RP/0/RP0/CPU0:R4#show version Sun Oct 4 15:54:44.307 UTC Cisco IOS XR Software, Version 26.1.1 LNT Copyright (c) 2013-2026 by Cisco Systems, Inc. Build Information: Built By : cisco Built On : Thu Feb 26 03:41:18 UTC 2026 Build Host : iox-lnx-054 Workspace : /auto/srcarchive12/prod/26.1.1/xrd-control-plane/ws/ Version : 26.1.1 Label : 26.1.1 cisco XRd Control Plane cisco XRd-CP-C-01 processor with 248GB of memory R4 uptime is 1 hour, 4 minutes XRd Control Plane Container RP/0/RP0/CPU0:R4#show interface description Sun Oct 4 15:54:44.418 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 R3 (10.0.34.0/24 p2p) RP/0/RP0/CPU0:R4#show route Sun Oct 4 15:54:44.620 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 10.0.34.3 to network 0.0.0.0 i*L1 0.0.0.0/0 [115/10] via 10.0.34.3, 01:01:04, GigabitEthernet0/0/0/0 i L1 3.3.3.3/32 [115/10] via 10.0.34.3, 01:01:04, GigabitEthernet0/0/0/0 L 4.4.4.4/32 is directly connected, 01:01:20, Loopback0 i L1 7.7.7.7/32 [115/20] via 10.0.34.3, 01:01:04, GigabitEthernet0/0/0/0 C 10.0.34.0/24 is directly connected, 01:01:15, GigabitEthernet0/0/0/0 L 10.0.34.4/32 is directly connected, 01:01:15, GigabitEthernet0/0/0/0 i L1 10.0.35.0/24 [115/20] via 10.0.34.3, 01:01:04, GigabitEthernet0/0/0/0 i L1 10.0.37.0/24 [115/20] via 10.0.34.3, 01:01:04, GigabitEthernet0/0/0/0 i L1 172.16.0.100/32 [115/20] via 10.0.34.3, 00:47:27, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R4#show interface Sun Oct 4 15:54:44.905 UTC Loopback0 is up, line protocol is up Interface state transitions: 1 Hardware is Loopback interface(s) Internet address is 4.4.4.4/32 MTU 1500 bytes, BW 0 Kbit reliability Unknown, txload Unknown, rxload Unknown Encapsulation Loopback, loopback not set, Last link flapped 01:01:21 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 01:03:05 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 5254.00e5.671b (bia 5254.00e5.671b) Description: management Internet address is 10.19.2.64/16 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 01:01:15 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 4690 packets input, 526354 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 5 broadcast packets, 32 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 6373 packets output, 1197830 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 5254.0032.5f43 (bia 5254.0032.5f43) Description: to R3 (10.0.34.0/24 p2p) Internet address is 10.0.34.4/24 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 01:01:15 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:05, output 00:00:05 Last clearing of "show interface" counters 00:02:28 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 130 packets input, 36716 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 17 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, 37804 bytes, 0 total output drops Output 0 broadcast packets, 17 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:R4#show route summary Sun Oct 4 15:54:45.254 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 6 1 0 1400 dagr 0 0 0 0 Total 9 2 0 2200 RP/0/RP0/CPU0:R4#show route static Sun Oct 4 15:54:45.405 UTC % No matching routes found RP/0/RP0/CPU0:R4#show cef Sun Oct 4 15:54:45.549 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 10.0.34.3/32 GigabitEthernet0/0/0/0 0.0.0.0/32 broadcast 3.3.3.3/32 10.0.34.3/32 GigabitEthernet0/0/0/0 4.4.4.4/32 receive Loopback0 7.7.7.7/32 10.0.34.3/32 GigabitEthernet0/0/0/0 10.0.34.0/24 attached GigabitEthernet0/0/0/0 10.0.34.0/32 broadcast GigabitEthernet0/0/0/0 10.0.34.3/32 10.0.34.3/32 GigabitEthernet0/0/0/0 10.0.34.4/32 receive GigabitEthernet0/0/0/0 