RP/0/RP0/CPU0:R3#show version Tue Sep 15 05:14:29.017 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 15 minutes XRd Control Plane Container RP/0/RP0/CPU0:R3#show interface description Tue Sep 15 05:14:29.120 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 (10.2.3.0/24 p2p) Gi0/0/0/1 admin-down admin-down Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R3#show route Tue Sep 15 05:14:29.600 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 L2 1.1.1.1/32 [115/20] via 10.2.3.2, 00:12:17, GigabitEthernet0/0/0/0 i L2 2.2.2.2/32 [115/10] via 10.2.3.2, 00:12:17, GigabitEthernet0/0/0/0 L 3.3.3.3/32 is directly connected, 00:12:28, Loopback0 i L2 10.1.2.0/24 [115/20] via 10.2.3.2, 00:12:17, GigabitEthernet0/0/0/0 C 10.2.3.0/24 is directly connected, 00:12:22, GigabitEthernet0/0/0/0 L 10.2.3.3/32 is directly connected, 00:12:22, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R3#show route isis Tue Sep 15 05:14:29.979 UTC i L2 1.1.1.1/32 [115/20] via 10.2.3.2, 00:12:17, GigabitEthernet0/0/0/0 i L2 2.2.2.2/32 [115/10] via 10.2.3.2, 00:12:17, GigabitEthernet0/0/0/0 i L2 10.1.2.0/24 [115/20] via 10.2.3.2, 00:12:17, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R3#show route 3.3.3.3/32 Tue Sep 15 05:14:30.188 UTC Routing entry for 3.3.3.3/32 Known via "local", distance 0, metric 0 (connected) Installed Sep 15 05:02:01.682 for 00:12:28 Routing Descriptor Blocks directly connected, via Loopback0 Route metric is 0 Redist Advertisers: 3 (protoid=3, clientid=38) RP/0/RP0/CPU0:R3#show isis Tue Sep 15 05:14:30.494 UTC IS-IS Router: 1 System Id: 0030.0300.3003 Hostname: R3 IS Levels: level-2-only Manual area address(es): 49.0001 Routing for area address(es): 49.0001 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4395 Respawn count: 1 Started: Tue 2026 Sep 15 05:01:49.200 UTC Null0 ready: Tue 2026 Sep 15 05:01:50.786 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: 13803051/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 7/6440 Nets: 5/3056 Paths: 8/768 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: Tue 2026 Sep 15 05:01:51.781 UTC BFD connection flaps: 0 BFD HA role change: never BFD client HA role: none BFD server HA role: none Overload Bit: not configured Maximum Metric: not configured Topologies supported by IS-IS: IPv4 Unicast Rib connected Level-2 Metric style (generate/accept): Wide/Wide Metric: 10 No protocols redistributed Distance: 115 Advertise Passive Interface Prefixes Only: No Interfaces supported by IS-IS 1: Loopback0 is running passively (passive in configuration) GigabitEthernet0/0/0/0 is running actively (active in configuration) RP/0/RP0/CPU0:R3#show isis neighbors Tue Sep 15 05:14:30.734 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R2 Gi0/0/0/0 *PtoP* Up 26 L2 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R3#show isis database Tue Sep 15 05:14:30.889 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 0x00000005 0xc1d8 457 /1198 0/0/0 R2.00-00 0x00000008 0x7617 838 /1200 0/0/0 R3.00-00 * 0x00000005 0xaa97 1187 /* 0/0/0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis database detail Tue Sep 15 05:14:31.089 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 0x00000005 0xc1d8 457 /1198 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 10.1.2.0/24 R2.00-00 0x00000008 0x7617 838 /1200 0/0/0 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 R3.00 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 10.1.2.0/24 Metric: 10 IP-Extended 10.2.3.0/24 R3.00-00 * 0x00000005 0xaa97 1187 /* 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 10.2.3.0/24 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis spf-log Tue Sep 15 05:14:31.276 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 7 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Tue Sep 15 2026 --- 05:01:52.087 FSPF 0 0 2 CONFIG 05:02:02.978 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 05:02:05.045 FSPF 0 1 1 R3.00-00 OVLCLR 05:02:08.842 FSPF 0 3 14 R1.