RP/0/RP0/CPU0:R3#show version Thu Sep 10 00:39:12.482 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 26 minutes XRd Control Plane Container RP/0/RP0/CPU0:R3#show interface description Thu Sep 10 00:39:12.613 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 (10.2.3.0/24) Gi0/0/0/1 admin-down admin-down Gi0/0/0/2 admin-down admin-down RP/0/RP0/CPU0:R3#show route Thu Sep 10 00:39:12.799 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 3.3.3.3/32 is directly connected, 00:24:13, Loopback0 RP/0/RP0/CPU0:R3#show route isis Thu Sep 10 00:39:13.014 UTC % No matching routes found RP/0/RP0/CPU0:R3#show isis Thu Sep 10 00:39:13.206 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: 4243 Respawn count: 1 Started: Thu 2026 Sep 10 00:14:50.852 UTC Null0 ready: Thu 2026 Sep 10 00:14:52.154 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1595087/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13791518/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 5/2086 Links: 0/0 Prefixes: 1/344 Nets: 1/304 Paths: 0/0 LSP MTU: 300 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: Thu 2026 Sep 10 00:14:53.053 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 disabled (active in configuration) RP/0/RP0/CPU0:R3#show isis hostname Thu Sep 10 00:39:13.329 UTC IS-IS 1 hostnames Level System ID Dynamic Hostname 2 * 0030.0300.3003 R3 RP/0/RP0/CPU0:R3#show isis interface Thu Sep 10 00:39:13.464 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: 3.3.3.3/32 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: 5254.0032.e257 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: 10.2.3.3 Global Prefix: 10.2.3.0/24 PME Link Delays and Loss: - RP/0/RP0/CPU0:R3#show isis interface brief Thu Sep 10 00:39:13.610 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 No - - 0/1 0/1 Down 1497 - - RP/0/RP0/CPU0:R3#show isis neighbors Thu Sep 10 00:39:13.725 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF RP/0/RP0/CPU0:R3#show isis neighbors detail Thu Sep 10 00:39:13.866 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF RP/0/RP0/CPU0:R3#show isis database Thu Sep 10 00:39:14.001 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL 0010.0100.1001.00-00 0x0000001e 0x9798 0 (29)/* 0/0/0 0020.0200.2002.00-00 0x0000001c 0x37d8 0 (11)/* 0/0/0 0020.0200.2002.00-01 0x0000000c 0x51cd 0 (27)/* 0/0/0 0020.0200.2002.00-02 0x0000000c 0x4bd2 0 (5)/* 0/0/0 R3.00-00 * 0x00000020 0x6c6b 97 /* 0/0/0 Total Level-2 LSP count: 5 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis database detail Thu Sep 10 00:39:14.117 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL 0010.0100.1001.00-00 0x0000001e 0x9798 0 (29)/* 0/0/0 Purge Originator: 0030.0300.3003 R3 Hostname: R3 0020.0200.2002.00-00 0x0000001c 0x37d8 0 (11)/* 0/0/0 Purge Originator: 0030.0300.3003 R3 Hostname: R3 0020.0200.2002.00-01 0x0000000c 0x51cd 0 (27)/* 0/0/0 Purge Originator: 0030.0300.3003 R3 Hostname: R3 0020.0200.2002.00-02 0x0000000c 0x4bd2 0 (5)/* 0/0/0 Purge Originator: 0030.0300.3003 R3 Hostname: R3 R3.00-00 * 0x00000020 0x6c6b 97 /* 0/0/0 Area Address: 49.0001 LSP MTU: 300 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 0 IP 3.3.3.3/32 Total Level-2 LSP count: 5 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R3#show isis topology Thu Sep 10 00:39:14.273 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA 0010.0100.1001 ** 0020.0200.2002 ** R3 -- RP/0/RP0/CPU0:R3#show isis adjacency Thu Sep 10 00:39:14.416 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD RP/0/RP0/CPU0:R3#show isis adjacency-log Thu Sep 10 00:39:14.531 UTC IS-IS 