10.0.34.255/32 broadcast GigabitEthernet0/0/0/0 10.0.35.0/24 10.0.34.3/32 GigabitEthernet0/0/0/0 10.0.37.0/24 10.0.34.3/32 GigabitEthernet0/0/0/0 172.16.0.100/32 10.0.34.3/32 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:R4#show arp Sun Oct 4 15:54:45.717 UTC ------------------------------------------------------------------------------- 0/RP0/CPU0 ------------------------------------------------------------------------------- Address Age Hardware Addr State Type Interface 10.0.34.3 01:01:16 5254.005c.8f9c Dynamic ARPA GigabitEthernet0/0/0/0 10.0.34.4 - 5254.0032.5f43 Interface ARPA GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R4#show configuration commit list Sun Oct 4 15:54:45.917 UTC The commit database is empty. RP/0/RP0/CPU0:R4#show isis Sun Oct 4 15:54:46.048 UTC IS-IS Router: 1 System Id: 0040.0400.4004 Hostname: R4 IS Levels: level-1 Manual area address(es): 49.0002 Routing for area address(es): 49.0002 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4400 Respawn count: 1 Started: Sun 2026 Oct 04 14:53:13.818 UTC Null0 ready: Sun 2026 Oct 04 14:53:15.320 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1596892/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13803412/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 10/8624 Nets: 8/5120 Paths: 14/1344 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 14:53:16.211 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:R4#show isis protocol Sun Oct 4 15:54:46.278 UTC IS-IS Router: 1 System Id: 0040.0400.4004 Hostname: R4 IS Levels: level-1 Manual area address(es): 49.0002 Routing for area address(es): 49.0002 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4400 Respawn count: 1 Started: Sun 2026 Oct 04 14:53:13.818 UTC Null0 ready: Sun 2026 Oct 04 14:53:15.320 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1596892/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13803412/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 10/8624 Nets: 8/5120 Paths: 14/1344 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 14:53:16.211 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:R4#show isis hostname Sun Oct 4 15:54:46.405 UTC IS-IS 1 hostnames Level System ID Dynamic Hostname 1 0070.0700.7007 R7 1 0030.0300.3003 R3 1 * 0040.0400.4004 R4 RP/0/RP0/CPU0:R4#show isis interface Sun Oct 4 15:54:46.554 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: 4.4.4.4/32 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: 5 Last IIH Received: 15:54:38 (8.19 sec ago), 1497 octets Last IIH Sent: 15:54:39 (6.83 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 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.0032.5f43 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: 10.0.34.4 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: 14:53:30.521 Received CSNP complete: 14:53:31.524 LSP Pacing Start: 14:53:31.521 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R4#show isis interface brief Sun Oct 4 15:54:46.676 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:R4#show isis neighbors Sun Oct 4 15:54:46.917 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R3 Gi0/0/0/0 *PtoP* Up 29 L1 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R4#show isis neighbors detail Sun Oct 4 15:54:47.077 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R3 Gi0/0/0/0 *PtoP* Up 29 L1 Capable Area Address(es): 49.0002 IPv4 Address(es): 10.0.34.3* Topologies: 'IPv4 Unicast' Uptime: 01:01:16 Total neighbor count: 1 RP/0/RP0/CPU0:R4#show isis adjacency Sun Oct 4 15:54:47.222 UTC IS-IS 1 Level-1 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R3 