RP/0/RP0/CPU0:R2#show version Sun Oct 4 15:34:58.716 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 44 minutes XRd Control Plane Container RP/0/RP0/CPU0:R2#show interface description Sun Oct 4 15:34:58.892 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 (10.0.12.0/24 p2p) Gi0/0/0/1 up up to R5 (10.0.25.0/24 p2p) Gi0/0/0/2 up up to R6 (10.0.26.0/24 p2p) RP/0/RP0/CPU0:R2#show route Sun Oct 4 15:34:59.086 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, 00:41:54, Loopback0 i L2 3.3.3.3/32 [115/20] via 10.0.25.5, 00:41:27, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/30] via 10.0.25.5, 00:41:18, GigabitEthernet0/0/0/1 i L2 5.5.5.5/32 [115/10] via 10.0.25.5, 00:41:37, GigabitEthernet0/0/0/1 i L2 7.7.7.7/32 [115/30] via 10.0.25.5, 00:41:18, GigabitEthernet0/0/0/1 C 10.0.12.0/24 is directly connected, 00:41:48, GigabitEthernet0/0/0/0 L 10.0.12.2/32 is directly connected, 00:41:48, GigabitEthernet0/0/0/0 C 10.0.25.0/24 is directly connected, 00:41:48, GigabitEthernet0/0/0/1 L 10.0.25.2/32 is directly connected, 00:41:48, GigabitEthernet0/0/0/1 C 10.0.26.0/24 is directly connected, 00:41:47, GigabitEthernet0/0/0/2 L 10.0.26.2/32 is directly connected, 00:41:47, GigabitEthernet0/0/0/2 i L2 10.0.34.0/24 [115/30] via 10.0.25.5, 00:41:27, GigabitEthernet0/0/0/1 i L2 10.0.35.0/24 [115/20] via 10.0.25.5, 00:41:37, GigabitEthernet0/0/0/1 i L2 10.0.37.0/24 [115/30] via 10.0.25.5, 00:41:27, GigabitEthernet0/0/0/1 i L2 172.16.0.100/32 [115/30] via 10.0.25.5, 00:04:50, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R2#show interface Sun Oct 4 15:34:59.282 UTC Loopback0 is up, line protocol is up Interface state transitions: 1 Hardware is Loopback interface(s) Internet address is 2.2.2.2/32 MTU 1500 bytes, BW 0 Kbit reliability Unknown, txload Unknown, rxload Unknown Encapsulation Loopback, loopback not set, Last link flapped 00:41:54 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 00:43:39 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 5254.0018.a4da (bia 5254.0018.a4da) Description: management Internet address is 10.19.2.62/16 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 00:41:48 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 1000 bits/sec, 1 packets/sec 5 minute output rate 2000 bits/sec, 2 packets/sec 3905 packets input, 426062 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 9 broadcast packets, 30 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 5402 packets output, 1189824 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 5254.0099.58a9 (bia 5254.0099.58a9) Description: to R1 (10.0.12.0/24 p2p) Internet address is 10.0.12.2/24 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 00:41:48 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters 00:03:42 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 26 packets input, 39364 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 26 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 25 packets output, 37850 bytes, 0 total output drops Output 0 broadcast packets, 25 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/1 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.004a.9820 (bia 5254.004a.9820) Description: to R5 (10.0.25.0/24 p2p) Internet address is 10.0.25.2/24 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 00:41:48 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters 00:03:41 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 77 packets input, 43810 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 27 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 79 packets output, 43018 bytes, 0 total output drops Output 0 broadcast packets, 27 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions GigabitEthernet0/0/0/2 is up, line protocol is up Interface state transitions: 1 Hardware is GigabitEthernet, address is 5254.000f.9e67 (bia 5254.000f.9e67) Description: to R6 (10.0.26.0/24 p2p) Internet address is 10.0.26.2/24 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 00:41:48 ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:00 Last clearing of "show interface" counters 00:03:41 5 minute input rate 1000 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 0 packets/sec 26 packets input, 37920 bytes, 0 total input drops 0 drops for unrecognized upper-level protocol Received 0 broadcast packets, 26 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 25 packets output, 37850 bytes, 0 total output drops Output 0 broadcast packets, 25 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:R2#show route summary Sun Oct 4 15:34:59.695 UTC Route Source Routes Backup Deleted Memory(bytes) local 4 0 0 800 connected 3 1 0 800 application fib_mgr 0 0 0 0 isis 1 8 1 0 1800 dagr 0 0 0 0 Total 15 2 0 3400 RP/0/RP0/CPU0:R2#show route static Sun Oct 4 15:34:59.903 UTC % No matching routes found RP/0/RP0/CPU0:R2#show cef Sun Oct 4 15:35:00.082 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 10.0.25.5/32 GigabitEthernet0/0/0/1 4.4.4.4/32 10.0.25.5/32 GigabitEthernet0/0/0/1 5.5.5.5/32 10.0.25.5/32 GigabitEthernet0/0/0/1 7.7.7.7/32 10.0.25.5/32 GigabitEthernet0/0/0/1 10.0.12.0/24 attached GigabitEthernet0/0/0/0 10.0.12.0/32 broadcast GigabitEthernet0/0/0/0 10.0.12.1/32 10.0.12.1/32 GigabitEthernet0/0/0/0 10.0.12.2/32 receive GigabitEthernet0/0/0/0 10.0.12.255/32 broadcast GigabitEthernet0/0/0/0 10.0.25.0/24 attached GigabitEthernet0/0/0/1 10.0.25.0/32 broadcast GigabitEthernet0/0/0/1 10.0.25.2/32 receive GigabitEthernet0/0/0/1 10.0.25.5/32 10.0.25.5/32 GigabitEthernet0/0/0/1 10.0.25.255/32 broadcast GigabitEthernet0/0/0/1 10.0.26.0/24 attached GigabitEthernet0/0/0/2 10.0.26.0/32 broadcast GigabitEthernet0/0/0/2 10.0.26.2/32 receive GigabitEthernet0/0/0/2 10.0.26.6/32 10.0.26.6/32 GigabitEthernet0/0/0/2 10.0.26.255/32 broadcast GigabitEthernet0/0/0/2 10.0.34.0/24 10.0.25.5/32 GigabitEthernet0/0/0/1 10.0.35.0/24 10.0.25.5/32 GigabitEthernet0/0/0/1 10.0.37.0/24 10.0.25.5/32 GigabitEthernet0/0/0/1 172.16.0.100/32 10.0.25.5/32 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 RP/0/RP0/CPU0:R2#show arp Sun Oct 4 15:35:00.290 UTC ------------------------------------------------------------------------------- 0/RP0/CPU0 ------------------------------------------------------------------------------- Address Age Hardware Addr State Type Interface 10.0.12.1 00:41:49 5254.0060.ab0a Dynamic ARPA GigabitEthernet0/0/0/0 10.0.12.2 - 5254.0099.58a9 Interface ARPA GigabitEthernet0/0/0/0 10.0.25.2 - 5254.004a.9820 Interface ARPA GigabitEthernet0/0/0/1 10.0.25.5 00:41:43 5254.0036.d35b Dynamic ARPA GigabitEthernet0/0/0/1 10.0.26.2 - 5254.000f.9e67 Interface ARPA GigabitEthernet0/0/0/2 10.0.26.6 00:41:49 5254.009e.e480 Dynamic ARPA GigabitEthernet0/0/0/2 RP/0/RP0/CPU0:R2#show configuration commit list Sun Oct 4 15:35:00.445 UTC SNo. Label/ID User Line Client Time Stamp ~~~~ ~~~~~~~~ ~~~~ ~~~~ ~~~~~~ ~~~~~~~~~~ 1 1000000003 cisco vty0:node0_RP0_CPU CLI Sun Oct 4 15:30:08 2026 2 1000000002 cisco vty0:node0_RP0_CPU CLI Sun Oct 4 15:24:30 2026 3 1000000001 cisco vty0:node0_RP0_CPU CLI Sun Oct 4 15:13:02 2026 RP/0/RP0/CPU0:R2#show isis Sun Oct 4 15:35:00.631 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: 4403 Respawn count: 1 Started: Sun 2026 Oct 04 14:52:54.401 UTC Null0 ready: Sun 2026 Oct 04 14:52:55.888 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: 