Convert CCNP TSHOOT Troubleshooting Lab 1 from GNS3 to Containerlab

containerlab/labs/troubleshooting/cisco/ccnp-tshoot-troubleshooting-1/README.md

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+# CCNP TSHOOT Troubleshooting 1
+
+This is a containerlab implementation of the CCNP TSHOOT Troubleshooting Lab 1, converted from the original GNS3 topology.
+
+## Overview
+
+This lab provides a pre-configured troubleshooting scenario based on the official Cisco CCNP TSHOOT topology. The network is intentionally "broken" to help you develop troubleshooting skills.
+
+## Topology
+
+The lab consists of:
+- **5 Routers**: R1, R2, R3, R4, ISP
+- **4 Switches**: DSW1 (L3), DSW2 (L3), ASW1 (L2), ASW2 (L2)
+- **4 Endpoints**: Client1, Client2, FTPServer, WebServer
+
+### Network Segments
+
+- **Core Network**: OSPF routing between R1-R2-R3-R4
+- **BGP AS 65001**: R1 connected to ISP
+- **BGP AS 65002**: ISP providing external connectivity
+- **Distribution Layer**: EIGRP between R4 and DSW1/DSW2
+- **Access Layer**: VLANs 10, 20, and 200
+
+### VLANs
+
+- **VLAN 10**: Client network (10.2.1.0/24)
+- **VLAN 20**: FTP server network (10.2.2.0/24)
+- **VLAN 200**: Management network (192.168.1.128/27)
+
+## Deployment
+
+To deploy this lab:
+
+```bash
+cd containerlab/labs/troubleshooting/cisco/ccnp-tshoot-troubleshooting-1
+sudo containerlab deploy -t ccnp-tshoot-troubleshooting-1.clab.yml
+```
+
+To destroy the lab:
+
+```bash
+sudo containerlab destroy -t ccnp-tshoot-troubleshooting-1.clab.yml
+```
+
+## Troubleshooting Tickets
+
+### Important Note
+**Do not use `show run`!** This will spoil the troubleshooting experience. Use appropriate `show` and `debug` commands to develop your troubleshooting skills.
+
+### Ticket #1: Client1 Connectivity
+One of the users was working on Client1 but is complaining about no connectivity. A message on the Windows taskbar stated "no network connectivity". A colleague mentioned this might be related to DHCP.
+
+**Investigation areas:**
+- DHCP configuration
+- VLAN assignments
+- Interface status
+
+### Ticket #2: FTP Server Access
+After fixing Client1, users from VLAN 10 are unable to connect to the FTP server.
+
+**Investigation areas:**
+- Inter-VLAN routing
+- EIGRP configuration
+- Access lists
+
+### Ticket #3: WebServer Connectivity
+Users can connect to the FTP server but cannot reach the external webserver.
+
+**Investigation areas:**
+- BGP configuration
+- NAT configuration
+- Default routing
+
+### Ticket #4: IPv6 Connectivity
+The IPv6 team reports they cannot reach 2026::12:/122 from DSW1 or DSW2.
+
+**Investigation areas:**
+- IPv6 routing (OSPFv3, RIPng)
+- IPv6 addressing
+- Tunnel configuration
+
+## Key Technologies
+
+- **OSPF**: Multi-area design with NSSA
+- **EIGRP**: Redistribution with OSPF
+- **BGP**: eBGP between AS 65001 and AS 65002
+- **HSRP**: First Hop Redundancy Protocol
+- **Port-channels**: EtherChannel between switches
+- **VLANs**: Multiple VLANs with inter-VLAN routing
+- **IPv6**: OSPFv3, RIPng, and IPv6 tunnels
+- **NAT**: Network Address Translation on R1
+- **DHCP**: Dynamic host configuration
+
+## Differences from GNS3 Topology
+
+This Containerlab implementation has the following changes from the original GNS3 topology:
+
+1. **Frame Relay replaced**: Frame Relay interfaces (Serial0/0.12, Serial0/0.23, Serial0/0.34) replaced with point-to-point Ethernet links
+2. **Interface naming**: 
+   - GNS3: Serial/FastEthernet interfaces
+   - Containerlab: Ethernet interfaces (Ethernet0/0, Ethernet0/1, etc.)
+3. **No shutdown**: All interfaces include `no shutdown` command (required in Containerlab)
+4. **Removed obsolete commands**: Commands specific to GNS3/Dynamips removed
+
+## Management Access
+
+After deployment, devices are accessible via:
+- **CLI**: `sudo containerlab exec -t ccnp-tshoot-troubleshooting-1.clab.yml -n <device-name> -- telnet`
+- **Management network**: 10.65.98.0/24
+  - R1: 10.65.98.11
+  - R2: 10.65.98.12
+  - R3: 10.65.98.13
+  - R4: 10.65.98.14
+  - ISP: 10.65.98.15
+  - DSW1: 10.65.98.21
+  - DSW2: 10.65.98.22
+  - ASW1: 10.65.98.31
+  - ASW2: 10.65.98.32
+  - Client1: 10.65.98.41
+  - Client2: 10.65.98.42
+  - FTPServer: 10.65.98.43
+  - WebServer: 10.65.98.44
+
+## Original Topology
+
+This lab is based on the GNS3 topology located in:
+`gns3vault-archive/Troubleshooting/ccnp-tshoot-troubleshooting-1/`
+
+## License
+
+This lab is part of the NetworkLessons.com lab collection.

