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Sonic-Containerlab-Troubleshooting

danhoutz
May 5th, 2025
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  1. - Fresh Install of Debian 12.10 on Dell R620
  2. - install curl (apt install curl)
  3. - install sudo (apt install sudo)
  4. - Verify Virtualiaztion is enabled
  5. dhoutz@soniclab01:~/clab-sonic$ sudo kvm-ok
  6. INFO: /dev/kvm exists
  7. KVM acceleration can be used
  8. - Install containerlab using install script
  9. - curl -sL https://containerlab.dev/setup | sudo -E bash -s "all"
  10. - newgrp docker
  11. - logout and back in
  12. - Install vrnetlab and build sonic image
  13. - git clone https://github.com/hellt/vrnetlab/
  14. - scp sonic-vs-202405.img.gz soniclab01:/home/dhoutz/vrnetlab/sonic
  15. - mv scp sonic-vs-202405.img.gz scp sonic-vs-202405.qcow2
  16. - make
  17. - Verify Sonic image built and added
  18. - docker images
  19. REPOSITORY TAG IMAGE ID CREATED SIZE
  20. vrnetlab/sonic_sonic-vs 202405 bd5f3939cece 3 minutes ago 2.1GB
  21. - Create clab topology following ac2 git repo:
  22. $ cat vm.clab.yml
  23. name: vm
  24.  
  25. topology:
  26. nodes:
  27. sonic:
  28. kind: sonic-vm
  29. image: vrnetlab/sonic_sonic-vs:202405
  30. srl:
  31. kind: nokia_srlinux
  32. image: ghcr.io/nokia/srlinux
  33.  
  34. links:
  35. - endpoints: ["sonic:eth1", "srl:e1-1"]
  36.  
  37. - Start lab
  38. - containerlab deploy
  39.  
  40. dhoutz@soniclab01:~/clab-sonic$ containerlab deploy
  41. 12:28:12 INFO Containerlab started version=0.68.0
  42. 12:28:12 INFO Parsing & checking topology file=vm.clab.yml
  43. 12:28:12 INFO Creating docker network name=clab IPv4 subnet=172.20.20.0/24 IPv6 subnet=3fff:172:20:20::/64 MTU=1500
  44. 12:28:13 INFO Pulling ghcr.io/nokia/srlinux:latest Docker image
  45.  
  46. 12:29:39 INFO Done pulling ghcr.io/nokia/srlinux:latest
  47. 12:29:40 INFO Creating lab directory path=/home/dhoutz/clab-sonic/clab-vm
  48. 12:29:41 INFO Creating container name=sonic
  49. 12:29:41 INFO Creating container name=srl
  50. 12:29:48 INFO Running postdeploy actions kind=nokia_srlinux node=srl
  51. 12:29:48 INFO Created link: sonic:eth1 ▪┄┄▪ srl:e1-1
  52. 12:30:18 INFO Adding host entries path=/etc/hosts
  53. 12:30:19 INFO Adding SSH config for nodes path=/etc/ssh/ssh_config.d/clab-vm.conf
  54. ╭───────────────┬────────────────────────────────┬────────────────────┬───────────────────╮
  55. │ Name │ Kind/Image │ State │ IPv4/6 Address │
  56. ├───────────────┼────────────────────────────────┼────────────────────┼───────────────────┤
  57. │ clab-vm-sonic │ sonic-vm │ running │ 172.20.20.2 │
  58. │ │ vrnetlab/sonic_sonic-vs:202405 │ (health: starting) │ 3fff:172:20:20::2 │
  59. ├───────────────┼────────────────────────────────┼────────────────────┼───────────────────┤
  60. │ clab-vm-srl │ nokia_srlinux │ running │ 172.20.20.3 │
  61. │ │ ghcr.io/nokia/srlinux │ │ 3fff:172:20:20::3 │
  62. ╰───────────────┴────────────────────────────────┴────────────────────┴───────────────────╯
  63.  
