RP/0/RP0/CPU0:R1#show version Sun Sep 27 18:48:40.376 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 52 minutes XRd Control Plane Container RP/0/RP0/CPU0:R1#show interface description Sun Sep 27 18:48:40.541 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 (10.0.12.0/24 p2p) RP/0/RP0/CPU0:R1#show route Sun Sep 27 18:48:40.811 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 10.0.12.2 to network 0.0.0.0 i*L1 0.0.0.0/0 [115/10] via 10.0.12.2, 00:29:32, GigabitEthernet0/0/0/0 L 1.1.1.1/32 is directly connected, 00:49:53, Loopback0 i L1 2.2.2.2/32 [115/10] via 10.0.12.2, 00:29:32, GigabitEthernet0/0/0/0 i L1 5.5.5.5/32 [115/20] via 10.0.12.2, 00:15:37, GigabitEthernet0/0/0/0 C 10.0.12.0/24 is directly connected, 00:49:49, GigabitEthernet0/0/0/0 L 10.0.12.1/32 is directly connected, 00:49:49, GigabitEthernet0/0/0/0 i L1 10.0.23.0/24 [115/20] via 10.0.12.2, 00:29:32, GigabitEthernet0/0/0/0 i L1 10.0.25.0/24 [115/20] via 10.0.12.2, 00:29:32, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R1#show interface Sun Sep 27 18:48:41.020 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 00:49:53 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 00:51:36 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 5254.005d.bd49 (bia 5254.005d.bd49) Description: management Internet address is 10.19.2.41/16 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 00:49:49 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 1000 bits/sec, 1 packets/sec 5 minute output rate 2000 bits/sec, 2 packets/sec 4374 packets input, 463740 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 17 broadcast packets, 31 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 5720 packets output, 1093569 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 5254.00a8.9a68 (bia 5254.00a8.9a68) Description: to R2 (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 00:49:49 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:02 Last clearing of "show interface" counters 00:01:40 5 minute input rate 1000 bits/sec, 1 packets/sec 5 minute output rate 1000 bits/sec, 1 packets/sec 127 packets input, 30930 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 159 packets output, 31646 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 RP/0/RP0/CPU0:R1#show route summary Sun Sep 27 18:48:41.380 UTC Route Source Routes Backup Deleted Memory(bytes) local 2 0 0 400 connected 1 1 0 400 application fib_mgr 0 0 0 0 isis 1 5 1 0 1200 dagr 0 0 0 0 Total 8 2 0 2000 RP/0/RP0/CPU0:R1#show route static Sun Sep 27 18:48:41.619 UTC % No matching routes found RP/0/RP0/CPU0:R1#show cef Sun Sep 27 18:48:41.764 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 10.0.12.2/32 GigabitEthernet0/0/0/0 0.0.0.0/32 broadcast 1.1.1.1/32 receive Loopback0 2.2.2.2/32 10.0.12.2/32 GigabitEthernet0/0/0/0 5.5.5.5/32 10.0.12.2/32 GigabitEthernet0/0/0/0 10.0.12.0/24 attached GigabitEthernet0/0/0/0 10.0.12.0/32 broadcast GigabitEthernet0/0/0/0 10.0.12.1/32 receive GigabitEthernet0/0/0/0 10.0.12.2/32 10.0.12.2/32 GigabitEthernet0/0/0/0 10.0.12.255/32 broadcast GigabitEthernet0/0/0/0 10.0.23.0/24 10.0.12.2/32 GigabitEthernet0/0/0/0 10.0.25.0/24 10.0.12.2/32 GigabitEthernet0/0/0/0 224.0.0.0/4 0.0.0.0/32 224.0.0.0/24 receive 255.255.255.255/32 broadcast RP/0/RP0/CPU0:R1#show arp Sun Sep 27 18:48:42.056 UTC ------------------------------------------------------------------------------- 0/RP0/CPU0 ------------------------------------------------------------------------------- Address Age Hardware Addr State Type Interface 10.0.12.1 - 5254.00a8.9a68 Interface ARPA GigabitEthernet0/0/0/0 10.0.12.2 00:49:35 5254.007f.3e0d Dynamic ARPA GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R1#show configuration commit list Sun Sep 27 18:48:42.232 UTC The commit database is empty. RP/0/RP0/CPU0:R1#show isis Sun Sep 27 18:48:42.383 UTC IS-IS Router: 1 System Id: 0010.0100.1001 Hostname: R1 IS Levels: level-1 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: 4371 Respawn count: 1 Started: Sun 2026 Sep 27 17:58:36.191 UTC Null0 ready: Sun 2026 Sep 27 17:58:37.769 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1596873/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13805231/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 