RP/0/RP0/CPU0:R7#show version Sun Sep 27 18:10:44.453 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 R7 uptime is 13 minutes XRd Control Plane Container RP/0/RP0/CPU0:R7#show interface description Sun Sep 27 18:10:44.646 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 R3 (10.0.37.0/24 p2p) RP/0/RP0/CPU0:R7#show route Sun Sep 27 18:10:44.918 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 [115/30] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 2.2.2.2/32 [115/20] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 3.3.3.3/32 [115/10] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 4.4.4.4/32 [115/20] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 5.5.5.5/32 [115/30] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 6.6.6.6/32 [115/20] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 L 7.7.7.7/32 is directly connected, 00:11:11, Loopback0 i L2 10.0.12.0/24 [115/30] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 10.0.23.0/24 [115/20] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 10.0.25.0/24 [115/30] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 10.0.34.0/24 [115/20] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 i L2 10.0.36.0/24 [115/20] via 10.0.37.3, 00:11:01, GigabitEthernet0/0/0/0 C 10.0.37.0/24 is directly connected, 00:11:07, GigabitEthernet0/0/0/0 L 10.0.37.7/32 is directly connected, 00:11:07, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R7#show interface Sun Sep 27 18:10:45.098 UTC Loopback0 is up, line protocol is up Interface state transitions: 1 Hardware is Loopback interface(s) Internet address is 7.7.7.7/32 MTU 1500 bytes, BW 0 Kbit reliability Unknown, txload Unknown, rxload Unknown Encapsulation Loopback, loopback not set, Last link flapped 00:11:12 Last input Unknown, output Unknown Last clearing of "show interface" counters Unknown Input/output data rate is disabled. Null0 is up, line protocol is up Interface state transitions: 1 Hardware is Null interface Internet address is Unknown MTU 1500 bytes, BW 0 Kbit reliability 255/255, txload Unknown, rxload Unknown Encapsulation Null, loopback not set, Last link flapped 00:12:58 Last input never, output never Last clearing of "show interface" counters never 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 0 multicast packets 0 packets output, 0 bytes, 0 total output drops Output 0 broadcast packets, 0 multicast packets MgmtEth0/RP0/CPU0/0 is up, line protocol is up Interface state transitions: 1 Hardware is Management Ethernet, address is 5254.002b.8613 (bia 5254.002b.8613) Description: management Internet address is 10.19.2.47/16 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Duplex unknown, 1000Mb/s, unknown, link type is autonegotiation output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:11:07 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters never 5 minute input rate 0 bits/sec, 1 packets/sec 5 minute output rate 1000 bits/sec, 1 packets/sec 606 packets input, 68558 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 1 broadcast packets, 15 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 783 packets output, 139441 bytes, 0 total output drops Output 1 broadcast packets, 0 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 1 carrier transitions GigabitEthernet0/0/0/0 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.00a4.12df (bia 5254.00a4.12df) Description: to R3 (10.0.37.0/24 p2p) Internet address is 10.0.37.7/24 MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 1000Mb/s, unknown, link type is force-up output flow control is off, input flow control is off Carrier delay (up) is 10 msec loopback not set, Last link flapped 00:11:07 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters 00:03:22 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 68 packets input, 39796 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 23 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 68 packets output, 39660 bytes, 0 total output drops Output 0 broadcast packets, 23 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions RP/0/RP0/CPU0:R7#show route summary Sun Sep 27 18:10:45.556 UTC Route Source Routes Backup Deleted Memory(bytes) local 2 0 0 400 connected 1 1 0 400 application fib_mgr 0 0 0 0 isis 1 11 1 0 2400 dagr 0 0 0 0 Total 14 2 0 3200 RP/0/RP0/CPU0:R7#show route static Sun Sep 27 18:10:45.714 UTC % No matching routes found RP/0/RP0/CPU0:R7#show cef Sun Sep 27 18:10:45.856 UTC Prefix Next Hop Interface ------------------- ------------------- ------------------ 0.0.0.0/0 drop default handler 0.0.0.0/32 broadcast 1.1.1.1/32 10.0.37.3/32 