  64. - check processes in container
  65. dhoutz@soniclab01:~/clab-sonic$ docker exec -it clab-vm-sonic bash
  66. root@sonic:/# ps ax
  67. PID TTY STAT TIME COMMAND
  68. 1 pts/0 Ss+ 0:00 python3 /launch.py --username admin --password admin --hostname sonic --connection-mode
  69. 13 pts/0 Sl+ 0:20 qemu-system-x86_64 -enable-kvm -display none -machine pc -monitor tcp:0.0.0.0:4000,serv
  70. 62 pts/1 Ss 0:00 bash
  71. 68 pts/1 R+ 0:00 ps ax
  72.  
  73. - Check container logs
  74.  
  75. dhoutz@soniclab01:~/clab-sonic$ docker logs -f clab-vm-sonic
  76. 2025-05-05 17:29:48,283: vrnetlab DEBUG class: SONiC_vm, disk_image: /sonic-vs-202405.qcow2, overlay: /sonic-vs-202405-overlay.qcow2
  77. 2025-05-05 17:29:48,283: vrnetlab DEBUG Creating overlay disk image
  78. 2025-05-05 17:29:48,301: vrnetlab DEBUG Starting vrnetlab SONiC
  79. 2025-05-05 17:29:48,301: vrnetlab DEBUG VMs: [<__main__.SONiC_vm object at 0x7f57bdb57950>]
  80. 2025-05-05 17:29:48,301: vrnetlab DEBUG VM not started; starting!
  81. 2025-05-05 17:29:48,301: vrnetlab INFO ----------------START ENVIRONMENT VARIABLES-----------------
  82. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_INTFS: 1
  83. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_NODE_GROUP:
  84. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_NODE_KIND: sonic-vm
  85. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_NODE_LAB_DIR: /home/dhoutz/clab-sonic/clab-vm/sonic
  86. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_NODE_LONGNAME: clab-vm-sonic
  87. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_NODE_NAME: sonic
  88. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_NODE_TYPE:
  89. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_OWNER: dhoutz
  90. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CLAB_TOPO_FILE: /home/dhoutz/clab-sonic/vm.clab.yml
  91. 2025-05-05 17:29:48,301: vrnetlab INFO CLAB_LABEL_CONTAINERLAB: vm
  92. 2025-05-05 17:29:48,301: vrnetlab INFO CONNECTION_MODE: tc
  93. 2025-05-05 17:29:48,302: vrnetlab INFO DEBIAN_FRONTEND: noninteractive
  94. 2025-05-05 17:29:48,302: vrnetlab INFO DOCKER_NET_V4_ADDR: 172.20.20.0/24
  95. 2025-05-05 17:29:48,302: vrnetlab INFO DOCKER_NET_V6_ADDR: 3fff:172:20:20::/64
  96. 2025-05-05 17:29:48,302: vrnetlab INFO HOME: /root
  97. 2025-05-05 17:29:48,302: vrnetlab INFO HOSTNAME: sonic
  98. 2025-05-05 17:29:48,302: vrnetlab INFO LC_CTYPE: C.UTF-8
  99. 2025-05-05 17:29:48,302: vrnetlab INFO NO_PROXY: localhost,127.0.0.1,::1,*.local,172.20.20.0/24,3fff:172:20:20::/64,sonic,srl
  100. 2025-05-05 17:29:48,302: vrnetlab INFO PASSWORD: admin
  101. 2025-05-05 17:29:48,302: vrnetlab INFO PATH: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
  102. 2025-05-05 17:29:48,302: vrnetlab INFO TERM: xterm
  103. 2025-05-05 17:29:48,302: vrnetlab INFO USERNAME: admin
  104. 2025-05-05 17:29:48,302: vrnetlab INFO no_proxy: localhost,127.0.0.1,::1,*.local,172.20.20.0/24,3fff:172:20:20::/64,sonic,srl
  105. 2025-05-05 17:29:48,302: vrnetlab INFO -----------------END ENVIRONMENT VARIABLES------------------
  106. 2025-05-05 17:29:48,302: vrnetlab INFO Launching SONiC_vm with 1 SMP/VCPU and 4096 M of RAM
  107. 2025-05-05 17:29:48,302: vrnetlab INFO Scrapli: Disabled
  108. 2025-05-05 17:29:48,302: vrnetlab INFO Transparent mgmt interface: Disabled
  109. 2025-05-05 17:29:48,302: vrnetlab DEBUG number of provisioned data plane interfaces is 1
  110. 2025-05-05 17:29:48,302: vrnetlab DEBUG waiting for provisioned interfaces to appear...