containerlab/labs/troubleshooting/cisco/ccnp-tshoot-troubleshooting-1/ccnp-tshoot-troubleshooting-1.clab.yml

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+# CCNP TSHOOT Troubleshooting Lab 1
+# Converted from GNS3 topology to Containerlab
+# This is a pre-configured troubleshooting scenario
+
+name: ccnp-tshoot-troubleshooting-1
+
+mgmt:
+  network: statics
+  ipv4-subnet: 10.65.98.0/24
+
+topology:
+  kinds:
+    cisco_iol:
+      image: docker-registry.nwl.lab/cisco_iol:17.12.01
+  nodes:
+    # Routers
+    R1:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.11
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/R1/startup-config.cfg.partial
+
+    R2:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.12
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/R2/startup-config.cfg.partial
+
+    R3:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.13
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/R3/startup-config.cfg.partial
+
+    R4:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.14
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/R4/startup-config.cfg.partial
+
+    ISP:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.15
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/ISP/startup-config.cfg.partial
+
+    # Distribution Layer Switches (L3)
+    DSW1:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.21
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/DSW1/startup-config.cfg.partial
+
+    DSW2:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.22
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/DSW2/startup-config.cfg.partial
+
+    # Access Layer Switches (L2)
+    ASW1:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.31
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/ASW1/startup-config.cfg.partial
+
+    ASW2:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.32
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/ASW2/startup-config.cfg.partial
+
+    # Clients and Servers
+    Client1:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.41
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/Client1/startup-config.cfg.partial
+
+    Client2:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.42
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/Client2/startup-config.cfg.partial
+
+    FTPServer:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.43
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/FTPServer/startup-config.cfg.partial
+
+    WebServer:
+      kind: cisco_iol
+      mgmt-ipv4: 10.65.98.44
+      startup-config: ./clab-ccnp-tshoot-troubleshooting-1/WebServer/startup-config.cfg.partial
+
+  links:
+    # Core Router Links (replacing Frame Relay)
+    # R1 <-> R2 (was Serial0/0.12 frame-relay)
+    - endpoints: ["R1:Ethernet0/0", "R2:Ethernet0/0"]
+
+    # R2 <-> R3 (was Serial0/0.23 frame-relay)
+    - endpoints: ["R2:Ethernet0/1", "R3:Ethernet0/0"]
+
+    # R3 <-> R4 (was Serial0/0.34 frame-relay)
+    - endpoints: ["R3:Ethernet0/1", "R4:Ethernet0/0"]
+
+    # R1 <-> ISP (was Serial0/1)
+    - endpoints: ["R1:Ethernet0/2", "ISP:Ethernet0/0"]
+
+    # ISP <-> WebServer (was Serial0/0)
+    - endpoints: ["ISP:Ethernet0/1", "WebServer:Ethernet0/0"]
+
+    # Router to Distribution Switch Links
+    # R4 <-> DSW1 (was FastEthernet1/0 <-> FastEthernet0/0)
+    - endpoints: ["R4:Ethernet0/1", "DSW1:Ethernet0/0"]
+
+    # R4 <-> DSW2 (was FastEthernet2/0 <-> FastEthernet0/0)
+    - endpoints: ["R4:Ethernet0/2", "DSW2:Ethernet0/0"]
+
+    # Distribution Switch Links (Port-channel 3)
+    # DSW1 <-> DSW2 (was FastEthernet1/4-5 <-> FastEthernet1/4-5)
+    - endpoints: ["DSW1:Ethernet1/0", "DSW2:Ethernet1/0"]
+    - endpoints: ["DSW1:Ethernet1/1", "DSW2:Ethernet1/1"]
+
+    # Distribution to Access Switch Links (Port-channel 1)
+    # DSW1 <-> ASW1 (was FastEthernet1/2-3 <-> FastEthernet1/2-3)
+    - endpoints: ["DSW1:Ethernet1/2", "ASW1:Ethernet1/0"]
+    - endpoints: ["DSW1:Ethernet1/3", "ASW1:Ethernet1/1"]
+
+    # Distribution to Access Switch Links (Port-channel 5)
+    # DSW1 <-> ASW2 (was FastEthernet1/8-9 <-> FastEthernet1/8-9)
+    - endpoints: ["DSW1:Ethernet1/4", "ASW2:Ethernet1/0"]
+    - endpoints: ["DSW1:Ethernet1/5", "ASW2:Ethernet1/1"]
+
+    # Distribution to Access Switch Links (Port-channel 4)
+    # DSW2 <-> ASW2 (was FastEthernet1/6-7 <-> FastEthernet1/6-7)
+    - endpoints: ["DSW2:Ethernet1/2", "ASW2:Ethernet1/2"]
+    - endpoints: ["DSW2:Ethernet1/3", "ASW2:Ethernet1/3"]
+
+    # Distribution to Access Switch Links (Port-channel 2)
+    # DSW2 <-> ASW1 (was FastEthernet1/10-11 <-> FastEthernet1/10-11)
+    - endpoints: ["DSW2:Ethernet1/4", "ASW1:Ethernet1/2"]
+    - endpoints: ["DSW2:Ethernet1/5", "ASW1:Ethernet1/3"]
+
+    # Access to Client/Server Links
+    # ASW1 <-> Client1 (was FastEthernet1/5)
+    - endpoints: ["ASW1:Ethernet1/4", "Client1:Ethernet0/0"]
+
+    # ASW1 <-> FTPServer (was FastEthernet1/4)
+    - endpoints: ["ASW1:Ethernet1/5", "FTPServer:Ethernet0/0"]
+
+    # ASW2 <-> Client2 (was FastEthernet1/4)
+    - endpoints: ["ASW2:Ethernet1/4", "Client2:Ethernet0/0"]