13851843/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1258 Links: 4/4896 Prefixes: 14/12880 Nets: 12/7104 Paths: 18/1728 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 Oct 04 14:52:56.889 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) GigabitEthernet0/0/0/1 is running actively (active in configuration) GigabitEthernet0/0/0/2 is running actively (active in configuration) RP/0/RP0/CPU0:R2#show isis protocol Sun Oct 4 15:35:00.764 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: 4403 Respawn count: 1 Started: Sun 2026 Oct 04 14:52:54.401 UTC Null0 ready: Sun 2026 Oct 04 14:52:55.888 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: 13851843/2147483648 0% Memory usage specifics (count/bytes): Nodes: 3/1224 LSPs: 3/1258 Links: 4/4896 Prefixes: 14/12880 Nets: 12/7104 Paths: 18/1728 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 Oct 04 14:52:56.889 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) GigabitEthernet0/0/0/1 is running actively (active in configuration) GigabitEthernet0/0/0/2 is running actively (active in configuration) RP/0/RP0/CPU0:R2#show isis hostname Sun Oct 4 15:35:00.892 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 Sun Oct 4 15:35:01.191 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: 15:34:55 (5.85 sec ago), 1497 octets Last PDU Rejected: 15:34:55 (5.85 sec ago), 1497 octets, P2P IIH, Level or Area Addr mismatch Last IIH Sent: 15:34:55 (5.89 sec ago), 1497 octets Sending next P2P IIH in: 3 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: 5254.0099.58a9 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: 10.0.12.2 Global Prefix: 10.0.12.0/24 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: 2 Last IIH Received: 15:34:59 (1.38 sec ago), 1497 octets Last IIH Sent: 15:34:53 (7.36 sec ago), 1497 octets Sending next P2P IIH in: 2 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: 5254.004a.9820 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: 10.0.25.2 Global Prefix: 10.0.25.0/24 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: 14:53:17.148 Received CSNP complete: 14:53:17.456 LSP Pacing Start: 14:53:17.457 LSP fast flooding: Disabled PME Link Delays and Loss: - GigabitEthernet0/0/0/2 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: 15:34:58 (2.92 sec ago), 1497 octets Last PDU Rejected: 15:34:58 (2.92 sec ago), 1497 octets, P2P IIH, Level or Area Addr mismatch Last IIH Sent: 15:34:54 (7.07 sec ago), 1497 octets Sending next P2P IIH in: 1 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: 5254.000f.9e67 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: 10.0.26.2 Global Prefix: 10.0.26.0/24 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: - RP/0/RP0/CPU0:R2#show isis interface brief Sun Oct 4 15:35:01.514 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 - - Gi0/0/0/2 Yes - 0 1/1 1/1 Up 1497 - - RP/0/RP0/CPU0:R2#show isis neighbors Sun Oct 4 15:35:01.715 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R5 Gi0/0/0/1 *PtoP* Up 28 L2 Capable Total neighbor count: 1 RP/0/RP0/CPU0:R2#show isis neighbors detail Sun Oct 4 15:35:01.945 UTC IS-IS 1 neighbors: System Id Interface SNPA State Holdtime Type IETF-NSF R5 Gi0/0/0/1 *PtoP* Up 27 L2 Capable Area Address(es): 49.0005 IPv4 Address(es): 10.0.25.5* Topologies: 'IPv4 Unicast' Uptime: 00:41:44 Total neighbor count: 1 RP/0/RP0/CPU0:R2#show isis adjacency Sun Oct 4 15:35:02.084 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 27 00:41:44 Yes None None Total adjacency count: 1 RP/0/RP0/CPU0:R2#show isis adjacency detail Sun Oct 4 15:35:02.243 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 27 00:41:45 Yes None None Area Address: 49.0005 Neighbor IPv4 Address: 10.0.25.5* Topology: IPv4 Unicast BFD Status: Neighbor Useable (BFD Not Configured) Adjacency Flaps: 0 Total adjacency count: 1 RP/0/RP0/CPU0:R2#show isis adjacency-log Sun Oct 4 15:35:02.394 UTC IS-IS 1 Level 2 Adjacency Log Capacity: 100, Size: 2 When System Interface State Details --- Sun Oct 4 2026 --- 14:53:16.452 R5 Gi0/0/0/1 d -> i 14:53:17.149 R5 Gi0/0/0/1 i -> u New adjacency IPv4 Unicast Up RP/0/RP0/CPU0:R2#show isis database Sun Oct 4 15:35:02.680 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 * 0x0000000f 0x2c95 907 /* 0/0/0 R3.00-00 0x0000000b 0x572a 1193 /1200 0/0/0 R5.00-00 0x00000009 0x1799 1029 /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 Sun Oct 4 15:35:02.792 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 * 0x0000000f 0x2c95 907 /* 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R5.00 Metric: 0 IP-Extended 2.2.2.2/32 Metric: 10 IP-Extended 10.0.12.0/24 Metric: 10 IP-Extended 10.0.25.0/24 Metric: 10 IP-Extended 10.0.26.0/24 R3.00-00 0x0000000b 0x572a 1193 /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 R5.00 Metric: 0 IP-Extended 3.3.3.3/32 Metric: 10 IP-Extended 4.4.4.4/32 Metric: 10 IP-Extended 7.7.7.7/32 Metric: 10 IP-Extended 10.0.34.0/24 Metric: 10 IP-Extended 10.0.35.0/24 Metric: 10 IP-Extended 10.0.37.0/24 Metric: 10 IP-Extended 172.16.0.100/32 R5.00-00 0x00000009 0x1799 1028 /1200 0/0/0 Area Address: 49.0005 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: R5 Metric: 10 IS-Extended R2.00 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 5.5.5.5/32 Metric: 10 IP-Extended 10.0.25.0/24 Metric: 10 IP-Extended 10.0.35.0/24 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R2#show isis database verbose Sun Oct 4 15:35:02.951 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 * 0x0000000f 0x2c95 907 /* 0/0/0 Area Address: 49.0001 LSP MTU: 1492 NLPID: 0xcc IP Address: 2.2.2.2 Hostname: R2 Metric: 10 IS-Extended R5.00 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 10.0.12.0/24 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 Metric: 10 IP-Extended 10.0.26.0/24 Prefix Attribute Flags: X:0 R:0 N:0 E:0 A:0 R3.00-00 0x0000000b 0x572a 1193 /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 R5.00 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 7.7.7.7/32 Prefix Attribute Flags: X:0 R:1 N:1 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 10.0.35.0/24 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 Metric: 10 IP-Extended 172.16.0.100/32 Prefix Attribute Flags: X:0 R:1 N:1 E:0 A:0 R5.00-00 0x00000009 0x1799 1028 /1200 0/0/0 Area Address: 49.0005 LSP MTU: 1492 NLPID: 0xcc IP Address: 5.5.5.5 Hostname: R5 Metric: 10 IS-Extended R2.00 Metric: 10 IS-Extended R3.00 Metric: 0 IP-Extended 5.5.5.5/32 Prefix Attribute Flags: X:0 R:0 N:1 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 Metric: 10 IP-Extended 10.0.35.0/24 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:R2#show isis topology Sun Oct 4 15:35:03.065 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 spf-log Sun Oct 4 15:35:03.223 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 21 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 14:52:57.200 FSPF 0 0 2 CONFIG 14:53:07.083 FSPF 0 1 7 R2.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR 14:53:09.228 FSPF 0 1 1 R2.00-00 OVLCLR 14:53:11.428 PRC 0 1 1 R2.00-00 PREFIXGOOD 14:53:18.420 FSPF 0 2 5 R5.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR 14:53:21.621 FSPF 2 2 2 R5.00-00 LINKGOOD 14:53:26.624 FSPF 0 3 7 R2.