GigabitEthernet0/0/0/0 2.2.2.2/32 10.0.37.3/32 GigabitEthernet0/0/0/0 3.3.3.3/32 10.0.37.3/32 GigabitEthernet0/0/0/0 4.4.4.4/32 10.0.37.3/32 GigabitEthernet0/0/0/0 5.5.5.5/32 10.0.37.3/32 GigabitEthernet0/0/0/0 6.6.6.6/32 10.0.37.3/32 GigabitEthernet0/0/0/0 7.7.7.7/32 receive Loopback0 10.0.12.0/24 10.0.37.3/32 GigabitEthernet0/0/0/0 10.0.23.0/24 10.0.37.3/32 GigabitEthernet0/0/0/0 10.0.25.0/24 10.0.37.3/32 GigabitEthernet0/0/0/0 10.0.34.0/24 10.0.37.3/32 GigabitEthernet0/0/0/0 10.0.36.0/24 10.0.37.3/32 GigabitEthernet0/0/0/0 10.0.37.0/24 attached GigabitEthernet0/0/0/0 10.0.37.0/32 broadcast GigabitEthernet0/0/0/0 10.0.37.3/32 10.0.37.3/32 GigabitEthernet0/0/0/0 10.0.37.7/32 receive GigabitEthernet0/0/0/0 10.0.37.255/32 broadcast GigabitEthernet0/0/0/0 224.0.0.0/4 0.0.0.0/32 224.0.0.0/24 receive 255.255.255.255/32 broadcast RP/0/RP0/CPU0:R7#show arp Sun Sep 27 18:10:46.089 UTC ------------------------------------------------------------------------------- 0/RP0/CPU0 ------------------------------------------------------------------------------- Address Age Hardware Addr State Type Interface 10.0.37.3 00:11:08 5254.0080.a28d Dynamic ARPA GigabitEthernet0/0/0/0 10.0.37.7 - 5254.00a4.12df Interface ARPA GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R7#show configuration commit list Sun Sep 27 18:10:46.347 UTC The commit database is empty. RP/0/RP0/CPU0:R7#show isis Sun Sep 27 18:10:46.452 UTC IS-IS Router: 1 System Id: 0070.0700.7007 Hostname: R7 IS Levels: level-2-only Manual area address(es): 49.0003 Routing for area address(es): 49.0003 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4355 Respawn count: 1 Started: Sun 2026 Sep 27 17:59:19.650 UTC Null0 ready: Sun 2026 Sep 27 17:59:20.864 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1594831/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13810394/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 15/13800 Nets: 13/8560 Paths: 24/2304 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: Sun 2026 Sep 27 17:59:21.845 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:R7#show isis protocol Sun Sep 27 18:10:46.605 UTC IS-IS Router: 1 System Id: 0070.0700.7007 Hostname: R7 IS Levels: level-2-only Manual area address(es): 49.0003 Routing for area address(es): 49.0003 Multi-Instance Id: 0 Running on: RP/0/RP0/CPU0 Job Id: 1003 PID: 4355 Respawn count: 1 Started: Sun 2026 Sep 27 17:59:19.650 UTC Null0 ready: Sun 2026 Sep 27 17:59:20.864 UTC Protocol shutdown: No System memory state: Normal Last change: never Memory state: Normal Last change: never Last/Initial memory usage/limit: 1594831/2147483648 0% Memory state monitoring interval: 60 s Memory usage/limit: 13810394/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1256 Links: 4/4896 Prefixes: 15/13800 Nets: 13/8560 Paths: 24/2304 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: Sun 2026 Sep 27 17:59:21.845 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:R7#show isis hostname Sun Sep 27 18:10:46.727 UTC IS-IS 1 hostnames Level System ID Dynamic Hostname 2 0020.0200.2002 R2 2 * 0070.0700.7007 R7 2 0030.0300.3003 R3 RP/0/RP0/CPU0:R7#show isis interface Sun Sep 27 18:10:46.918 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: 7.7.7.7/32 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: 6 Last IIH Received: 18:10:44 (2.22 sec ago), 1497 octets Last IIH Sent: 18:10:41 (5.17 sec ago), 1497 octets Sending next P2P IIH in: 3 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: 5254.00a4.12df 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: 10.0.37.7 Global Prefix: 10.0.37.0/24 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: 17:59:38.551 Received CSNP complete: 17:59:38.858 LSP Pacing Start: 17:59:38.859 LSP fast flooding: Disabled PME Link Delays and Loss: - RP/0/RP0/CPU0:R7#show isis interface brief Sun Sep 27 18:10:47.059 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 - 1 1/1 1/1 Up 1497 - - RP/0/RP0/CPU0:R7#show isis neighbors Sun Sep 27 18:10:47.299 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R3 Gi0/0/0/0 *PtoP* Up 27 L2 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R7#show isis neighbors detail Sun Sep 27 18:10:47.500 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R3 Gi0/0/0/0 *PtoP* Up 27 L2 Capable Area Address(es): 49.0002 IPv4 Address(es): 10.0.37.3* Topologies: 'IPv4 Unicast' Uptime: 00:11:08 Total neighbor count: 1 RP/0/RP0/CPU0:R7#show isis adjacency Sun Sep 27 18:10:47.642 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R3 Gi0/0/0/0 *PtoP* Up 27 00:11:09 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R7#show isis adjacency