSPF 0 2 1 R3.00-00 LINKGOOD 06:15:15.041 FSPF 2 2 3 R2.00-00 LINKGOOD PREFIXGOOD 06:15:22.454 PRC 0 2 1 R3.00-00 PREFIXGOOD 06:30:15.094 FSPF 0 2 1 PERIODIC 06:32:29.315 NHC 0 2 1 R2.00-00 AREAADDR 06:32:33.275 FSPF 13 2 2 R3.00-00 DELADJ LINKBAD 06:32:35.281 FSPF 2 2 1 R3.00-00 LINKGOOD 06:32:36.384 PRC 1 2 1 R2.00-00 PREFIXGOOD 06:32:37.986 NHC 0 2 2 R3.00-00 PREFIXGOOD AREAADDR RP/0/RP0/CPU0:R3#show isis spf-log detail Sun Oct 4 06:35:30.804 UTC IS-IS 1 Level 1 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 14 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 06:14:51.006 FSPF 0 0 2 CONFIG Delay: 0ms (since first trigger) Trigger LSPs: 0 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:00.891 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR Delay: 9885ms (since first trigger) 9885ms (since end of last calculation) Trigger Prefix: 3.3.3.3/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 400ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:03.086 FSPF 0 1 1 R3.00-00 OVLCLR Delay: 87ms (since first trigger) 2195ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 800ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:05.238 PRC 0 1 1 R3.00-00 PREFIXGOOD Delay: 50ms (since first trigger) 2152ms (since end of last calculation) Trigger Prefix: 10.0.23.0/24 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 1600ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:09.143 FSPF 0 2 5 R4.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR Delay: 51ms (since first trigger) 3905ms (since end of last calculation) Trigger Prefix: 4.4.4.4/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 3200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:12.344 FSPF 2 2 2 R4.00-00 LINKGOOD Delay: 1363ms (since first trigger) 3201ms (since end of last calculation) Trigger Link: R3.00 Trigger LSPs: 2 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 2 1 ----- ----- Full Calculation: 2 1 06:15:17.348 FSPF 0 3 7 R6.00-00 NEWNODE NEWLSP ATTSET LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 2561ms (since first trigger) 5002ms (since end of last calculation) Trigger Link: R3.00 Trigger Prefix: 6.6.6.6/32 Trigger LSPs: 2 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:22.350 FSPF 2 3 1 R3.00-00 LINKGOOD Delay: 2254ms (since first trigger) 5002ms (since end of last calculation) Trigger Link: R6.00 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 2 0 ----- ----- Full Calculation: 2 0 06:30:22.403 FSPF 0 3 1 PERIODIC Delay: 51ms (since first trigger) 900051ms (since end of last calculation) Trigger LSPs: 0 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:32:33.439 PRC 0 3 1 R3.00-00 ATTCLR Delay: 51ms (since first trigger) 131036ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:32:35.278 FSPF 0 4 1 R3.00-00 LINKGOOD Delay: 50ms (since first trigger) 1839ms (since end of last calculation) Trigger Link: R2.00 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 400ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:32:35.679 PRC 0 6 1 R3.00-00 ATTSET Delay: 50ms (since first trigger) 401ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 800ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:32:36.479 FSPF 2 6 18 R1.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 689ms (since first trigger) 800ms (since end of last calculation) Trigger Link: R2.00 Trigger Prefix: 1.1.1.1/32 Trigger LSPs: 3 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 1600ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 2 1 ----- ----- Full Calculation: 2 1 06:32:38.084 PRC 0 6 1 R3.00-00 ATTCLR Delay: 1550ms (since first trigger) 1603ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 3200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 14 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 06:14:51.006 FSPF 0 0 2 CONFIG Delay: 1ms (since first trigger) Trigger LSPs: 0 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:00.893 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR Delay: 9887ms (since first trigger) 9887ms (since end of last calculation) Trigger Prefix: 