Cannot ping an interface

[Grant73]

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Hello!  I have a home lab, and I can ping the internal interface on a small router, but I cannot reach the internal port, thus no traffic is passing through to the firewall.  I have the correct routes, and I am debugging ping, and I see no messages.  I can't ping the external interface of the router from any device, not even the next hop device. I've checked routes, and all is good. What am I doing wrong?

[Flavio Miranda]

@Grant73 

 Not easy to help without seeing any logs or configuration. I can guess and advise you to check IP address and mask. If you can not ping the router's interface from next hope, this is not a routing problem. 

Either you have wrong IP address and mask, or you have access list blocking. 

[bitguy]

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[Joseph W. Doherty]

Not totally clear, to me, what's happening, or perhaps what's not happening.  However, possibly a routing issue is caused by hosts not configured with a, or correct, gateway and router not supporting proxy.  I.e. a host can ping another IP on a shared subnet but not beyond that shared subnet.

[Richard Burts]

As already suggested it would help us give better advice if we could see at least partial configuration and/or some log messages. In addition I would ask that the OP post the output of show ip interface brief, show arp, and details of source and destination of the attempted ping.

[dheyaa]

do you have any logs