© Stuart Fordham 2021
S. FordhamLearning SD-WAN with Cisco https://doi.org/10.1007/978-1-4842-7347-0_14

14. Troubleshooting

Stuart Fordham1  
Bedfordshire, UK

This chapter is a collection of basic troubleshooting steps, as well as looking at some of the issues I came across while writing this book.

Basic Troubleshooting Techniques


Ping is a great way to confirm basic connectivity. The gotcha is that when pinging, we must specify the VPN to use:
vManage01# ping ?
Possible completions:
  count      Number of ping packets
  fragment   do(prohibit fragmentation, even local one),         dont(do not set DF flag)
  rapid      Rapid ping
  size       Size of packets, in bytes
  source     Source interface or IP address
  vpn        VPN ID
  wait       Time ...

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