3.3.3.3/32 Trigger LSPs: 2 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 400ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:03.049 FSPF 0 1 1 R3.00-00 OVLCLR Delay: 50ms (since first trigger) 2156ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 800ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:05.238 PRC 0 1 1 R3.00-00 PREFIXGOOD Delay: 51ms (since first trigger) 2189ms (since end of last calculation) Trigger Prefix: 10.0.23.0/24 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 1600ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:06.839 FSPF 0 2 5 R2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR Delay: 618ms (since first trigger) 1601ms (since end of last calculation) Trigger Prefix: 2.2.2.2/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 3200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:10.040 FSPF 0 2 1 R3.00-00 LINKGOOD Delay: 948ms (since first trigger) 3201ms (since end of last calculation) Trigger Link: R2.00 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:15:15.041 FSPF 2 2 3 R2.00-00 LINKGOOD PREFIXGOOD Delay: 4060ms (since first trigger) 5001ms (since end of last calculation) Trigger Link: R3.00 Trigger LSPs: 3 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 2 1 ----- ----- Full Calculation: 2 1 06:15:22.454 PRC 0 2 1 R3.00-00 PREFIXGOOD Delay: 51ms (since first trigger) 7411ms (since end of last calculation) Trigger Prefix: 6.6.6.6/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:30:15.094 FSPF 0 2 1 PERIODIC Delay: 50ms (since first trigger) 892640ms (since end of last calculation) Trigger LSPs: 0 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:32:29.315 NHC 0 2 1 R2.00-00 AREAADDR Delay: 51ms (since first trigger) 134221ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 06:32:33.275 FSPF 13 2 2 R3.00-00 DELADJ LINKBAD Delay: 50ms (since first trigger) 3960ms (since end of last calculation) Trigger Link: R2.00 Trigger Next Hop: R2 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 400ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 13 1 ----- ----- Full Calculation: 13 1 06:32:35.281 FSPF 2 2 1 R3.00-00 LINKGOOD Delay: 51ms (since first trigger) 1993ms (since end of last calculation) Trigger Link: R2.00 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 800ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 2 0 ----- ----- Full Calculation: 2 0 06:32:36.384 PRC 1 2 1 R2.00-00 PREFIXGOOD Delay: 51ms (since first trigger) 1101ms (since end of last calculation) Trigger Prefix: 3.3.3.3/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 1600ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 1 0 ----- ----- Full Calculation: 1 0 06:32:37.986 NHC 0 2 2 R3.00-00 PREFIXGOOD AREAADDR Delay: 1452ms (since first trigger) 1601ms (since end of last calculation) Trigger Prefix: 1.1.1.1/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 3200ms RIB Batches: 0 (0 critical, 0 high, 0 medium, 0 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 0 0 ----- ----- Full Calculation: 0 0 RP/0/RP0/CPU0:R3#show isis lsp-log Sun Oct 4 06:35:30.957 UTC IS-IS 1 Level 1 LSP Generation Log Capacity: 50, Size: 11 When Count Interface Triggers --- Sun Oct 4 2026 --- 06:14:51.058 1 CONFIG 06:14:58.852 1 Lo0 IPUP 06:15:02.998 1 LSPDBOL 06:15:05.187 2 Gi0/0/0/2 IPUP MSD 06:15:11.474 1 Gi0/0/0/1 SABIT 06:15:15.094 1 ATTACHFLAG 06:15:20.095 1 Gi0/0/0/2 SABIT 06:32:33.339 1 ATTACHFLAG 06:32:35.227 1 Gi0/0/0/0 NEWADJ 06:32:35.628 1 ATTACHFLAG 06:32:36.533 1 ATTACHFLAG IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 10 When Count Interface Triggers --- Sun Oct 4 2026 --- 06:14:51.058 1 CONFIG 06:14:58.851 1 Lo0 IPUP 06:15:02.998 1 LSPDBOL 06:15:05.186 2 Gi0/0/0/2 IPUP MSD 06:15:09.091 1 Gi0/0/0/0 SABIT 06:15:12.397 1 IPIA 06:15:22.402 1 IPIA 06:32:33.224 2 Gi0/0/0/0 DELADJ BESTADJ 06:32:35.230 1 Gi0/0/0/0 NEWADJ 06:32:36.533 2 AREASET IPIA RP/0/RP0/CPU0:R3#show isis statistics Sun Oct 4 06:35:31.200 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 430 427 0 - CSNP: 5 5 - 0 PSNP: 12 28 0 0 LSP: 38 15 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 