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR 14:53:31.973 FSPF 6 3 1 R5.00-00 LINKGOOD 14:53:40.217 PRC 2 3 1 R3.00-00 PREFIXGOOD 15:07:10.361 PRC 0 3 1 R2.00-00 PREFIXGOOD 15:07:17.167 PRC 0 3 1 R3.00-00 PREFIXGOOD 15:08:32.030 FSPF 0 3 1 PERIODIC 15:13:03.179 PRC 0 3 1 R2.00-00 PREFIXBAD 15:13:03.380 PRC 0 3 1 R2.00-00 PREFIXBAD 15:18:43.748 PRC 0 3 1 R2.00-00 PREFIXBAD 15:23:32.081 FSPF 0 3 1 PERIODIC 15:24:26.057 PRC 0 3 1 R2.00-00 PREFIXGOOD 15:24:31.204 PRC 0 3 1 R2.00-00 PREFIXGOOD 15:24:31.604 PRC 0 3 1 R2.00-00 PREFIXGOOD 15:30:08.940 FSPF 36 3 2 CONFIG 15:30:10.452 PRC 0 3 1 R2.00-00 PREFIXBAD RP/0/RP0/CPU0:R2#show isis spf-log detail Sun Oct 4 15:35:03.416 UTC IS-IS 1 Level 2 IPv4 Unicast Route Calculation Log Capacity: 210, Size: 21 Time Total Trig. Timestamp Type (ms) Nodes Count First Trigger LSP Triggers ------------ ----- ----- ----- ----- -------------------- ---------------------- --- Sun Oct 4 2026 --- 14:52:57.200 FSPF 0 0 2 CONFIG Delay: 0ms (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 14:53:07.083 FSPF 0 1 7 R2.00-00 CONFIG NEWNODE NEWLSP OVLSET PREFIXGOOD AREAADDR IPADDR Delay: 9882ms (since first trigger) 9883ms (since end of last calculation) Trigger Prefix: 2.2.2.2/32 Trigger LSPs: 2 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 14:53:09.228 FSPF 0 1 1 R2.00-00 OVLCLR Delay: 50ms (since first trigger) 2145ms (since end of last calculation) 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 14:53:11.428 PRC 0 1 1 R2.00-00 PREFIXGOOD Delay: 50ms (since first trigger) 2200ms (since end of last calculation) Trigger Prefix: 10.0.12.0/24 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 14:53:18.420 FSPF 0 2 5 R5.00-00 NEWNODE NEWLSP PREFIXGOOD AREAADDR IPADDR Delay: 50ms (since first trigger) 6992ms (since end of last calculation) Trigger Prefix: 5.5.5.5/32 Trigger LSPs: 1 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 14:53:21.621 FSPF 2 2 2 R5.00-00 LINKGOOD Delay: 1286ms (since first trigger) 3201ms (since end of last calculation) Trigger Link: R2.00 Trigger LSPs: 2 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 0 ----- ----- Full Calculation: 2 0 14:53:26.624 FSPF 0 3 7 R2.00-00 NEWNODE NEWLSP LINKGOOD PREFIXGOOD AREAADDR IPADDR Delay: 2596ms (since first trigger) 5001ms (since end of last calculation) Trigger Prefix: 1.1.1.1/32 Trigger LSPs: 2 New LSP Arrivals: 0 SR uloop: No Next Wait Interval: 5000ms 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 14:53:31.973 FSPF 6 3 1 R5.00-00 LINKGOOD Delay: 51ms (since first trigger) 5349ms (since end of last calculation) Trigger Link: R3.00 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: 6 0 ----- ----- Full Calculation: 6 0 14:53:40.217 PRC 2 3 1 R3.00-00 PREFIXGOOD Delay: 51ms (since first trigger) 8238ms (since end of last calculation) Trigger Prefix: 4.4.4.4/32 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 0 ----- ----- Full Calculation: 2 0 15:07:10.361 PRC 0 3 1 R2.00-00 PREFIXGOOD Delay: 51ms (since first trigger) 810142ms (since end of last calculation) Trigger Prefix: 172.16.0.100/32 Trigger LSPs: 1 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 15:07:17.167 PRC 0 3 1 R3.00-00 PREFIXGOOD Delay: 50ms (since first trigger) 6806ms (since end of last calculation) Trigger Prefix: 172.16.0.100/32 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 15:08:32.030 FSPF 0 3 1 PERIODIC Delay: 51ms (since first trigger) 74863ms (since end of last calculation) 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 15:13:03.179 PRC 0 3 1 R2.00-00 PREFIXBAD Delay: 96ms (since first trigger) 271149ms (since end of last calculation) Trigger Prefix: 10.0.26.0/24 Trigger LSPs: 1 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 15:13:03.380 PRC 0 3 1 R2.00-00 PREFIXBAD Delay: 97ms (since first trigger) 201ms (since end of last calculation) Trigger Prefix: 6.6.6.6/32 