Here's 2 neat tips that I have found very handy and want to pass it along to all of you:
Tip #1:
If you ever wonder what other IP addresses are listening on your network, you can ping the entire subnet by using the broadcast address. Like this:
Ping 192.168.0.255
All listening hosts will reply from that subnet. You can take it a step further and ping all hosts on all connected subnets by pinging 255.255.255.255
Perhaps you won't automatically see the value in this right now, but I guarantee you it will help you at some point.
Tip#2
You can turn your router into a simple sniffer by typing the hidden IOS command "Show IP Packet Dump". This will immediately beging dumping all IP packets to the console screen. WARNING: This command will KILL a busy router. The console output will consume all router resources if its is passing a lot of IP traffic.
Tip #1:
If you ever wonder what other IP addresses are listening on your network, you can ping the entire subnet by using the broadcast address. Like this:
Ping 192.168.0.255
All listening hosts will reply from that subnet. You can take it a step further and ping all hosts on all connected subnets by pinging 255.255.255.255
Perhaps you won't automatically see the value in this right now, but I guarantee you it will help you at some point.
Tip#2
You can turn your router into a simple sniffer by typing the hidden IOS command "Show IP Packet Dump". This will immediately beging dumping all IP packets to the console screen. WARNING: This command will KILL a busy router. The console output will consume all router resources if its is passing a lot of IP traffic.