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 05:02:12.225 FSPF 2 3 1 R2.00-00 LINKGOOD 05:07:56.876 FSPF 1 3 2 R2.00-00 LINKBAD PREFIXBAD 05:08:29.577 FSPF 1 3 2 R2.00-00 LINKGOOD PREFIXGOOD RP/0/RP0/CPU0:R3#show isis spf-log detail Tue Sep 15 05:14:31.415 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 7 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Tue Sep 15 2026 --- 05:01:52.087 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 05:02:02.978 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR Delay: 10891ms (since first trigger) 10891ms (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 05:02:05.045 FSPF 0 1 1 R3.00-00 OVLCLR Delay: 50ms (since first trigger) 2067ms (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 05:02:08.842 FSPF 0 3 14 R1.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 50ms (since first trigger) 3797ms (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: 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 05:02:12.225 FSPF 2 3 1 R2.00-00 LINKGOOD Delay: 51ms (since first trigger) 3383ms (since end of last calculation) Trigger Link: R3.00 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 3200ms 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 05:07:56.876 FSPF 1 3 2 R2.00-00 LINKBAD PREFIXBAD Delay: 50ms (since first trigger) 344649ms (since end of last calculation) Trigger Link: R3.00 Trigger Prefix: 10.2.3.0/24 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms 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 05:08:29.577 FSPF 1 3 2 R2.00-00 LINKGOOD PREFIXGOOD Delay: 50ms (since first trigger) 32700ms (since end of last calculation) Trigger Link: R3.00 Trigger Prefix: 10.2.3.0/24 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 200ms 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 RP/0/RP0/CPU0:R3#show isis lsp-log Tue Sep 15 05:14:31.557 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 4 When Count Interface Triggers --- Tue Sep 15 2026 --- 05:01:52.225 2 CONFIG CONFIG 05:02:01.742 1 Lo0 IPUP 05:02:04.994 1 LSPDBOL 05:02:08.834 2 Gi0/0/0/0 NEWADJ MSD RP/0/RP0/CPU0:R3#show isis route Tue Sep 15 05:14:31.706 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 L2 1.1.1.1/32 [20/115] via 10.2.3.2, GigabitEthernet0/0/0/0, R2, Weight: 0 L2 2.2.2.2/32 [10/115] via 10.2.3.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 3.3.3.3/32 is directly connected, Loopback0 L2 10.1.2.0/24 [20/115] via 10.2.3.2, GigabitEthernet0/0/0/0, R2, Weight: 0 C 10.2.3.0/24 is directly connected, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R3#show running-config router isis Tue Sep 15 05:14:31.890 UTC router isis 1 is-type level-2-only net 49.0001.0030.0300.3003.00 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 metric 10 ! ! ! RP/0/RP0/CPU0:R3#show configuration commit list Tue Sep 15 05:14:32.886 UTC The commit database is empty. RP/0/RP0/CPU0:R3#show isis adjacency-log Tue Sep 15 05:14:33.089 UTC IS-IS 1 Level 2 Adjacency Log Capacity: 100, Size: 2 When System Interface State Details --- Tue Sep 15 2026 --- 05:02:08.175 R2 Gi0/0/0/0 d -> i 05:02:08.784 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up RP/0/RP0/CPU0:R3#show isis statistics Tue Sep 15 05:14:33.231 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 88 86 0 - CSNP: 1 1 - 0 PSNP: 4 2 0 0 LSP: 2 5 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 8 High Water Mark: 2 HWM Set: Tue 2026 Sep 15 05:02:08.791 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 94 High Water Mark: 2 Total Drops: 0 Level-2 LSPs sourced (new/refresh): 6/1 Route Calculations IPv4 Unicast Total: 7 Full SPF Calculations: 7 Periodic: 0 Partial Route Calc: 0 Next Hop Calculations: 0