RP/0/RP0/CPU0:R1#show version Wed Sep 23 22:29:37.565 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 23 minutes XRd Control Plane Container RP/0/RP0/CPU0:R1#show interface description Wed Sep 23 22:29:37.671 UTC Interface Status Protocol Description -------------------------------------------------------------------------------- Lo0 up up Nu0 up up Mg0/RP0/CPU0/0 up up management Gi0/0/0/0 admin-down admin-down to R2 (10.0.12.0/24 p2p) Gi0/0/0/1 up up to R4 (10.0.14.0/24 p2p) Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R1#show route Wed Sep 23 22:29:37.902 UTC Codes: C - connected, S - static, R - RIP, B - BGP, (>) - Diversion path D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, su - IS-IS summary null, * - candidate default U - per-user static route, o - ODR, L - local, G - DAGR, l - LISP A - access/subscriber, a - Application route M - mobile route, r - RPL, t - Traffic Engineering, (!) - FRR Backup path s - local SRv6 route, z - local IID route Gateway of last resort is not set L 1.1.1.1/32 is directly connected, 00:20:56, Loopback0 i L2 2.2.2.2/32 [115/80] via 10.0.14.4, 00:01:24, GigabitEthernet0/0/0/1 i L2 3.3.3.3/32 [115/70] via 10.0.14.4, 00:01:24, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/20] via 10.0.14.4, 00:20:18, GigabitEthernet0/0/0/1 i L2 5.5.5.5/32 [115/40] via 10.0.14.4, 00:20:08, GigabitEthernet0/0/0/1 i L2 6.6.6.6/32 [115/60] via 10.0.14.4, 00:01:24, GigabitEthernet0/0/0/1 C 10.0.14.0/24 is directly connected, 00:20:51, GigabitEthernet0/0/0/1 L 10.0.14.1/32 is directly connected, 00:20:51, GigabitEthernet0/0/0/1 i L2 10.0.23.0/24 [115/80] via 10.0.14.4, 00:01:24, GigabitEthernet0/0/0/1 i L2 10.0.36.0/24 [115/70] via 10.0.14.4, 00:01:24, GigabitEthernet0/0/0/1 i L2 10.0.45.0/24 [115/40] via 10.0.14.4, 00:20:18, GigabitEthernet0/0/0/1 i L2 10.0.56.0/24 [115/60] via 10.0.14.4, 00:01:24, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R1#show route isis Wed Sep 23 22:29:38.205 UTC i L2 2.2.2.2/32 [115/80] via 10.0.14.4, 00:01:25, GigabitEthernet0/0/0/1 i L2 3.3.3.3/32 [115/70] via 10.0.14.4, 00:01:25, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/20] via 10.0.14.4, 00:20:19, GigabitEthernet0/0/0/1 i L2 5.5.5.5/32 [115/40] via 10.0.14.4, 00:20:09, GigabitEthernet0/0/0/1 i L2 6.6.6.6/32 [115/60] via 10.0.14.4, 00:01:25, GigabitEthernet0/0/0/1 i L2 10.0.23.0/24 [115/80] via 10.0.14.4, 00:01:25, GigabitEthernet0/0/0/1 i L2 10.0.36.0/24 [115/70] via 10.0.14.4, 00:01:25, GigabitEthernet0/0/0/1 i L2 10.0.45.0/24 [115/40] via 10.0.14.4, 00:20:19, GigabitEthernet0/0/0/1 i L2 10.0.56.0/24 [115/60] via 10.0.14.4, 00:01:25, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R1#show isis Wed Sep 23 22:29:38.368 UTC IS-IS Router: 1 System Id: 0010.0100.1001 Hostname: R1 IS Levels: level-2-only Manual area address(es): 49.0001 Routing for area address(es): 49.0001 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4389 Respawn count: 1 Started: Wed 2026 Sep 23 22:08:30.906 UTC Null0 ready: Wed 2026 Sep 23 22:08:32.507 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1594991/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13869767/2147483648 0% Memory usage specifics (count/bytes): Nodes: 6/2448 LSPs: 6/2504 Links: 10/12240 Prefixes: 16/14720 Nets: 11/7184 Paths: 20/1920 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: Wed 2026 Sep 23 22:08:33.600 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 disabled (active in configuration) GigabitEthernet0/0/0/1 is running actively (active in configuration) RP/0/RP0/CPU0:R1#show isis interface Wed Sep 23 22:29:38.510 UTC IS-IS 1 Interfaces Loopback0 Enabled Adjacency Formation: Disabled (Passive in IS-IS cfg) Prefix Advertisement: Enabled Bandwidth: 0 Circuit Type: level-2-only (Configured: level-1-2) Media Type: Loop Circuit Number: 0 IPv4 Unicast Topology: Enabled Adjacency Formation: Disabled (Intf passive in IS-IS cfg) Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 0/0 