1 Level 2 Adjacency Log Capacity: 100, Size: 8 When System Interface State Details --- Thu Sep 10 2026 --- 00:15:03.251 0020.0200.2002 Gi0/0/0/0 d -> i 00:15:12.950 0020.0200.2002 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 00:17:39.868 0020.0200.2002 Gi0/0/0/0 u -> d Holdtime expired IPv4 Unicast Down 00:17:40.658 0020.0200.2002 Gi0/0/0/0 d -> i 00:17:57.972 0020.0200.2002 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up 00:31:14.175 0020.0200.2002 Gi0/0/0/0 u -> i 3-way state down IPv4 Unicast Down 00:31:14.636 0020.0200.2002 Gi0/0/0/0 i -> u Restarted IPv4 Unicast Up 00:36:57.793 0020.0200.2002 Gi0/0/0/0 u -> d Interface state down IPv4 Unicast Down RP/0/RP0/CPU0:R3#show isis spf-log Thu Sep 10 00:39:14.684 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 19 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Thu Sep 10 2026 --- 00:15:04.069 FSPF 0 1 7 R3.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 00:15:06.135 FSPF 0 1 1 R3.00-00 OVLCLR 00:15:13.051 FSPF 0 2 1 R3.00-00 LINKGOOD 00:15:30.831 FSPF 0 3 11 0010.0100.1001.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 00:15:50.410 FSPF 3 3 1 0020.0200.2002.00-00 LINKGOOD 00:17:39.969 FSPF 2 3 2 R3.00-00 DELADJ LINKBAD 00:17:58.101 FSPF 49 3 1 R3.00-00 LINKGOOD 00:18:08.224 FSPF 2 3 1 0020.0200.2002.00-00 LINKGOOD 00:27:44.552 FSPF 3 3 3 0020.0200.2002.00-00 NEWLSP PREFIXGOOD 00:27:44.756 FSPF 2 3 3 0020.0200.2002.00-01 NEWLSP PREFIXGOOD 00:31:14.287 FSPF 3 3 2 R3.00-00 DELADJ LINKBAD 00:31:15.999 FSPF 0 3 7 0010.0100.1001.00-00 OVLSET LINKGOOD LINKBAD PREFIXGOOD PREFIXBAD 00:31:17.795 FSPF 4 3 2 R3.00-00 LINKGOOD 00:31:18.963 FSPF 1 3 1 0020.0200.2002.00-00 OVLCLR 00:36:57.946 FSPF 2 3 3 R3.00-00 DELADJ LINKBAD PREFIXBAD 00:38:19.275 FSPF 0 3 3 0020.0200.2002.00-02 LSPEXPIRY LINKBAD PREFIXBAD 00:38:25.512 FSPF 0 3 5 0020.0200.2002.00-00 DELNODE LSPEXPIRY PREFIXBAD AREAADDR IPADDR 00:38:41.864 FSPF 0 3 2 0020.0200.2002.00-01 LSPEXPIRY PREFIXBAD 00:38:43.846 FSPF 0 3 6 0010.0100.1001.00-00 DELNODE LSPEXPIRY LINKBAD PREFIXBAD AREAADDR IPADDR RP/0/RP0/CPU0:R3#show isis lsp-log Thu Sep 10 00:39:14.871 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 13 When Count Interface Triggers --- Thu Sep 10 2026 --- 00:14:53.355 1 CONFIG 00:14:55.367 1 CONFIG 00:14:59.928 1 Lo0 IPUP 00:15:03.048 1 Gi0/0/0/0 IPUP 00:15:06.084 1 LSPDBOL 00:15:13.000 1 Gi0/0/0/0 NEWADJ 00:17:39.918 2 Gi0/0/0/0 DELADJ BESTADJ 00:17:58.022 1 Gi0/0/0/0 NEWADJ 00:20:37.158 1 CONFIG 00:27:11.511 1 CONFIG 00:31:14.236 1 Gi0/0/0/0 SABIT 00:31:17.744 1 Gi0/0/0/0 SABIT 00:36:57.847 2 Gi0/0/0/0 DELADJ BESTADJ RP/0/RP0/CPU0:R3#show isis statistics Thu Sep 10 00:39:15.030 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 154 134 0 - CSNP: 3 2 - 0 PSNP: 71 23 0 0 LSP: 36 83 0 0 LSP Retransmissions: 10 LSP Checksum Errors: 0 Initiated LSP Purges: 4 Initiated Other LSP Purges: 4 Last Other Purged LSP: 0010.0100.1001.00-00 (L2) Last Occurrence: Thu 2026 Sep 10 00:38:43.795 UTC IS-IS Update Queue: 0/3500 Total Traffic: 108 High Water Mark: 4 HWM Set: Thu 2026 Sep 10 00:31:15.947 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 242 High Water Mark: 4 Total Drops: 0 Level-2 LSPs sourced (new/refresh): 15/19 Route Calculations IPv4 Unicast Total: 19 Full SPF Calculations: 19 Periodic: 0 Partial Route Calc: 0 Next Hop Calculations: 0 RP/0/RP0/CPU0:R3#show cef Thu Sep 10 00:39:15.155 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 drop default handler 0.0.0.0/32 broadcast 3.3.3.3/32 receive Loopback0 224.0.0.0/4 0.0.0.0/32 224.0.0.0/24 receive 255.255.255.255/32 broadcast