Gi0/0/0/0 *PtoP* Up 29 01:01:16 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R4#show isis adjacency detail Sun Oct 4 15:54:47.410 UTC IS-IS 1 Level-1 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R3 Gi0/0/0/0 *PtoP* Up 29 01:01:16 Yes None None Area Address: 49.0002 Neighbor IPv4 Address: 10.0.34.3* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 Total adjacency count: 1 RP/0/RP0/CPU0:R4#show isis adjacency-log Sun Oct 4 15:54:47.598 UTC IS-IS 1 Level 1 Adjacency Log Capacity: 100, Size: 2 When System Interface State Details --- Sun Oct 4 2026 --- 14:53:29.913 R3 Gi0/0/0/0 d -> i 14:53:30.521 R3 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up RP/0/RP0/CPU0:R4#show isis database Sun Oct 4 15:54:47.746 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R3.00-00 0x0000000b 0x6420 730 /1200 1/0/0 R4.00-00 * 0x00000009 0x26ae 582 /* 0/0/0 R7.00-00 0x00000009 0x4a4f 866 /1200 0/0/0 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R4#show isis database detail Sun Oct 4 15:54:47.918 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R3.00-00 0x0000000b 0x6420 730 /1200 1/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R4.00 Metric: 10 IS-Extended R7.00 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 10.0.34.0/24 Metric: 10 IP-Extended 10.0.35.0/24 Metric: 10 IP-Extended 10.0.37.0/24 R4.00-00 * 0x00000009 0x26ae 582 /* 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 R7.00-00 0x00000009 0x4a4f 866 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 7.7.7.7 Hostname: R7 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 7.7.7.7/32 Metric: 10 IP-Extended 10.0.37.0/24 Metric: 0 IP-Extended 172.16.0.100/32 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R4#show isis database verbose Sun Oct 4 15:54:48.063 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R3.00-00 0x0000000b 0x6420 729 /1200 1/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R4.00 Metric: 10 IS-Extended R7.00 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 10.0.34.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.35.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.37.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R4.00-00 * 0x00000009 0x26ae 581 /* 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 R7.00-00 0x00000009 0x4a4f 865 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 7.7.7.7 Hostname: R7 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 7.7.7.7/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.37.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 0 IP-Extended 172.16.0.100/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R4#show isis topology Sun Oct 4 15:54:48.185 UTC IS-IS 1 paths to IPv4 Unicast (Level-1) routers System Id Metric Next-Hop Interface SNPA R3 10 R3 Gi0/0/0/0 *PtoP* R4 -- R7 20 R3 Gi0/0/0/0 *PtoP* RP/0/RP0/CPU0:R4#show isis spf-log Sun Oct 4 15:54:48.319 UTC IS-IS 1 Level 1 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 12 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 14:53:16.407 FSPF 0 0 2 CONFIG 14:53:26.314 FSPF 0 1 7 R4.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 14:53:28.556 FSPF 0 1 1 R4.00-00 OVLCLR 14:53:30.579 FSPF 0 3 10 R3.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 14:53:32.180 FSPF 0 3 3 R4.00-00 ATTSET LINKGOOD PREFIXGOOD 14:53:35.381 FSPF 0 3 1 R4.00-00 LINKGOOD 14:53:40.382 FSPF 2 3 1 R3.00-00 LINKGOOD 15:07:17.061 PRC 1 3 1 R7.00-00 PREFIXGOOD 15:08:40.435 FSPF 0 3 1 PERIODIC 15:23:40.486 FSPF 0 3 1 PERIODIC 15:38:40.537 FSPF 0 3 1 PERIODIC 15:53:40.588 FSPF 0 3 1 PERIODIC RP/0/RP0/CPU0:R4#show isis spf-log detail Sun Oct 4 15:54:48.450 UTC IS-IS 1 Level 1 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 12 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 14:53:16.407 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 14:53:26.314 FSPF 0 1 7 R4.