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 0/0/0/0 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: None (Intf passive in IS-IS cfg) Global Prefix: 1.1.1.1/32 PME Link Delays and Loss: - GigabitEthernet0/0/0/0 Enabled Adjacency Formation: Disabled (CLNS I/O unavailable/down on the intf) Prefix Advertisement: Disabled (No cfg topology can participate) Bandwidth: 1000000 Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 IPv4 BFD: Disabled IPv6 BFD: Disabled CLNS I/O Protocol State: Down (Intf not up in CLNS proto stack) MTU: 1497 SNPA: 5254.00f2.778d Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Disabled (Not up in intf protocol stack) Prefix Advertisement: Disabled (Not up in intf protocol stack) 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: Down (IPv4 not up in intf protocol stack) Forwarding Address: 10.0.12.1 Global Prefix: 10.0.12.0/24 PME Link Delays and Loss: - GigabitEthernet0/0/0/1 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled Bandwidth: 1000000 RSI SRLG: Not Registered Circuit Type: level-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 2 Last IIH Received: 22:29:33 (4.74 sec ago), 1497 octets Last IIH Sent: 22:29:36 (1.81 sec ago), 1497 octets Sending next P2P IIH in: 6 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 1 Adjacency Flaps: 0 LSP Pacing Interval: 33 ms PSNP Entry Queue Size: 0 Hello Interval: 10 s Hello Multiplier: 3 CLNS I/O Protocol State: Up MTU: 1497 SNPA: 5254.0064.1d8c Layer-2 Multicast: All ISs: Listening IPv4 Unicast Topology: Enabled Adjacency Formation: Running Prefix Advertisement: Running Policy (L1/L2): -/- Metric (L1/L2): 20/20 Metric fallback: Bandwidth (L1/L2): Inactive/Inactive Anomaly (L1/L2): Inactive/Inactive Weight (L1/L2): 0/0 MPLS Max Label Stack: 1/3/7/7 (PRI/BKP/SRTE/SRAT) MPLS LDP Sync (L1/L2): Disabled/Disabled FRR (L1/L2): L1 Not Enabled L2 Not Enabled FRR Type: None None IPv4 Address Family: Enabled Protocol State: Up Forwarding Address: 10.0.14.1 Global Prefix: 10.0.14.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 9 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: 22:09:14.234 Received CSNP complete: 22:09:14.818 LSP Pacing Start: 22:09:14.818 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R1#show isis neighbors Wed Sep 23 22:29:38.749 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R4 Gi0/0/0/1 *PtoP* Up 25 L2 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R1#show isis neighbors detail Wed Sep 23 22:29:38.936 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R4 Gi0/0/0/1 *PtoP* Up 24 L2 Capable Area Address(es): 49.0001 IPv4 Address(es): 10.0.14.4* Topologies: 'IPv4 Unicast' Uptime: 00:20:24 Total neighbor count: 1 RP/0/RP0/CPU0:R1#show isis topology Wed Sep 23 22:29:39.085 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R1 -- R2 80 R4 Gi0/0/0/1 *PtoP* R3 70 R4 Gi0/0/0/1 *PtoP* R4 20 R4 Gi0/0/0/1 *PtoP* R5 40 R4 Gi0/0/0/1 *PtoP* R6 60 R4 Gi0/0/0/1 *PtoP* RP/0/RP0/CPU0:R1#show isis database Wed Sep 23 22:29:39.297 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000b 0xca66 1113 /* 0/0/0 R2.00-00 0x0000000b 0x151e 1113 /1200 0/0/0 R3.00-00 0x00000007 0x3374 684 /1200 0/0/0 R4.00-00 0x00000007 0x2672 752 /1200 0/0/0 R5.00-00 0x00000006 0x7e3d 679 /1200 0/0/0 R6.00-00 0x00000008 0x7a75 715 /1200 0/0/0 Total Level-2 LSP count: 6 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R1#show isis database detail Wed Sep 23 22:29:39.502 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R1.00-00 * 0x0000000b 0xca66 1113 /* 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 1.1.1.1 Hostname: R1 Metric: 20 IS-Extended R4.00 Metric: 0 IP-Extended 1.1.1.1/32 Metric: 20 IP-Extended 10.0.14.0/24 R2.00-00 0x0000000b 0x151e 1113 /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 R3.00 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 10.0.23.0/24 R3.00-00 0x00000007 0x3374 684 /1200 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: 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 