situation is this: three computer A, B, C,
A can ping B, B can ping C, but A can not directly ping C
When A ping C tip "unable to access the target host
"Ask what is this?

CodePudding user response:

Sometimes one day

CodePudding user response:

All on a switch?

CodePudding user response:

I don't know now have the problem?

CodePudding user response:

Case description is not clear, unable to judge,

CodePudding user response:

Did the host firewall off

CodePudding user response:

A. no routing?

CodePudding user response:

If, on the same exchange switches are in common or 2 switching exchange, if different switches for passing by the specified, that is not to do the routing table,
If, on the same switch view B and C machine configuration differences, such as firewall configuration,

CodePudding user response:

Simple description, we can have many kinds of conjecture,
After had better draw the topology,

CodePudding user response:

The problem of firewall