9/7704 Nets: 7/4432 Paths: 12/1152 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 17:58:38.780 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 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) RP/0/RP0/CPU0:R1#show isis protocol Sun Sep 27 18:48:42.571 UTC IS-IS Router: 1 System Id: 0010.0100.1001 Hostname: R1 IS Levels: level-1 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: 4371 Respawn count: 1 Started: Sun 2026 Sep 27 17:58:36.191 UTC Null0 ready: Sun 2026 Sep 27 17:58:37.769 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1596873/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13805231/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 9/7704 Nets: 7/4432 Paths: 12/1152 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 17:58:38.780 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 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) RP/0/RP0/CPU0:R1#show isis hostname Sun Sep 27 18:48:42.689 UTC IS-IS 1 hostnames Level System ID Dynamic Hostname 1 * 0010.0100.1001 R1 1 0020.0200.2002 R2 1 0050.0500.5005 R5 RP/0/RP0/CPU0:R1#show isis interface Sun Sep 27 18:48:42.916 UTC IS-IS 1 Interfaces Loopback0 Enabled Adjacency Formation: Disabled (Passive in IS-IS cfg) Prefix Advertisement: Enabled Bandwidth: 0 Circuit Type: level-1 (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-1 (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 3 Last IIH Received: 18:48:40 (2.38 sec ago), 1497 octets Last PDU Rejected: 18:19:02 (00:29:40 ago), 1497 octets, P2P IIH, Level or Area Addr mismatch Last IIH Sent: 18:48:34 (8.97 sec ago), 1497 octets Sending next P2P IIH in: 805 ms IPv4 BFD: Disabled IPv6 BFD: Disabled Level-1 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: 5254.00a8.9a68 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: 18:19:06.952 Received CSNP complete: 18:19:07.262 LSP Pacing Start: 18:19:07.263 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R1#show isis interface brief Sun Sep 27 18:48:43.103 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 Up 1497 - - RP/0/RP0/CPU0:R1#show isis neighbors Sun Sep 27 18:48:43.286 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R2 Gi0/0/0/0 *PtoP* Up 27 L1 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R1#show isis neighbors detail Sun Sep 27 18:48:43.432 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R2 Gi0/0/0/0 *PtoP* Up 27 L1 Capable Area Address(es): 49.0001 IPv4 Address(es): 10.0.12.2* Topologies: 'IPv4 Unicast' Uptime: 00:29:36 Total neighbor count: 1 RP/0/RP0/CPU0:R1#show isis adjacency Sun Sep 27 18:48:43.619 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 26 00:29:36 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R1#show isis adjacency detail Sun Sep 27 18:48:43.824 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 26 00:29:36 Yes None None Area Address: 49.0001 Neighbor IPv4 Address: 10.0.12.2* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 1 Total adjacency count: 1 RP/0/RP0/CPU0:R1#show isis adjacency-log Sun Sep 27 18:48:43.974 UTC IS-IS 1 Level 1 Adjacency Log Capacity: 100, Size: 5 When System Interface State Details --- Sun Sep 27 2026 --- 17:59:07.154 R2 Gi0/0/0/0 d -> i 17:59:07.764 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 18:11:20.558 R2 Gi0/0/0/0 u -> d Area addr/level differ IPv4 Unicast Down 18:19:06.345 R2 Gi0/0/0/0 d -> i 18:19:06.952 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up RP/0/RP0/CPU0:R1#show isis database Sun Sep 27 18:48:44.181 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000a 0xd4b9 979 /* 0/0/0 R2.00-00 0x00000006 0x5e30 969 /1200 1/0/0 R5.00-00 0x00000003 0xd407 948 /1200 0/0/0 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R1#show isis database detail Sun Sep 27 18:48:44.338 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000a 0xd4b9 979 /* 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 0x00000006 0x5e30 969 /1200 1/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R1.00 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 R5.00-00 0x00000003 0xd407 948 /1200 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 