Troubleshooting guide

3. Troubleshooting Functional Failures During Operation
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If there is no problem, go to No. 2.
2 Check whether the ip verify source
configuration command is set for the target port.
If ip verify source is set, packets from devices not in the
binding information are discarded. If there is no problem,
go to No. 3.
If
ip verify source is not set, go to No. 4.
3 Execute the
show ip dhcp snooping binding
command, and make sure that the binding
information is present for the device on which
communication is not possible.
If the binding information is not present and the target
device has a fixed IP address, set the
ip source binding
configuration command. If the binding information is not
present and the target device obtains an IP address by
DHCP, obtain an IP address again.
4 Other cases If any of the above actions do not resolve your problem,
check other functionality used in the device according to
this manual.
No. Items to check Action