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 15:18:43.748 PRC 0 3 1 R2.00-00 PREFIXBAD Delay: 50ms (since first trigger) 340368ms (since end of last calculation) Trigger Prefix: 172.16.0.100/32 Trigger LSPs: 1 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 15:23:32.081 FSPF 0 3 1 PERIODIC Delay: 51ms (since first trigger) 288333ms (since end of last calculation) 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 15:24:26.057 PRC 0 3 1 R2.00-00 PREFIXGOOD Delay: 51ms (since first trigger) 53976ms (since end of last calculation) Trigger Prefix: 172.16.0.100/32 Trigger LSPs: 1 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 15:24:31.204 PRC 0 3 1 R2.00-00 PREFIXGOOD Delay: 53ms (since first trigger) 5147ms (since end of last calculation) Trigger Prefix: 10.0.26.0/24 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 15:24:31.604 PRC 0 3 1 R2.00-00 PREFIXGOOD Delay: 52ms (since first trigger) 400ms (since end of last calculation) Trigger Prefix: 6.6.6.6/32 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 15:30:08.940 FSPF 36 3 2 CONFIG Delay: 50ms (since first trigger) 337336ms (since end of last calculation) 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: 36 0 Route Update: 0 0 ----- ----- Full Calculation: 36 0 15:30:10.452 PRC 0 3 1 R2.00-00 PREFIXBAD Delay: 50ms (since first trigger) 1476ms (since end of last calculation) Trigger Prefix: 1.1.1.1/32 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 RP/0/RP0/CPU0:R2#show isis lsp-log Sun Oct 4 15:35:03.694 UTC IS-IS 1 Level 2 LSP Generation Log Capacity: 50, Size: 14 When Count Interface Triggers --- Sun Oct 4 2026 --- 14:52:57.253 1 CONFIG 14:53:05.177 1 Lo0 IPUP 14:53:09.177 1 LSPDBOL 14:53:11.377 2 Gi0/0/0/2 IPUP 14:53:20.826 1 Gi0/0/0/1 SABIT 14:53:24.027 1 IPIA 15:07:10.310 1 IPIA 15:13:03.081 1 CONFIG 15:13:03.283 1 IPIA 15:18:43.697 1 IPIA 15:24:26.006 1 IPIA 15:24:31.150 1 CONFIG 15:24:31.551 1 IPIA 15:30:10.401 1 CONFIG RP/0/RP0/CPU0:R2#show isis statistics Sun Oct 4 15:35:03.866 UTC IS-IS 1 Packet and Event Statistics Dropped Dropped Total PDUs Sent Received On Input By Update Hello: 871 870 0 - CSNP: 3 3 - 0 PSNP: 23 33 0 0 LSP: 35 23 0 0 LSP Retransmissions: 0 LSP Checksum Errors: 0 IS-IS Update Queue: 0/3500 Total Traffic: 59 High Water Mark: 3 HWM Set: Sun 2026 Oct 04 15:24:31.684 UTC Total Drops: 0 IS-IS Input Queue: 0/4200 Total Traffic: 931 High Water Mark: 3 Total Drops: 0 Level-2 LSPs sourced (new/refresh): 16/0 Route Calculations IPv4 Unicast Total: 21 Full SPF Calculations: 10 Periodic: 2 Partial Route Calc: 11 Next Hop Calculations: 0 RP/0/RP0/CPU0:R2#show route isis Sun Oct 4 15:35:03.983 UTC i L2 3.3.3.3/32 [115/20] via 10.0.25.5, 00:41:32, GigabitEthernet0/0/0/1 i L2 4.4.4.4/32 [115/30] via 10.0.25.5, 00:41:23, GigabitEthernet0/0/0/1 i L2 5.5.5.5/32 [115/10] via 10.0.25.5, 00:41:42, GigabitEthernet0/0/0/1 i L2 7.7.7.7/32 [115/30] via 10.0.25.5, 00:41:23, GigabitEthernet0/0/0/1 i L2 10.0.34.0/24 [115/30] via 10.0.25.5, 00:41:32, GigabitEthernet0/0/0/1 i L2 10.0.35.0/24 [115/20] via 10.0.25.5, 00:41:42, GigabitEthernet0/0/0/1 i L2 10.0.37.0/24 [115/30] via 10.0.25.5, 00:41:32, GigabitEthernet0/0/0/1 i L2 172.16.0.100/32 [115/30] via 10.0.25.5, 00:04:55, GigabitEthernet0/0/0/1 RP/0/RP0/CPU0:R2#show isis route Sun Oct 4 15:35:04.181 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 C 2.2.2.2/32 is directly connected, Loopback0 L2 3.3.3.3/32 [20/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 L2 4.4.4.4/32 [30/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 L2 5.5.5.5/32 [10/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 L2 7.7.7.7/32 [30/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 