10.0.36.0/24 R4.00-00 0x00000007 0x2672 752 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 4.4.4.4 Hostname: R4 Metric: 20 IS-Extended R1.00 Metric: 20 IS-Extended R5.00 Metric: 0 IP-Extended 4.4.4.4/32 Metric: 20 IP-Extended 10.0.14.0/24 Metric: 20 IP-Extended 10.0.45.0/24 R5.00-00 0x00000006 0x7e3d 679 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: R5 Metric: 20 IS-Extended R4.00 Metric: 20 IS-Extended R6.00 Metric: 0 IP-Extended 5.5.5.5/32 Metric: 20 IP-Extended 10.0.45.0/24 Metric: 20 IP-Extended 10.0.56.0/24 R6.00-00 0x00000008 0x7a75 715 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 6.6.6.6 Hostname: R6 Metric: 10 IS-Extended R3.00 Metric: 20 IS-Extended R5.00 Metric: 0 IP-Extended 6.6.6.6/32 Metric: 10 IP-Extended 10.0.36.0/24 Metric: 20 IP-Extended 10.0.56.0/24 Total Level-2 LSP count: 6 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R1#show isis spf-log Wed Sep 23 22:29:39.653 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 22 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Wed Sep 23 2026 --- 22:08:33.920 FSPF 0 0 2 CONFIG 22:08:43.702 FSPF 0 1 7 R1.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 22:08:45.795 FSPF 0 1 1 R1.00-00 OVLCLR 22:08:48.548 PRC 0 1 1 R1.00-00 PREFIXGOOD 22:09:01.292 FSPF 0 2 5 R2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 22:09:03.177 FSPF 0 2 1 R2.00-00 LINKGOOD 22:09:03.669 FSPF 2 2 1 R1.00-00 LINKGOOD 22:09:08.520 FSPF 0 4 11 R3.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 22:09:10.889 FSPF 2 4 2 R2.00-00 LINKGOOD 22:09:14.092 FSPF 2 4 1 R3.00-00 LINKGOOD 22:09:19.096 FSPF 2 5 7 R4.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 22:09:24.100 FSPF 0 6 6 R5.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 22:09:29.101 FSPF 2 6 2 R4.00-00 LINKGOOD 22:15:04.449 FSPF 2 6 1 R2.00-00 LINKBAD 22:15:06.263 FSPF 0 6 1 R1.00-00 LINKBAD 22:15:47.553 FSPF 0 6 2 R1.00-00 NEWADJ LINKGOOD 22:15:47.871 FSPF 2 6 1 R2.00-00 LINKGOOD 22:20:28.595 FSPF 2 6 1 R2.00-00 LINKBAD 22:20:29.546 FSPF 0 6 1 R1.00-00 LINKBAD 22:24:25.907 FSPF 0 6 2 R1.00-00 NEWADJ LINKGOOD 22:24:26.224 FSPF 2 6 1 R2.00-00 LINKGOOD 22:28:13.197 FSPF 2 6 5 R2.00-00 DELADJ LINKBAD PREFIXBAD RP/0/RP0/CPU0:R1#show isis lsp-log Wed Sep 23 22:29:39.771 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 11 When Count Interface Triggers --- Wed Sep 23 2026 --- 22:08:33.996 1 CONFIG 22:08:41.895 1 Lo0 IPUP 22:08:45.720 1 LSPDBOL 22:08:48.497 1 Gi0/0/0/0 MSD 22:09:03.618 1 Gi0/0/0/0 SABIT 22:09:18.188 1 Gi0/0/0/1 SABIT 22:15:06.212 2 Gi0/0/0/0 DELADJ BESTADJ 22:15:47.502 1 Gi0/0/0/0 NEWADJ 22:20:29.495 2 Gi0/0/0/0 DELADJ BESTADJ 22:24:25.857 1 Gi0/0/0/0 NEWADJ 22:28:13.195 2 Gi0/0/0/0 DELADJ BESTADJ RP/0/RP0/CPU0:R1#show isis adjacency-log Wed Sep 23 22:29:39.919 UTC IS-IS 1 Level 2 Adjacency Log Capacity: 100, Size: 11 When System Interface State Details --- Wed Sep 23 2026 --- 22:08:59.331 R2 Gi0/0/0/0 d -> i 22:08:59.941 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 22:09:13.625 R4 Gi0/0/0/1 d -> i 22:09:14.235 R4 Gi0/0/0/1 i -> u New adjacency IPv4 Unicast Up 22:15:06.161 R2 Gi0/0/0/0 u -> d Holdtime expired IPv4 Unicast Down 22:15:46.844 R2 Gi0/0/0/0 d -> i 22:15:47.451 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 22:20:29.445 R2 Gi0/0/0/0 u -> d Holdtime expired IPv4 Unicast Down 22:24:25.198 R2 Gi0/0/0/0 d -> i 22:24:25.805 R2 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 22:28:13.138 R2 Gi0/0/0/0 u -> d Interface state down IPv4 Unicast Down RP/0/RP0/CPU0:R1#show running-config router isis Wed Sep 23 22:29:40.113 UTC router isis 1 is-type level-2-only net 49.0001.0010.0100.1001.00 log adjacency changes address-family ipv4 unicast metric-style wide ! interface Loopback0 passive address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/0 point-to-point address-family ipv4 unicast metric 10 ! ! interface GigabitEthernet0/0/0/1 point-to-point address-family ipv4 unicast metric 20 ! ! !