48 High Water Mark: 4 HWM Set: Sun 2026 Oct 04 06:32:35.789 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 475 High Water Mark: 4 Total Drops: 0 Level-1 LSPs sourced (new/refresh): 13/1 Route Calculations IPv4 Unicast Total: 14 Full SPF Calculations: 10 Periodic: 1 Partial Route Calc: 4 Next Hop Calculations: 0 Level-2 LSPs sourced (new/refresh): 12/1 Route Calculations IPv4 Unicast Total: 14 Full SPF Calculations: 9 Periodic: 1 Partial Route Calc: 3 Next Hop Calculations: 2 RP/0/RP0/CPU0:R3#show route isis Sun Oct 4 06:35:31.501 UTC i L1 1.1.1.1/32 [115/20] via 10.0.23.2, 00:02:55, GigabitEthernet0/0/0/0 i L1 2.2.2.2/32 [115/10] via 10.0.23.2, 00:02:55, GigabitEthernet0/0/0/0 i L1 4.4.4.4/32 [115/10] via 10.0.34.4, 00:20:19, GigabitEthernet0/0/0/1 i L1 5.5.5.5/32 [115/20] via 10.0.23.2, 00:02:55, GigabitEthernet0/0/0/0 i L1 6.6.6.6/32 [115/10] via 10.0.36.6, 00:20:09, GigabitEthernet0/0/0/2 i L1 10.0.12.0/24 [115/20] via 10.0.23.2, 00:02:55, GigabitEthernet0/0/0/0 i L1 10.0.25.0/24 [115/20] via 10.0.23.2, 00:02:55, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R3#show isis route Sun Oct 4 06:35:32.288 UTC IS-IS 1 IPv4 Unicast routes Codes: L1 - level 1, L2 - level 2, ia - interarea (leaked into level 1) df - level 1 default (closest attached router), su - summary null C - connected, S - static, R - RIP, B - BGP, O - OSPF E - EIGRP, A - access/subscriber, M - mobile, a - application i - IS-IS (redistributed from another instance) Maximum parallel path count: 8 L1 1.1.1.1/32 [20/115] via 10.0.23.2, GigabitEthernet0/0/0/0, R2, Weight: 0 L1 2.2.2.2/32 [10/115] via 10.0.23.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 3.3.3.3/32 is directly connected, Loopback0 L1 4.4.4.4/32 [10/115] via 10.0.34.4, GigabitEthernet0/0/0/1, R4, Weight: 0 L1 5.5.5.5/32 [20/115] via 10.0.23.2, GigabitEthernet0/0/0/0, R2, Weight: 0 L1 6.6.6.6/32 [10/115] via 10.0.36.6, GigabitEthernet0/0/0/2, R6, Weight: 0 L1 10.0.12.0/24 [20/115] via 10.0.23.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 10.0.23.0/24 is directly connected, GigabitEthernet0/0/0/0 L1 10.0.25.0/24 [20/115] via 10.0.23.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 10.0.34.0/24 is directly connected, GigabitEthernet0/0/0/1 C 10.0.36.0/24 is directly connected, GigabitEthernet0/0/0/2 RP/0/RP0/CPU0:R3#show running-config router isis Sun Oct 4 06:35:32.464 UTC router isis 1 net 49.0002.0030.0300.3003.00 log adjacency changes address-family ipv4 unicast metric-style wide ! interface Loopback0 passive address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/0 point-to-point address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/1 point-to-point address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/2 point-to-point address-family ipv4 unicast ! ! ! RP/0/RP0/CPU0:R3#show isis database level 1 Sun Oct 4 06:35:33.393 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 0x00000006 0xdcb5 1022 /988 0/0/0 R2.00-00 0x0000000b 0xe2e0 1022 /1199 0/0/0 R3.00-00 * 0x0000000c 0x79e7 1023 /* 0/0/0 R4.00-00 0x00000006 0x2cab 658 /1200 0/0/0 R5.00-00 0x00000006 0xce0a 1022 /986 0/0/0 R6.00-00 0x00000005 0x1868 823 /1200 0/0/0 Total Level-1 LSP count: 6 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R3#show isis database level 2 Sun Oct 4 06:35:33.639 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x0000000c 0xd845 1022 /1200 0/0/0 R3.00-00 * 0x0000000c 0x34e4 1022 /* 0/0/0 Total Level-2 LSP count: 2 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis topology level 1 Sun Oct 4 06:35:33.810 UTC IS-IS 1 paths to IPv4 Unicast (Level-1) routers System Id Metric Next-Hop Interface SNPA R1 20 R2 Gi0/0/0/0 *PtoP* R2 10 R2 Gi0/0/0/0 *PtoP* R3 -- R4 10 R4 Gi0/0/0/1 *PtoP* R5 20 R2 Gi0/0/0/0 *PtoP* R6 10 R6 Gi0/0/0/2 *PtoP* RP/0/RP0/CPU0:R3#show isis topology level 2 Sun Oct 4 06:35:34.106 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R2 10 R2 Gi0/0/0/0 *PtoP* R3 -- RP/0/RP0/CPU0:R3#show running-config router static Sun Oct 4 06:35:34.353 UTC router static vrf Mgmt address-family ipv4 unicast 0.0.0.0/0 10.19.0.1 ! ! !