RP/0/RP0/CPU0:R5#show version Tue Sep 8 05:54:16.600 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 R5 uptime is 28 minutes XRd Control Plane Container RP/0/RP0/CPU0:R5#show interface description Tue Sep 8 05:54:16.691 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 (10.2.5.0/24) Gi0/0/0/1 up up to R3 (10.3.5.0/24) Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R5#show route Tue Sep 8 05:54:16.888 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 3.3.3.3/32 [115/10] via 10.3.5.3, 00:25:41, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/20] via 10.3.5.3, 00:25:40, GigabitEthernet0/0/0/1 L 5.5.5.5/32 is directly connected, 00:26:22, Loopback0 C 10.2.5.0/24 is directly connected, 00:26:18, GigabitEthernet0/0/0/0 L 10.2.5.5/32 is directly connected, 00:26:18, GigabitEthernet0/0/0/0 i L2 10.3.4.0/24 [115/20] via 10.3.5.3, 00:25:41, GigabitEthernet0/0/0/1 C 10.3.5.0/24 is directly connected, 00:26:18, GigabitEthernet0/0/0/1 L 10.3.5.5/32 is directly connected, 00:26:18, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R5#show route isis Tue Sep 8 05:54:17.056 UTC i L2 3.3.3.3/32 [115/10] via 10.3.5.3, 00:25:41, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/20] via 10.3.5.3, 00:25:40, GigabitEthernet0/0/0/1 i L2 10.3.4.0/24 [115/20] via 10.3.5.3, 00:25:41, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R5#show isis Tue Sep 8 05:54:17.207 UTC IS-IS Router: 1 System Id: 0050.0500.5005 Hostname: R5 IS Levels: level-2-only Manual area address(es): 49.0005 Routing for area address(es): 49.0005 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4369 Respawn count: 1 Started: Tue 2026 Sep 08 05:27:44.263 UTC Null0 ready: Tue 2026 Sep 08 05:27:45.755 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1597052/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13824839/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1257 Links: 3/3672 Prefixes: 11/3784 Nets: 9/5808 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 08 05:27:46.954 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): Narrow/Narrow 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) RP/0/RP0/CPU0:R5#show isis hostname Tue Sep 8 05:54:17.352 UTC IS-IS 1 hostnames Level System ID Dynamic Hostname 2 0020.0200.2002 R2 2 * 0050.0500.5005 R5 2 0030.0300.3003 R3 RP/0/RP0/CPU0:R5#show isis interface Tue Sep 8 05:54:17.469 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: 5.5.5.5/32 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-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 5 Last IIH Received: 05:54:15 (2.24 sec ago), 1497 octets Last PDU Rejected: 05:54:15 (2.24 sec ago), 1497 octets, P2P IIH, Level or Area Addr mismatch Last IIH Sent: 05:54:11 (6.41 sec ago), 1497 octets Sending next P2P IIH in: 2 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 0 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: 5254.00e7.8ecd 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: 10.2.5.5 Global Prefix: 10.2.5.0/24 LSP Transmission is: idle LSP Transmit Timer in: 0 ms LSP Burst Size: 10 LSPs in the next 0 ms LSP Rexmit Queue Size: 0 Adjacency Up: never Received CSNP complete: never LSP Pacing Start: never 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-2-only (Configured: level-1-2) Media Type: P2P Circuit Number: 0 Extended Circuit Number: 4 Last IIH Received: 05:54:15 (2.47 sec ago), 1497 octets Last IIH Sent: 05:54:17 (0.07 sec ago), 1497 octets Sending next P2P IIH in: 7 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: 5254.0001.98d1 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: 10.3.5.5 Global Prefix: 10.3.5.0/24 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: 05:28:15.154 Received CSNP complete: 05:28:15.464 LSP Pacing Start: 05:28:15.464 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R5#show isis interface brief Tue Sep 8 05:54:17.603 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 - 0 1/1 1/1 Up 1497 - - Gi0/0/0/1 Yes - 1 1/1 1/1 Up 1497 - - RP/0/RP0/CPU0:R5#show isis neighbors Tue Sep 8 05:54:17.719 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R3 Gi0/0/0/1 *PtoP* Up 27 L2 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R5#show isis neighbors detail Tue Sep 8 05:54:17.877 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R3 Gi0/0/0/1 *PtoP* Up 27 L2 Capable Area Address(es): 49.0002 IPv4 Address(es): 10.3.5.3* Topologies: 'IPv4 Unicast' Uptime: 00:26:02 Total neighbor count: 1 RP/0/RP0/CPU0:R5#show isis database Tue Sep 8 