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR Delay: 9907ms (since first trigger) 9907ms (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: 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 14:53:28.556 FSPF 0 1 1 R4.00-00 OVLCLR Delay: 50ms (since first trigger) 2242ms (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 14:53:30.579 FSPF 0 3 10 R3.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR Delay: 50ms (since first trigger) 2023ms (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: 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 14:53:32.180 FSPF 0 3 3 R4.00-00 ATTSET LINKGOOD PREFIXGOOD Delay: 1576ms (since first trigger) 1601ms (since end of last calculation) Trigger Prefix: 10.0.34.0/24 Trigger LSPs: 3 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 14:53:35.381 FSPF 0 3 1 R4.00-00 LINKGOOD Delay: 3176ms (since first trigger) 3201ms (since end of last calculation) Trigger Link: R3.00 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 14:53:40.382 FSPF 2 3 1 R3.00-00 LINKGOOD Delay: 3351ms (since first trigger) 5001ms (since end of last calculation) Trigger Link: R4.00 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 15:07:17.061 PRC 1 3 1 R7.00-00 PREFIXGOOD Delay: 50ms (since first trigger) 816677ms (since end of last calculation) Trigger Prefix: 172.16.0.100/32 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 15:08:40.435 FSPF 0 3 1 PERIODIC Delay: 50ms (since first trigger) 83373ms (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 15:23:40.486 FSPF 0 3 1 PERIODIC Delay: 50ms (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 15:38:40.537 FSPF 0 3 1 PERIODIC Delay: 50ms (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 15:53:40.588 FSPF 0 3 1 PERIODIC Delay: 50ms (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 RP/0/RP0/CPU0:R4#show isis lsp-log Sun Oct 4 15:54:48.707 UTC IS-IS 1 Level 1 LSP Generation Log Capacity: 50, Size: 5 When Count Interface Triggers --- Sun Oct 4 2026 --- 14:53:16.469 1 CONFIG 14:53:24.155 1 Lo0 IPUP 14:53:28.505 1 LSPDBOL 14:53:30.582 2 Gi0/0/0/0 MSD SABIT 14:53:32.205 1 Gi0/0/0/0 SABIT RP/0/RP0/CPU0:R4#show isis statistics Sun Oct 4 15:54:48.872 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 424 424 0 - CSNP: 1 1 - 0 PSNP: 12 6 0 0 LSP: 6 14 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 21 High Water Mark: 2 HWM Set: Sun 2026 Oct 04 14:53:30.528 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 445 High Water Mark: 2 Total Drops: 0 Level-1 LSPs sourced (new/refresh): 7/4 Route Calculations IPv4 Unicast Total: 12 Full SPF Calculations: 11 Periodic: 4 Partial Route Calc: 1 Next Hop Calculations: 0 RP/0/RP0/CPU0:R4#show route isis Sun Oct 4 15:54:49.015 UTC i*L1 0.0.0.0/0 [115/10] via 10.0.34.3, 01:01:08, GigabitEthernet0/0/0/0 i L1 3.3.3.3/32 [115/10] via 10.0.34.3, 01:01:08, GigabitEthernet0/0/0/0 i L1 7.7.7.7/32 [115/20] via 10.0.34.3, 01:01:08, GigabitEthernet0/0/0/0 i L1 10.0.35.0/24 [115/20] via 10.0.34.3, 01:01:08, GigabitEthernet0/0/0/0 i L1 10.0.37.0/24 [115/20] via 10.0.34.3, 01:01:08, GigabitEthernet0/0/0/0 i L1 172.16.0.100/32 [115/20] via 10.0.34.3, 00:47:32, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R4#show isis route Sun Oct 4 15:54:49.223 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 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L1 