C 10.0.12.0/24 is directly connected, GigabitEthernet0/0/0/0 C 10.0.25.0/24 is directly connected, GigabitEthernet0/0/0/1 C 10.0.26.0/24 is directly connected, GigabitEthernet0/0/0/2 L2 10.0.34.0/24 [30/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 L2 10.0.35.0/24 [20/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 L2 10.0.37.0/24 [30/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 L2 172.16.0.100/32 [30/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0 RP/0/RP0/CPU0:R2#show running-config router isis Sun Oct 4 15:35:04.388 UTC router isis 1 is-type level-2-only net 49.0001.0020.0200.2002.00 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 10 ! ! interface GigabitEthernet0/0/0/2 point-to-point address-family ipv4 unicast metric 10 ! ! ! RP/0/RP0/CPU0:R2#show isis database level 1 Sun Oct 4 15:35:05.382 UTC % No matches for supplied arguments. RP/0/RP0/CPU0:R2#show isis database level 2 Sun Oct 4 15:35:05.632 UTC IS-IS 1 (Level-2) Link State Database LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL R2.00-00 * 0x0000000f 0x2c95 904 /* 0/0/0 R3.00-00 0x0000000b 0x572a 1190 /1200 0/0/0 R5.00-00 0x00000009 0x1799 1026 /1200 0/0/0 Total Level-2 LSP count: 3 Local Level-2 LSP count: 1 RP/0/RP0/CPU0:R2#show isis topology level 1 Sun Oct 4 15:35:05.794 UTC % No IS-IS instances are configured to run IPv4 Unicast RP/0/RP0/CPU0:R2#show isis topology level 2 Sun Oct 4 15:35:05.929 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 running-config router static Sun Oct 4 15:35:06.192 UTC router static vrf Mgmt address-family ipv4 unicast 0.0.0.0/0 10.19.0.1 ! ! ! RP/0/RP0/CPU0:R2#show route 172.16.0.100/32 Sun Oct 4 15:35:07.039 UTC Routing entry for 172.16.0.100/32 Known via "isis 1", distance 115, metric 30, type level-2 Installed Oct 4 15:30:08.886 for 00:04:58 Routing Descriptor Blocks 10.0.25.5, from 3.3.3.3, via GigabitEthernet0/0/0/1 Route metric is 30 No advertising protos. RP/0/RP0/CPU0:R2#show route 172.16.0.100/32 detail Sun Oct 4 15:35:07.235 UTC Routing entry for 172.16.0.100/32 Known via "isis 1", distance 115, metric 30, type level-2 Installed Oct 4 15:30:08.886 for 00:04:58 Routing Descriptor Blocks 10.0.25.5, from 3.3.3.3, via GigabitEthernet0/0/0/1 Route metric is 30 Label: None Tunnel ID: None Binding Label: None Extended communities count: 0 Path id:1 Path ref count:0 NHID: 0x4 (Ref: 9) Route version is 0xb (11) No local label IP Precedence: Not Set QoS Group ID: Not Set Flow-tag: Not Set Fwd-class: Not Set Route Priority: RIB_PRIORITY_NON_RECURSIVE_MEDIUM (9) SVD Type RIB_SVD_TYPE_LOCAL Download Priority 1, Download Version 35 No advertising protos. RP/0/RP0/CPU0:R2#show cef 172.16.0.100/32 Sun Oct 4 15:35:07.411 UTC 172.16.0.100/32, version 35, internal 0x1000001 0x10 (ptr 0x88400840) [1], 0x400 (0x8988ce18), 0x0 (0x0) Updated Oct 4 15:30:08.891 local adjacency to GigabitEthernet0/0/0/1 Prefix Len 32, traffic index 0, precedence n/a, priority 1 gateway array (0x89725cf0) reference count 8, flags 0x0, source rib (7), 0 backups [9 type 3 flags 0x8401 (0x897c8e58) ext 0x0 (0x0)] LW-LDI[type=3, refc=1, ptr=0x8988ce18, sh-ldi=0x897c8e58] gateway array update type-time 1 Oct 4 14:53:21.627 LDI Update time Oct 4 14:53:21.627 LW-LDI-TS Oct 4 15:30:08.891 via 10.0.25.5/32, GigabitEthernet0/0/0/1, 5 dependencies, weight 0, class 0 [flags 0x0] path-idx 0 NHID 0x4 [0x8a880500 0x0] next hop 10.0.25.5/32 local adjacency Load distribution: 0 (refcount 9) Hash OK Interface Address 0 Y GigabitEthernet0/0/0/1 10.0.25.5 RP/0/RP0/CPU0:R2#show isis route 172.16.0.100/32 Sun Oct 4 15:35:07.692 UTC L2 172.16.0.100/32 [30/115] via 10.0.25.5, GigabitEthernet0/0/0/1, R5, Weight: 0