detail Sun Sep 27 18:10:47.801 UTC IS-IS 1 Level-2 adjacencies: System Id Interface SNPA State Hold Changed NSF IPv4 IPv6 BFD BFD R3 Gi0/0/0/0 *PtoP* Up 26 00:11:09 Yes None None Area Address: 49.0002 Neighbor IPv4 Address: 10.0.37.3* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 Total adjacency count: 1 RP/0/RP0/CPU0:R7#show isis adjacency-log Sun Sep 27 18:10:47.940 UTC IS-IS 1 Level 2 Adjacency Log Capacity: 100, Size: 2 When System Interface State Details --- Sun Sep 27 2026 --- 17:59:38.141 R3 Gi0/0/0/0 d -> i 17:59:38.551 R3 Gi0/0/0/0 i -> u New adjacency IPv4 Unicast Up RP/0/RP0/CPU0:R7#show isis database Sun Sep 27 18:10:48.060 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x00000007 0xfa3e 531 /1180 0/0/0 R3.00-00 0x0000000a 0x054c 533 /1200 0/0/0 R7.00-00 * 0x00000003 0x1a39 530 /* 0/0/0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R7#show isis database detail Sun Sep 27 18:10:48.201 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x00000007 0xfa3e 531 /1180 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: 10 IP-Extended 1.1.1.1/32 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 5.5.5.5/32 Metric: 10 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.23.0/24 Metric: 10 IP-Extended 10.0.25.0/24 R3.00-00 0x0000000a 0x054c 533 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 10 IS-Extended R7.00 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 4.4.4.4/32 Metric: 10 IP-Extended 6.6.6.6/32 Metric: 10 IP-Extended 10.0.23.0/24 Metric: 10 IP-Extended 10.0.34.0/24 Metric: 10 IP-Extended 10.0.36.0/24 Metric: 10 IP-Extended 10.0.37.0/24 R7.00-00 * 0x00000003 0x1a39 530 /* 0/0/0 Area Address: 49.0003 LSP MTU: 1492 NLPID: 0xcc IP Address: 7.7.7.7 Hostname: R7 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 7.7.7.7/32 Metric: 10 IP-Extended 10.0.37.0/24 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R7#show isis database verbose Sun Sep 27 18:10:48.420 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x00000007 0xfa3e 531 /1180 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: 10 IP-Extended 1.1.1.1/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 0 IP-Extended 2.2.2.2/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 5.5.5.5/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.12.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.23.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.25.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R3.00-00 0x0000000a 0x054c 533 /1200 0/0/0 Area Address: 49.0002 LSP MTU: 1492 NLPID: 0xcc IP Address: 3.3.3.3 Hostname: R3 Metric: 10 IS-Extended R2.00 Metric: 10 IS-Extended R7.00 Metric: 0 IP-Extended 3.3.3.3/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 4.4.4.4/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 6.6.6.6/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.23.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.34.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.36.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Metric: 10 IP-Extended 10.0.37.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R7.00-00 * 0x00000003 0x1a39 530 /* 0/0/0 Area Address: 49.0003 LSP MTU: 1492 NLPID: 0xcc IP Address: 7.7.7.7 Hostname: R7 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 7.7.7.7/32 Prefix Attribute Flags: X:0 R:0 N:1 E:0 A:0 Metric: 10 IP-Extended 10.0.37.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R7#show isis topology Sun Sep 27 18:10:48.561 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R2 20 R3 Gi0/0/0/0 *PtoP* R3 10 R3 Gi0/0/0/0 *PtoP* R7 -- RP/0/RP0/CPU0:R7#show isis spf-log Sun Sep 27 18:10:48.807 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 6 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Sep 27 2026 --- 17:59:22.148 FSPF 0 0 2 CONFIG 17:59:31.866 FSPF 0 1 5 R7.00-00 CONFIG NEWNODE NEWLSP OVLSET AREAADDR 17:59:33.259 FSPF 0 1 3 R7.00-00 OVLCLR PREFIXGOOD IPADDR 17:59:38.653 FSPF 0 2 2 R7.00-00 LINKGOOD PREFIXGOOD 17:59:40.254 FSPF 0 3 12 R2.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 17:59:43.455 FSPF 2 3 1 R3.00-00 LINKGOOD RP/0/RP0/CPU0:R7#show isis spf-log detail Sun Sep 27 18:10:48.982 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 6 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Sep 27 2026 --- 17:59:22.148 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 17:59:31.866 FSPF 0 1 5 R7.00-00 CONFIG NEWNODE NEWLSP OVLSET AREAADDR Delay: 9718ms (since first trigger) 9718ms (since end of last calculation) 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 17:59:33.259 FSPF 0 1 3 R7.00-00 OVLCLR PREFIXGOOD IPADDR Delay: 51ms (since first trigger) 1393ms (since end of last calculation) Trigger Prefix: 7.7.7.7/32 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 17:59:38.653 FSPF 0 2 2 R7.00-00 LINKGOOD PREFIXGOOD Delay: 50ms (since first trigger) 5394ms (since end of last calculation) Trigger Link: R3.00 Trigger Prefix: 10.0.37.0/24 Trigger LSPs: 1 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 17:59:40.254 FSPF 0 3 12 R2.