RP/0/RP0/CPU0:R2#show version Tue Sep 8 05:46:35.410 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 R2 uptime is 21 minutes XRd Control Plane Container RP/0/RP0/CPU0:R2#show interface description Tue Sep 8 05:46:35.578 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 R1 (10.1.2.0/24) Gi0/0/0/1 up up to R5 (10.2.5.0/24) Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R2#show route Tue Sep 8 05:46:35.737 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 2.2.2.2/32 is directly connected, 00:18:49, Loopback0 i L2 3.3.3.3/32 [115/20] via 10.2.5.5, 00:18:00, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/30] via 10.2.5.5, 00:17:59, GigabitEthernet0/0/0/1 i L2 5.5.5.5/32 [115/10] via 10.2.5.5, 00:18:12, GigabitEthernet0/0/0/1 C 10.1.2.0/24 is directly connected, 00:18:45, GigabitEthernet0/0/0/0 L 10.1.2.2/32 is directly connected, 00:18:45, GigabitEthernet0/0/0/0 C 10.2.5.0/24 is directly connected, 00:18:45, GigabitEthernet0/0/0/1 L 10.2.5.2/32 is directly connected, 00:18:45, GigabitEthernet0/0/0/1 i L2 10.3.4.0/24 [115/30] via 10.2.5.5, 00:18:00, GigabitEthernet0/0/0/1 i L2 10.3.5.0/24 [115/20] via 10.2.5.5, 00:18:12, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R2#show route isis Tue Sep 8 05:46:35.899 UTC i L2 3.3.3.3/32 [115/20] via 10.2.5.5, 00:18:00, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/30] via 10.2.5.5, 00:17:59, GigabitEthernet0/0/0/1 i L2 5.5.5.5/32 [115/10] via 10.2.5.5, 00:18:13, GigabitEthernet0/0/0/1 i L2 10.3.4.0/24 [115/30] via 10.2.5.5, 00:18:00, GigabitEthernet0/0/0/1 i L2 10.3.5.0/24 [115/20] via 10.2.5.5, 00:18:13, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R2#show isis Tue Sep 8 05:46:36.081 UTC IS-IS Router: 1 System Id: 0020.0200.2002 Hostname: R2 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: 4355 Respawn count: 1 Started: Tue 2026 Sep 08 05:27:35.879 UTC Null0 ready: Tue 2026 Sep 08 05:27:37.271 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1597129/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13825048/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1257 Links: 4/4896 Prefixes: 10/3440 Nets: 8/4736 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: Tue 2026 Sep 08 05:27:38.166 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:R2#show isis hostname Tue Sep 8 05:46:36.223 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:R2#show isis interface Tue Sep 8 05:46:36.345 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: 2.2.2.2/32 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: 4 Last IIH Received: 05:46:31 (4.71 sec ago), 1497 octets Last PDU Rejected: 05:46:31 (4.71 sec ago), 1497 octets, P2P IIH, Level or Area Addr mismatch Last IIH Sent: 05:46:34 (1.89 sec ago), 1497 octets Sending next P2P IIH in: 6 s IPv4 BFD: Disabled IPv6 BFD: Disabled Level-2 Adjacency Count: 0 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: 5254.0080.ce49 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: 10.1.2.2 Global Prefix: 10.1.2.0/24 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: 3 Last IIH Received: 05:46:29 (7.26 sec ago), 1497 octets Last IIH Sent: 05:46:32 (3.53 sec ago), 1497 octets Sending next P2P IIH in: 5 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: 5254.00f3.a479 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: 10.2.5.2 Global Prefix: 10.2.5.0/24 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: 05:27:59.856 Received CSNP complete: 05:28:00.246 LSP Pacing Start: 05:28:00.246 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R2#show isis interface brief Tue Sep 8 05:46:36.431 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:R2#show isis neighbors Tue Sep 8 05:46:36.549 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R5 Gi0/0/0/1 *PtoP* Up 22 L2 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R2#show isis neighbors detail Tue Sep 8 05:46:36.711 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R5 Gi0/0/0/1 *PtoP* Up 22 L2 Capable Area Address(es): 49.0005 IPv4 Address(es): 10.2.5.5* Topologies: 'IPv4 Unicast' Uptime: 00:18:36 