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R1#show isis database verbose Sun Sep 27 18:48:44.467 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000a 0xd4b9 979 /* 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 0x00000006 0x5e30 969 /1200 1/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R1.00 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 R5.00-00 0x00000003 0xd407 948 /1200 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 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R1#show isis topology Sun Sep 27 18:48:44.614 UTC IS-IS 1 paths to IPv4 Unicast (Level-1) routers System Id Metric Next-Hop Interface SNPA R1 -- R2 10 R2 Gi0/0/0/0 *PtoP* R5 20 R2 Gi0/0/0/0 *PtoP* RP/0/RP0/CPU0:R1#show isis spf-log Sun Sep 27 18:48:44.778 UTC IS-IS 1 Level 1 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 15 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Sep 27 2026 --- 17:58:39.078 FSPF 0 0 2 CONFIG 17:58:49.970 FSPF 0 1 7 R1.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 17:58:52.064 FSPF 0 1 2 R1.00-00 OVLCLR PREFIXGOOD 17:59:09.198 FSPF 0 3 10 R2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 17:59:11.066 FSPF 0 3 1 R2.00-00 LINKGOOD 17:59:17.159 FSPF 2 3 2 R1.00-00 LINKGOOD 17:59:23.547 PRC 1 3 1 R2.00-00 ATTSET 18:11:20.098 FSPF 3 3 7 R2.00-00 DELNODE LSPEXPIRY ATTCLR LINKBAD PREFIXBAD AREAADDR IPADDR 18:11:20.660 FSPF 0 3 1 R1.00-00 LINKBAD 18:19:07.054 FSPF 0 3 1 R1.00-00 LINKGOOD 18:19:08.312 FSPF 3 3 7 R2.00-00 NEWNODE NEWLSP ATTSET LINKGOOD PREFIXGOOD AREAADDR IPADDR 18:24:28.691 FSPF 1 3 6 R5.00-00 DELNODE LSPEXPIRY LINKBAD PREFIXBAD AREAADDR IPADDR 18:24:58.741 FSPF 0 3 1 R2.00-00 LINKBAD 18:33:03.238 FSPF 1 3 7 R5.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 18:48:03.291 FSPF 0 3 1 PERIODIC RP/0/RP0/CPU0:R1#show isis spf-log detail Sun Sep 27 18:48:44.984 UTC IS-IS 1 Level 1 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 15 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Sep 27 2026 --- 17:58:39.078 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 17:58:49.970 FSPF 0 1 7 R1.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR Delay: 10891ms (since first trigger) 10892ms (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: 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 17:58:52.064 FSPF 0 1 2 R1.00-00 OVLCLR PREFIXGOOD Delay: 76ms (since first trigger) 2094ms (since end of last calculation) Trigger Prefix: 10.0.12.0/24 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 17:59:09.198 FSPF 0 3 10 R2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR Delay: 50ms (since first trigger) 17134ms (since end of last calculation) Trigger Prefix: 2.2.2.2/32 Trigger LSPs: 2 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 17:59:11.066 FSPF 0 3 1 R2.00-00 LINKGOOD Delay: 51ms (since first trigger) 1868ms (since end of last calculation) Trigger Link: R1.00 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 17:59:17.159 FSPF 2 3 2 R1.00-00 LINKGOOD Delay: 50ms (since first trigger) 6093ms (since end of last calculation) Trigger Link: R2.00 Trigger LSPs: 2 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 1 ----- ----- Full Calculation: 2 1 17:59:23.547 PRC 1 3 1 R2.00-00 ATTSET Delay: 51ms (since first trigger) 6386ms (since end of last calculation) Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 1600ms RIB Batches: 1 (0 critical, 0 high, 0 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 1 0 ----- ----- Full Calculation: 1 0 18:11:20.098 FSPF 3 3 7 R2.00-00 DELNODE LSPEXPIRY ATTCLR LINKBAD PREFIXBAD AREAADDR IPADDR Delay: 50ms (since first trigger) 716550ms (since end of last calculation) Trigger Link: R1.00 Trigger Prefix: 2.2.2.2/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 3 1 ----- ----- Full Calculation: 3 1 18:11:20.660 FSPF 0 3 1 R1.00-00 LINKBAD Delay: 51ms (since first trigger) 559ms (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 18:19:07.054 FSPF 0 3 1 R1.00-00 LINKGOOD Delay: 51ms (since first trigger) 466394ms (since end of last calculation) Trigger Link: R2.00 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 18:19:08.312 FSPF 3 3 7 