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 394ms (since first trigger) 1601ms (since end of last calculation) Trigger Link: R3.00 Trigger Prefix: 1.1.1.1/32 Trigger LSPs: 2 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 3200ms 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 17:59:43.455 FSPF 2 3 1 R3.00-00 LINKGOOD Delay: 1720ms (since first trigger) 3201ms (since end of last calculation) Trigger Link: R7.00 Trigger LSPs: 1 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms RIB Batches: 2 (0 critical, 0 high, 1 medium, 1 low) Timings (ms): +--Total--+ Real CPU SPT Calculation: 0 0 Route Update: 2 1 ----- ----- Full Calculation: 2 1 RP/0/RP0/CPU0:R7#show isis lsp-log Sun Sep 27 18:10:49.113 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 3 When Count Interface Triggers --- Sun Sep 27 2026 --- 17:59:22.240 1 CONFIG 17:59:33.208 2 Lo0 LSPDBOL IPUP 17:59:38.602 2 Gi0/0/0/0 NEWADJ MSD RP/0/RP0/CPU0:R7#show isis statistics Sun Sep 27 18:10:49.253 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 79 78 0 - CSNP: 1 1 - 0 PSNP: 3 1 0 0 LSP: 1 3 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 5 High Water Mark: 2 HWM Set: Sun 2026 Sep 27 17:59:39.859 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 83 High Water Mark: 2 Total Drops: 0 Level-2 LSPs sourced (new/refresh): 5/0 Route Calculations IPv4 Unicast Total: 6 Full SPF Calculations: 6 Periodic: 0 Partial Route Calc: 0 Next Hop Calculations: 0 RP/0/RP0/CPU0:R7#show route isis Sun Sep 27 18:10:49.429 UTC i L2 1.1.1.1/32 [115/30] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 2.2.2.2/32 [115/20] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 3.3.3.3/32 [115/10] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 4.4.4.4/32 [115/20] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 5.5.5.5/32 [115/30] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 6.6.6.6/32 [115/20] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 10.0.12.0/24 [115/30] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 10.0.23.0/24 [115/20] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 10.0.25.0/24 [115/30] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 10.0.34.0/24 [115/20] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 i L2 10.0.36.0/24 [115/20] via 10.0.37.3, 00:11:06, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R7#show isis route Sun Sep 27 18:10:49.655 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 [30/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 2.2.2.2/32 [20/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 3.3.3.3/32 [10/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 4.4.4.4/32 [20/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 5.5.5.5/32 [30/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 6.6.6.6/32 [20/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 C 7.7.7.7/32 is directly connected, Loopback0 L2 10.0.12.0/24 [30/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 10.0.23.0/24 [20/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 10.0.25.0/24 [30/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 10.0.34.0/24 [20/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 L2 10.0.36.0/24 [20/115] via 10.0.37.3, GigabitEthernet0/0/0/0, R3, Weight: 0 C 10.0.37.0/24 is directly connected, GigabitEthernet0/0/0/0 RP/0/RP0/CPU0:R7#show running-config router isis Sun Sep 27 18:10:49.844 UTC router isis 1 is-type level-2-only net 49.0003.0070.0700.7007.00 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 ! ! ! RP/0/RP0/CPU0:R7#show isis database level 2 Sun Sep 27 18:10:50.690 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 0x00000007 0xfa3e 529 /1180 0/0/0 R3.00-00 0x0000000a 0x054c 530 /1200 0/0/0 R7.00-00 * 0x00000003 0x1a39 527 /* 0/0/0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R7#show isis topology level 2 Sun Sep 27 18:10:50.813 UTC IS-IS 1 paths to IPv4 Unicast (Level-2) routers System Id Metric Next-Hop Interface SNPA R2 20 R3 Gi0/0/0/0 *PtoP* R3 10 R3 Gi0/0/0/0 *PtoP* R7 -- RP/0/RP0/CPU0:R7#show running-config router static Sun Sep 27 18:10:50.957 UTC router static vrf Mgmt address-family ipv4 unicast 0.0.0.0/0 10.19.0.1 ! ! !