3.3.3.3/32 [10/115] via 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0 C 4.4.4.4/32 is directly connected, Loopback0 L1 7.7.7.7/32 [20/115] via 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0 C 10.0.34.0/24 is directly connected, GigabitEthernet0/0/0/0 L1 10.0.35.0/24 [20/115] via 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L1 10.0.37.0/24 [20/115] via 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L1 172.16.0.100/32 [20/115] via 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0 RP/0/RP0/CPU0:R4#show running-config router isis Sun Oct 4 15:54:49.455 UTC router isis 1 is-type level-1 net 49.0002.0040.0400.4004.00 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 metric 10 ! ! ! RP/0/RP0/CPU0:R4#show route 0.0.0.0/0 Sun Oct 4 15:54:50.519 UTC Routing entry for 0.0.0.0/0 Known via "isis 1", distance 115, metric 10, candidate default path, type level-1 Installed Oct 4 14:53:40.383 for 01:01:10 Routing Descriptor Blocks 10.0.34.3, from 3.3.3.3, via GigabitEthernet0/0/0/0 Route metric is 10 No advertising protos. RP/0/RP0/CPU0:R4#show isis database level 1 Sun Oct 4 15:54:50.872 UTC IS-IS 1 (Level-1) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R3.00-00 0x0000000b 0x6420 727 /1200 1/0/0 R4.00-00 * 0x00000009 0x26ae 579 /* 0/0/0 R7.00-00 0x00000009 0x4a4f 863 /1200 0/0/0 Total Level-1 LSP count: 3 Local Level-1 LSP count: 1 RP/0/RP0/CPU0:R4#show running-config router static Sun Oct 4 15:54:50.995 UTC router static vrf Mgmt address-family ipv4 unicast 0.0.0.0/0 10.19.0.1 ! ! ! RP/0/RP0/CPU0:R4#show route 172.16.0.100/32 Sun Oct 4 15:54:52.071 UTC Routing entry for 172.16.0.100/32 Known via "isis 1", distance 115, metric 20, type level-1 Installed Oct 4 15:07:17.061 for 00:47:35 Routing Descriptor Blocks 10.0.34.3, from 7.7.7.7, via GigabitEthernet0/0/0/0 Route metric is 20 No advertising protos. RP/0/RP0/CPU0:R4#show route 172.16.0.100/32 detail Sun Oct 4 15:54:52.246 UTC Routing entry for 172.16.0.100/32 Known via "isis 1", distance 115, metric 20, type level-1 Installed Oct 4 15:07:17.061 for 00:47:35 Routing Descriptor Blocks 10.0.34.3, from 7.7.7.7, via GigabitEthernet0/0/0/0 Route metric is 20 Label: None Tunnel ID: None Binding Label: None Extended communities count: 0 Path id:1 Path ref count:0 NHID: 0x2 (Ref: 7) Route version is 0x1 (1) No local label IP Precedence: Not Set QoS Group ID: Not Set Flow-tag: Not Set Fwd-class: Not Set Route Priority: RIB_PRIORITY_NON_RECURSIVE_MEDIUM (9) SVD Type RIB_SVD_TYPE_LOCAL Download Priority 1, Download Version 11 No advertising protos. RP/0/RP0/CPU0:R4#show cef 172.16.0.100/32 Sun Oct 4 15:54:52.433 UTC 172.16.0.100/32, version 11, internal 0x1000001 0x10 (ptr 0x882f37b0) [1], 0x400 (0x894af958), 0x0 (0x0) Updated Oct 4 15:07:17.064 local adjacency to GigabitEthernet0/0/0/0 Prefix Len 32, traffic index 0, precedence n/a, priority 1 gateway array (0x89347f88) reference count 5, flags 0x0, source rib (7), 0 backups [6 type 3 flags 0x8401 (0x893eb988) ext 0x0 (0x0)] LW-LDI[type=3, refc=1, ptr=0x894af958, sh-ldi=0x893eb988] gateway array update type-time 1 Oct 4 14:53:40.386 LDI Update time Oct 4 14:53:40.386 LW-LDI-TS Oct 4 15:07:17.064 via 10.0.34.3/32, GigabitEthernet0/0/0/0, 7 dependencies, weight 0, class 0 [flags 0x0] path-idx 0 NHID 0x2 [0x8a83a140 0x0] next hop 10.0.34.3/32 local adjacency Load distribution: 0 (refcount 6) Hash OK Interface Address 0 Y GigabitEthernet0/0/0/0 10.0.34.3 RP/0/RP0/CPU0:R4#show isis route 172.16.0.100/32 Sun Oct 4 15:54:52.646 UTC L1 172.16.0.100/32 [20/115] via 10.0.34.3, GigabitEthernet0/0/0/0, R3, Weight: 0