  111. 2025-05-05 17:29:53,303: vrnetlab DEBUG highest allocated interface id determined to be: 1...
  112. 2025-05-05 17:29:53,304: vrnetlab DEBUG interfaces provisioned, continuing...
  113. 2025-05-05 17:29:53,305: vrnetlab DEBUG qemu cmd: qemu-system-x86_64 -enable-kvm -display none -machine pc -monitor tcp:0.0.0.0:4000,server,nowait -serial telnet:0.0.0.0:5000,server,nowait -m 4096 -cpu host -smp 1 -drive if=ide,file=/sonic-vs-202405-overlay.qcow2 -smp 2 -device pci-bridge,chassis_nr=1,id=pci.1 -device pci-bridge,chassis_nr=2,id=pci.2 -device pci-bridge,chassis_nr=3,id=pci.3 -device pci-bridge,chassis_nr=4,id=pci.4 -device virtio-net-pci,netdev=p00,mac=0C:00:22:d8:b4:00 -netdev user,id=p00,net=10.0.0.0/24,host=10.0.0.2,dns=10.0.0.3,dhcpstart=10.0.0.15,hostfwd=tcp:0.0.0.0:22-10.0.0.15:22,hostfwd=udp:0.0.0.0:161-10.0.0.15:161,hostfwd=tcp:0.0.0.0:80-10.0.0.15:80,hostfwd=tcp:0.0.0.0:443-10.0.0.15:443,hostfwd=tcp:0.0.0.0:830-10.0.0.15:830,hostfwd=tcp:0.0.0.0:6030-10.0.0.15:6030,hostfwd=tcp:0.0.0.0:8080-10.0.0.15:8080,hostfwd=tcp:0.0.0.0:9339-10.0.0.15:9339,hostfwd=tcp:0.0.0.0:32767-10.0.0.15:32767,hostfwd=tcp:0.0.0.0:57400-10.0.0.15:57400,tftp=/tftpboot -device virtio-net-pci,netdev=p01,mac=0C:00:2f:f3:0e:01,bus=pci.1,addr=0x2 -netdev tap,id=p01,ifname=tap1,script=/etc/tc-tap-ifup,downscript=no
  114.  
  115.  
  116. Can ping but can't ssh:
  117. dhoutz@soniclab01:~/clab-sonic$ ping clab-vm-sonic -c 1
  118. PING clab-vm-sonic(clab-vm-sonic (3fff:172:20:20::2)) 56 data bytes
  119. 64 bytes from clab-vm-sonic (3fff:172:20:20::2): icmp_seq=1 ttl=64 time=0.104 ms
  120.  
  121. --- clab-vm-sonic ping statistics ---
  122. 1 packets transmitted, 1 received, 0% packet loss, time 0ms
  123. rtt min/avg/max/mdev = 0.104/0.104/0.104/0.000 ms
  124. dhoutz@soniclab01:~/clab-sonic$
  125. dhoutz@soniclab01:~/clab-sonic$
  126. dhoutz@soniclab01:~/clab-sonic$ ssh admin@clab-vm-sonic
  127. kex_exchange_identification: read: Connection reset by peer
  128. Connection reset by 172.20.20.2 port 22
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