14. Troubleshooting

Stuart Fordham¹

(1)

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 100.1.1.3 ?

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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