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ARP, PING, and TRACERT.

What are these commands used for? When would you use them and what switches come with them?
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Bjerky
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Bjerky
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TooKoolKrisCommented:
ARP is used to gather hardware addresses of local hosts and your default gateway. It resolves IP addresses into MAC addresses and puts them into a cache. When you try to communicate with a machine that doesn't resolve on the local subnet it will ARP for the gateway address and send the packet to the router to find where it should go. ARP /? at a DOS prompt will give you the switches.

PING is used to verify connections between hosts by sending ICMP echo packets to the specified address. It basicly used to see if a machine or anything with an IP is awake or online on the network. PING /? at a DOS promt for the switches.

TRACERT is a reporting utility that sends ICMP echo requests to an IP address and reports ICMP errors that are returned. It also produces a report that list all of the routers crossed in the process. TRACERT /? for switches!
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BjerkyAuthor Commented:
Thanks!
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