Network is unreachable
Symptom
User receives a "network is unreachable" message on sending a ping request.
Cause
The ping packet did not get sent, because the switch cannot find an interface with a route that leads to the destination for one of the following reasons:
A configuration error, such as an interface having an incorrect IP address or subnet defined.
DHCP拥有failed to assign an address at all.
The user meant to ping out the management vrf, but forgot to add
多联机管理ping命令。
行动
Adjust the switch configuration to ensure that a route to the destination network exists.