Total neighbor count: 1 RP/0/RP0/CPU0:R2#show isis database Tue Sep 8 05:46:36.843 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 * 0x0000000a 0xd109 1078 /* 0/0/0 R3.00-00 0x00000009 0x7d85 906 /1200 0/0/0 R5.00-00 0x00000007 0x8636 932 /1200 0/0/0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R2#show isis database detail Tue Sep 8 05:46:36.961 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 * 0x0000000a 0xd109 1078 /* 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 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 906 /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 0x00000007 0x8636 932 /1200 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 R2.00 Metric: 10 IS R3.00 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R2#show isis topology Tue Sep 8 05:46:37.109 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R2 -- R3 20 R5 Gi0/0/0/1 *PtoP* R5 10 R5 Gi0/0/0/1 *PtoP* RP/0/RP0/CPU0:R2#show isis adjacency Tue Sep 8 05:46:37.226 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R5 Gi0/0/0/1 *PtoP* Up 29 00:18:37 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R2#show isis adjacency detail Tue Sep 8 05:46:37.392 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R5 Gi0/0/0/1 *PtoP* Up 29 00:18:37 Yes None None Area Address: 49.0005 Neighbor IPv4 Address: 10.2.5.5* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 Total adjacency count: 1 RP/0/RP0/CPU0:R2#show isis spf-log Tue Sep 8 05:46:37.528 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 14 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Tue Sep 8 2026 --- 05:27:48.270 FSPF 0 1 7 R2.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 05:27:50.415 FSPF 0 1 1 R2.00-00 OVLCLR 05:27:52.628 PRC 0 1 1 R2.00-00 PREFIXGOOD 05:28:01.218 FSPF 0 2 5 R5.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 05:28:03.670 FSPF 0 2 1 R2.00-00 LINKGOOD 05:28:16.519 FSPF 0 3 5 R3.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 05:28:17.999 FSPF 0 3 1 R3.00-00 LINKGOOD 05:28:22.898 FSPF 2 3 1 R5.00-00 LINKGOOD 05:28:24.209 PRC 0 3 1 R2.00-00 PREFIXGOOD 05:28:35.346 FSPF 2 3 1 R5.00-00 LINKGOOD 05:28:36.768 PRC 2 3 1 R3.00-00 PREFIXGOOD 05:43:35.399 FSPF 0 3 1 PERIODIC 05:44:34.064 FSPF 0 3 2 CONFIG 05:44:35.574 PRC 0 3 1 R2.00-00 PREFIXBAD RP/0/RP0/CPU0:R2#show isis lsp-log Tue Sep 8 05:46:37.659 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 8 When Count Interface Triggers --- Tue Sep 8 2026 --- 05:27:38.389 1 CONFIG 05:27:40.469 1 CONFIG 05:27:46.315 1 Lo0 IPUP 05:27:50.285 1 LSPDBOL 05:27:52.577 1 Gi0/0/0/0 MSD 05:28:03.619 1 Gi0/0/0/1 SABIT 05:28:24.158 1 IPIA 05:44:35.523 1 CONFIG RP/0/RP0/CPU0:R2#show isis statistics Tue Sep 8 05:46:37.833 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 262 259 0 - CSNP: 2 2 - 0 PSNP: 12 9 0 0 LSP: 9 12 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 23 High Water Mark: 1 HWM Set: Tue 2026 Sep 08 05:28:00.246 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 283 High Water Mark: 2 Total Drops: 0 Level-2 LSPs sourced (new/refresh): 10/1 Route Calculations IPv4 Unicast Total: 14 Full SPF Calculations: 10 Periodic: 1 Partial Route Calc: 4 Next Hop Calculations: 0 RP/0/RP0/CPU0:R2#show cef Tue Sep 8 05:46:37.953 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 drop default handler 0.0.0.0/32 broadcast 2.2.2.2/32 receive Loopback0 3.3.3.3/32 10.2.5.5/32 GigabitEthernet0/0/0/1 4.4.4.4/32 10.2.5.5/32 GigabitEthernet0/0/0/1 5.5.5.5/32 10.2.5.5/32 GigabitEthernet0/0/0/1 10.1.2.0/24 attached GigabitEthernet0/0/0/0 10.1.2.0/32 broadcast GigabitEthernet0/0/0/0 10.1.2.1/32 10.1.2.1/32 GigabitEthernet0/0/0/0 10.1.2.2/32 receive GigabitEthernet0/0/0/0 10.1.2.255/32 broadcast GigabitEthernet0/0/0/0 10.2.5.0/24 attached GigabitEthernet0/0/0/1 10.2.5.0/32 broadcast GigabitEthernet0/0/0/1 10.2.5.2/32 receive GigabitEthernet0/0/0/1 10.2.5.5/32 10.2.5.5/32 GigabitEthernet0/0/0/1 10.2.5.255/32 broadcast GigabitEthernet0/0/0/1 10.3.4.0/24 10.2.5.5/32 GigabitEthernet0/0/0/1 10.3.5.0/24 10.2.5.5/32 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