05:54:18.032 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x0000000d 0x66d5 820 /1200 0/0/0 R3.00-00 0x00000009 0x7d85 445 /1200 0/0/0 R5.00-00 * 0x00000008 0x0690 1033 /* 0/0/0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R5#show isis database detail Tue Sep 8 05:54:18.157 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x0000000d 0x66d5 820 /1200 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IP 1.1.1.1/32 Metric: 0 IP 2.2.2.2/32 Metric: 10 IP 10.1.2.0/24 Metric: 10 IP 10.2.5.0/24 Metric: 10 IS R5.00 R3.00-00 0x00000009 0x7d85 445 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 0 IP 3.3.3.3/32 Metric: 10 IP 4.4.4.4/32 Metric: 10 IP 10.3.4.0/24 Metric: 10 IP 10.3.5.0/24 Metric: 10 IS R5.00 R5.00-00 * 0x00000008 0x0690 1033 /* 0/0/0 Area Address: 49.0005 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: R5 Metric: 0 IP 5.5.5.5/32 Metric: 10 IP 10.2.5.0/24 Metric: 10 IP 10.3.5.0/24 Metric: 10 IS R3.00 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R5#show isis topology Tue Sep 8 05:54:18.391 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R2 ** R3 10 R3 Gi0/0/0/1 *PtoP* R5 -- RP/0/RP0/CPU0:R5#show isis adjacency Tue Sep 8 05:54:18.528 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R3 Gi0/0/0/1 *PtoP* Up 26 00:26:03 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R5#show isis adjacency detail Tue Sep 8 05:54:18.714 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R3 Gi0/0/0/1 *PtoP* Up 26 00:26:03 Yes None None Area Address: 49.0002 Neighbor IPv4 Address: 10.3.5.3* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 Total adjacency count: 1 RP/0/RP0/CPU0:R5#show isis spf-log Tue Sep 8 05:54:18.866 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 17 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Tue Sep 8 2026 --- 05:27:57.053 FSPF 0 1 7 R5.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 05:27:59.207 FSPF 0 1 2 R5.00-00 OVLCLR PREFIXGOOD 05:28:00.300 FSPF 0 2 5 R2.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 05:28:03.673 FSPF 0 2 1 R2.00-00 LINKGOOD 05:28:16.515 FSPF 0 3 5 R3.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 05:28:17.995 FSPF 0 3 1 R3.00-00 LINKGOOD 05:28:22.895 FSPF 2 3 1 R5.00-00 LINKGOOD 05:28:24.218 PRC 1 3 1 R2.00-00 PREFIXGOOD 05:28:35.342 FSPF 1 3 1 R5.00-00 LINKGOOD 05:28:36.765 PRC 1 3 1 R3.00-00 PREFIXGOOD 05:43:35.394 FSPF 0 3 1 PERIODIC 05:44:34.063 FSPF 1 3 6 R2.00-00 DELNODE LSPEXPIRY LINKBAD PREFIXBAD AREAADDR IPADDR 05:44:35.576 FSPF 2 3 6 R2.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 05:47:55.577 NHC 0 3 1 R2.00-00 AREAADDR 05:47:55.777 NHC 0 3 1 R2.00-00 AREAADDR 05:47:58.638 PRC 2 3 1 R2.00-00 PREFIXGOOD 05:51:31.852 FSPF 2 3 2 R5.00-00 DELADJ LINKBAD RP/0/RP0/CPU0:R5#show isis lsp-log Tue Sep 8 05:54:18.991 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 7 When Count Interface Triggers --- Tue Sep 8 2026 --- 05:27:47.142 1 CONFIG 05:27:49.268 1 CONFIG 05:27:54.492 1 Lo0 IPUP 05:27:59.156 2 Gi0/0/0/0 LSPDBOL MSD 05:28:22.844 1 Gi0/0/0/0 SABIT 05:28:35.291 1 Gi0/0/0/1 SABIT 05:51:31.801 2 Gi0/0/0/0 DELADJ BESTADJ RP/0/RP0/CPU0:R5#show isis statistics Tue Sep 8 05:54:19.135 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 365 365 0 - CSNP: 2 2 - 0 PSNP: 12 20 0 0 LSP: 22 13 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 35 High Water Mark: 2 HWM Set: Tue 2026 Sep 08 05:28:35.799 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 400 High Water Mark: 2 Total Drops: 0 Level-2 LSPs sourced (new/refresh): 9/1 Route Calculations IPv4 Unicast Total: 17 Full SPF Calculations: 12 Periodic: 1 Partial Route Calc: 3 Next Hop Calculations: 2 RP/0/RP0/CPU0:R5#show cef Tue Sep 8 05:54:19.269 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 drop default handler 0.0.0.0/32 broadcast 3.3.3.3/32 10.3.5.3/32 GigabitEthernet0/0/0/1 4.4.4.4/32 10.3.5.3/32 GigabitEthernet0/0/0/1 5.5.5.5/32 receive Loopback0 10.2.5.0/24 attached GigabitEthernet0/0/0/0 10.2.5.0/32 broadcast GigabitEthernet0/0/0/0 10.2.5.2/32 10.2.5.2/32 GigabitEthernet0/0/0/0 10.2.5.5/32 receive GigabitEthernet0/0/0/0 10.2.5.255/32 broadcast GigabitEthernet0/0/0/0 10.3.4.0/24 10.3.5.3/32 GigabitEthernet0/0/0/1 10.3.5.0/24 attached GigabitEthernet0/0/0/1 10.3.5.0/32 broadcast GigabitEthernet0/0/0/1 10.3.5.3/32 10.3.5.3/32 GigabitEthernet0/0/0/1 10.3.5.5/32 receive GigabitEthernet0/0/0/1 10.3.5.255/32 broadcast GigabitEthernet0/0/0/1 224.0.0.0/4 0.0.0.0/32 224.0.0.0/24 receive 255.255.255.255/32 broadcast