R2.00-00 NEWNODE NEWLSP ATTSET LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 50ms (since first trigger) 1258ms (since end of last calculation) Trigger Link: R1.00 Trigger Prefix: 2.2.2.2/32 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: 3 1 ----- ----- Full Calculation: 3 1 18:24:28.691 FSPF 1 3 6 R5.00-00 DELNODE LSPEXPIRY LINKBAD PREFIXBAD AREAADDR IPADDR Delay: 51ms (since first trigger) 320376ms (since end of last calculation) Trigger Link: R2.00 Trigger Prefix: 5.5.5.5/32 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms 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 18:24:58.741 FSPF 0 3 1 R2.00-00 LINKBAD Delay: 50ms (since first trigger) 30049ms (since end of last calculation) Trigger Link: R5.00 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 18:33:03.238 FSPF 1 3 7 R5.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 50ms (since first trigger) 484497ms (since end of last calculation) Trigger Link: R2.00 Trigger Prefix: 5.5.5.5/32 Trigger LSPs: 2 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms 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 18:48:03.291 FSPF 0 3 1 PERIODIC Delay: 50ms (since first trigger) 900052ms (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 RP/0/RP0/CPU0:R1#show isis lsp-log Sun Sep 27 18:48:45.183 UTC IS-IS 1 Level 1 LSP Generation Log Capacity: 50, Size: 6 When Count Interface Triggers --- Sun Sep 27 2026 --- 17:58:39.165 1 CONFIG 17:58:47.931 1 Lo0 IPUP 17:58:51.987 3 Gi0/0/0/0 LSPDBOL IPUP MSD 17:59:17.108 1 Gi0/0/0/0 SABIT 18:11:20.609 2 Gi0/0/0/0 DELADJ BESTADJ 18:19:07.003 1 Gi0/0/0/0 NEWADJ RP/0/RP0/CPU0:R1#show isis statistics Sun Sep 27 18:48:45.480 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 346 345 0 - CSNP: 2 2 - 0 PSNP: 13 6 0 0 LSP: 8 16 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 24 High Water Mark: 2 HWM Set: Sun 2026 Sep 27 17:59:09.147 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 369 High Water Mark: 3 Total Drops: 0 Level-1 LSPs sourced (new/refresh): 9/3 Route Calculations IPv4 Unicast Total: 15 Full SPF Calculations: 14 Periodic: 1 Partial Route Calc: 1 Next Hop Calculations: 0 RP/0/RP0/CPU0:R1#show route isis Sun Sep 27 18:48:45.657 UTC i*L1 0.0.0.0/0 [115/10] via 10.0.12.2, 00:29:37, GigabitEthernet0/0/0/0 i L1 2.2.2.2/32 [115/10] via 10.0.12.2, 00:29:37, GigabitEthernet0/0/0/0 i L1 5.5.5.5/32 [115/20] via 10.0.12.2, 00:15:42, GigabitEthernet0/0/0/0 i L1 10.0.23.0/24 [115/20] via 10.0.12.2, 00:29:37, GigabitEthernet0/0/0/0 i L1 10.0.25.0/24 [115/20] via 10.0.12.2, 00:29:37, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R1#show isis route Sun Sep 27 18:48:45.842 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 df 0.0.0.0/0 [10/115] via 10.0.12.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 1.1.1.1/32 is directly connected, Loopback0 L1 2.2.2.2/32 [10/115] via 10.0.12.2, GigabitEthernet0/0/0/0, R2, Weight: 0 L1 5.5.5.5/32 [20/115] via 10.0.12.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 10.0.12.0/24 is directly connected, GigabitEthernet0/0/0/0 L1 10.0.23.0/24 [20/115] via 10.0.12.2, GigabitEthernet0/0/0/0, R2, Weight: 0 L1 10.0.25.0/24 [20/115] via 10.0.12.2, GigabitEthernet0/0/0/0, R2, Weight: 0 RP/0/RP0/CPU0:R1#show running-config router isis Sun Sep 27 18:48:45.984 UTC router isis 1 is-type level-1 net 49.0001.0010.0100.1001.00 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 ! ! ! RP/0/RP0/CPU0:R1#show route 0.0.0.0/0 Sun Sep 27 18:48:47.007 UTC Routing entry for 0.0.0.0/0 Known via "isis 1", distance 115, metric 10, candidate default path, type level-1 Installed Sep 27 18:19:08.315 for 00:29:38 Routing Descriptor Blocks 10.0.12.2, from 2.2.2.2, via GigabitEthernet0/0/0/0 Route metric is 10 No advertising protos. RP/0/RP0/CPU0:R1#show isis database level 1 Sun Sep 27 18:48:47.177 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000a 0xd4b9 976 /* 0/0/0 R2.00-00 0x00000006 0x5e30 966 /1200 1/0/0 R5.00-00 0x00000003 0xd407 945 /1200 0/0/0 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R1#show running-config router static Sun Sep 27 18:48:47.359 UTC router static vrf Mgmt address-family ipv4 unicast 0.0.0.0/0 10.19.0.1 ! ! !