containerlab/labs/troubleshooting/cisco/ccnp-tshoot-troubleshooting-1/clab-ccnp-tshoot-troubleshooting-1/ASW1/startup-config.cfg.partial

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+hostname ASW1
+!
+no ip domain lookup
+ip domain name lab.local
+!
+vtp mode transparent
+!
+vlan 10,20,200
+!
+interface Port-channel1
+ switchport trunk allowed vlan 1-9,11-4094
+ switchport mode trunk
+!
+interface Port-channel2
+ switchport trunk allowed vlan 1-9,11-4094
+ switchport mode trunk
+!
+interface Ethernet0/0
+ no shutdown
+ no ip address
+!
+interface Ethernet0/1
+ no shutdown
+ no ip address
+!
+interface Ethernet0/2
+ no shutdown
+ no ip address
+!
+interface Ethernet0/3
+ no shutdown
+ no ip address
+!
+interface Ethernet1/0
+ no shutdown
+ switchport trunk allowed vlan 1-9,11-4094
+ switchport mode trunk
+ channel-group 1 mode on
+!
+interface Ethernet1/1
+ no shutdown
+ switchport trunk allowed vlan 1-9,11-4094
+ switchport mode trunk
+ channel-group 1 mode on
+!
+interface Ethernet1/2
+ no shutdown
+ switchport trunk allowed vlan 1-9,11-4094
+ switchport mode trunk
+ channel-group 2 mode on
+!
+interface Ethernet1/3
+ no shutdown
+ switchport trunk allowed vlan 1-9,11-4094
+ switchport mode trunk
+ channel-group 2 mode on
+!
+interface Ethernet1/4
+ no shutdown
+ switchport access vlan 10
+ spanning-tree portfast
+!
+interface Ethernet1/5
+ no shutdown
+ switchport access vlan 200
+ spanning-tree portfast
+!
+interface Ethernet1/6
+ no shutdown
+!
+interface Ethernet1/7
+ no shutdown
+!
+interface Ethernet1/8
+ no shutdown
+!
+interface Ethernet1/9
+ no shutdown
+!
+interface Ethernet1/10
+ no shutdown
+!
+interface Ethernet1/11
+ no shutdown
+!
+interface Ethernet1/12
+ no shutdown
+!
+interface Ethernet1/13
+ no shutdown
+!
+interface Ethernet1/14
+ no shutdown
+!
+interface Ethernet1/15
+ no shutdown
+!
+interface Vlan1
+ no ip address
+ shutdown
+!
+interface Vlan200
+ ip address 192.168.1.131 255.255.255.224
+!
+line con 0
+ exec-timeout 0 0
+ privilege level 15
+ logging synchronous
+line vty 0 4
+ login
+!
+end